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Audio Signals patents



      

This page is updated frequently with new Audio Signals-related patent applications.




Date/App# patent app List of recent Audio Signals-related patents
02/04/16
20160035361 
 Harmonic transposition in an audio coding method and system patent thumbnailHarmonic transposition in an audio coding method and system
The present invention relates to transposing signals in time and/or frequency and in particular to coding of audio signals. More particular, the present invention relates to high frequency reconstruction (hfr) methods including a frequency domain harmonic transposer.
Dolby International Ab


02/04/16
20160034247 
 Extending content sources patent thumbnailExtending content sources
Methods and systems for extending content sources associated with a social application. The implementations may include sampling and quantifying audio signals by a computing device.
Alibaba Group Holding Limited


01/28/16
20160029143 
 Acoustic beacon for broadcasting the orientation of a device patent thumbnailAcoustic beacon for broadcasting the orientation of a device
A method for determining the orientation of a loudspeaker relative to a listening device is described. The method simultaneously drives each transducer to emit beam patterns corresponding to distinct orthogonal audio signals.
Apple Inc.


01/28/16
20160029120 
 Robust acoustic echo cancellation for loosely paired devices based on semi-blind multichannel demixing patent thumbnailRobust acoustic echo cancellation for loosely paired devices based on semi-blind multichannel demixing
A method for echo cancellation in multichannel audio signals includes receiving a plurality of time-domain signals, including multichannel audio signals and at least one reference signal, transforming the time-domain signals to k under-sampled complex-valued subband signals using an analysis filter bank, and performing, for each of the k under-sampled complex-value subband signals, linear echo cancellation of the reference signal from each channel using an acoustic echo canceller. A probability of acoustic echo dominance is produced using a single-double talk estimator, and a semi-blind multichannel source separation is performed based on the probability and independent component analysis (“ica”) to decompose the audio signals into a near-end source signal and a residual echoes using subband semi-blind source separation.
Conexant Systems, Inc.


01/28/16
20160029118 
 Simultaneous wired and wireless connection for demonstration product patent thumbnailSimultaneous wired and wireless connection for demonstration product
A demonstration system includes a demonstration processor including a wired audio output, a data interface, and an anchor point. A portable audio device includes a wireless interface for receiving first audio signals, a wired audio input for receiving second audio signals, a mixing circuit outputting third audio signals including audio content from both the first and second audio signals, an output audio transducer for receiving the third audio signals from the mixing circuit and outputting them as audible signals, a user interface, a data interface, and a programmable processor in communication with the user interface and the data interface.
Bose Corporation


01/28/16
20160028994 
 System and  surgical telementoring patent thumbnailSystem and surgical telementoring
Apparatus and method for receiving and transmitting streaming live imagery data and audio signals in real time is provided. Imagery data and audio signals are acquired through a telestreamer input device and streamed to one or more remote recipients, allowing remote operators to electronically collaborate by telestrating, annotating, and sketching image overlays.
Skysurgery Llc


01/28/16
20160028863 
 Mobile wireless communications device with improved broadband antenna impedance matching patent thumbnailMobile wireless communications device with improved broadband antenna impedance matching
A mobile electronic device is provided. In one aspect, the mobile electronic device comprises a chassis including a ground plane; a processor carried by the chassis; a frequency tunable antenna carried by the chassis and fed by an inductor; a communications interface carried by the chassis and operative with the processor for receiving and transmitting rf signals via the frequency tunable antenna; audio circuitry carried by the chassis and operative with the communications interface and processor; an audio transducer having a coil in proximity to the frequency tunable antenna for at least one of receiving and transmitting audio signals from and to the audio circuitry; and at least one rf choke configured for blocking rf energy from the frequency tunable antenna through the audio transducer to the ground plane and decoupling the antenna from the audio transducer to minimize any detuning of antenna impedance match and degradation in antenna gain.
Blackberry Limited


01/28/16
20160027447 
 Spatial comfort noise patent thumbnailSpatial comfort noise
A method, an apparatus, logic (e.g., executable instructions encoded in a non-transitory computer-readable medium to carry out a method), and a non-transitory computer-readable medium configured with such instructions. The method is to generate and spatially render spatial comfort noise at a receiving endpoint of a conference system, such that the comfort noise has target spectral characteristics typical of comfort noise, and at least one spatial property that at least substantially matches at least one target spatial property.
Dolby Laboratories Licensing Corporation


01/28/16
20160027335 
 Flight training image recording apparatus patent thumbnailFlight training image recording apparatus
A flight training image recording apparatus includes a housing comprising one or more cameras. The housing and/or separate cameras in a cockpit are mounted in locations to capture images of the pilot, the pilot's hands, the aircraft instrument panel and a field of view to the front of the aircraft.
Paragon Flight Training Co.


01/28/16
20160023124 
 Led lighting device and wireless speaker patent thumbnailLed lighting device and wireless speaker
The present invention provides an led lighting device and a wireless speaker system. The led lighting device includes an led power supply circuit configured to power the led lighting device; an led light source module configured to emit light, the led light source being connected to the power supply circuit; a dlna wireless communication module configured to receive and process audio signals and commands transmitted from a smart terminal, and control the led lighting device based on the commands received from the smart terminal; an audio power amplifier unit configured to receive processed audio signals from the wireless communication module; and a speaker unit configured to play audio signals received from the audio power amplifier unit, the audio amplifier unit driving the speaker unit based on the signals received from the wireless communication module..
Zhejiang Shenghui Lighting Co., Ltd


01/21/16
20160021481 

Adjusting the beam pattern of a speaker array based on the location of one or more listeners


A directivity adjustment device that maintains a constant direct-to-reverberant ratio based on the detected location of a listener in relation to the speaker array is described. The directivity adjustment device may include a distance estimator, a directivity compensator, and an array processor.
Tiskerling Dynamics Llc


01/21/16
20160021430 

Transmission of digital audio signals using an internet protocol


Described is a network system and method of use for distributing audiovisual data. The network comprises two or more audio sinks, each of the audio sinks having a corresponding audio format capability, a first source adapted to generate and transmit audiovisual data, wherein the audiovisual data includes an audio file formatted with a first audio format capability, and the at least one source being further adapted to transmit the audiovisual data to the two or more audio sinks through the network system using both an high definition multimedia interface (hdmi) and internet protocol (ip), and a first transmitter adapted to receive the transmitted audiovisual data from the first source.
Crestron Electronics, Inc.


01/21/16
20160021402 

Transmission of digital audio signals using an internet protocol


Described is a network system and method of use for distributing audiovisual data. The network comprises two or more audio sinks, each of the audio sinks having a corresponding audio format capability, a first source adapted to generate and transmit audiovisual data, wherein the audiovisual data includes an audio file formatted with a first audio format capability, and the at least one source being further adapted to transmit the audiovisual data to the two or more audio sinks through the network system using both an high definition multimedia interface (hdmi) and internet protocol (ip), and a first transmitter adapted to receive the transmitted audiovisual data from the first source.
Crestron Electronics, Inc.


01/21/16
20160021401 

Transmission of digital audio signals using an internet protocol


Described is a network system and method of use for distributing audiovisual data. The network comprises two or more audio sinks, each of the audio sinks having a corresponding audio format capability, a first source adapted to generate and transmit audiovisual data, wherein the audiovisual data includes an audio file formatted with a first audio format capability, and the at least one source being further adapted to transmit the audiovisual data to the two or more audio sinks through the network system using both an high definition multimedia interface (hdmi) and internet protocol (ip), and a first transmitter adapted to receive the transmitted audiovisual data from the first source.
Crestron Electronics, Inc.


01/21/16
20160019915 

Real-time emotion recognition from audio signals


Systems, methods, and computer-readable storage media are provided for recognizing emotion in audio signals in real-time. An audio signal is detected and a rapid audio fingerprint is computed on a user's computing device.
Microsoft Corporation


01/14/16
20160014534 

Playback device calibration


Examples described herein involve calibrating a playback device for a playback environment based on audio signals detected by a microphone of a network device as the network device moves about the playback environment. While the playback device is playing a first audio signal and the network device is moving within the playback environment from a first physical location to a second physical location, the network device may detect by a microphone of the network device, a second audio signal.
Sonos, Inc.


01/14/16
20160014452 

Digital broadcasting reception performing lean-back control


Disclosed herein are a digital broadcasting reception system and method for lean-back control. The broadcasting reception system includes an rcu configured to input a command for entering into second device control mode, a broadcasting receiver configured to enter second device control mode when a signal of a specific key is received from the rcu, connect with a second device, and send a predetermined command value of the signal received from the rcu to the second device so that the second device is controlled in accordance with a common rcu manipulation manner, a tv terminal configured to output videos and audio signals output by the broadcasting receiver, and the second device configured to operate in response to control of the broadcasting receiver according to the common rcu manipulation manner after being connected to the broadcasting receiver..
Humax Co., Ltd.


01/14/16
20160014373 

Dynamic locale based aggregation of full duplex media streams


A cloud-based video/audio conferencing system and method performs locale based aggregation of a full duplex media stream to organize multiple connections to a conference call that originate from the same physical location or a shared locale. The cloud-based video/audio conferencing system performs synchronization of the microphone and speaker audio signals of the same-locale connections.
Biba Systems, Inc.


01/14/16
20160012828 

Wind noise reduction for audio reception


Wind noise reduction is described for audio signals received in a device. In one embodiment, an audio signal is decomposed into a plurality of sub-bands, the audio signal including wind noise, a first sub-band of the plurality of sub-bands low-pass filtered, wind noise is removed from the first sub band and the first sub-band is combined with the other sub-bands after removing wind noise..

01/14/16
20160012827 

Smart speakerphone


Embodiments are directed towards a speaker/microphone system. Each microphone in a microphone array generate an audio signal based on sound in a physical space.
Cambridge Silicon Radio Limited


01/14/16
20160012814 

Motor vehicle noise management


A device and method that is configured to control the operation of a motor vehicle cabin active sound management (asm) system that uses an asm controller to control operation of one or more sound transducers that transmit audio signals in the cabin so as to alter vehicle powertrain-related sounds in the cabin, wherein the motor vehicle further comprises a mobile telephone system that is configured to receive incoming mobile telephone calls and transmit outgoing mobile telephone calls. The device can include a controller that is configured to receive from the mobile telephone system an indication that a mobile telephone call is incoming or an outgoing call is being initiated.
Bose Corporation


01/14/16
20160012714 

Emergency notification device and system


An audio warning monitoring device, system and method including an audio detector, one or more audio screens to determine if monitored sound is an alarm, a processor or logic device to potentially analyze sound data and then instruct a transmitter to send a message with the monitoring device identification and signals representing sound detected by the audio detector to a server. The computer server analyzes the message and authenticates the audio detector, looks up user data associated with the detector, and contacts a user from previously stored user data in order to notify of the alert and then relay the audio signals in an audio file.
Belkin International, Inc.


01/07/16
20160006879 

Audio capture and render device having a visual display and user interface for audio conferencing


A method in a soundfield-capturing endpoint and the capturing endpoint that comprises a microphone array capturing soundfield, and an input processor pre-processing and performing auditory scene analysis to detect local sound objects and positions, de-clutter the sound objects, and integrate with auxiliary audio signals to form a de-cluttered local auditory scene that has a measure of plausibility and perceptual continuity. The input processor also codes the resulting de-cluttered auditory scene to form coded scene data comprising mono audio and additional scene data to send to others.
Dolby Laboratories Licensing Corporation


01/07/16
20160005410 

System, apparatus, and audio fingerprinting and database searching for audio identification


Client device for audio fingerprinting and database searching for audio identification comprises processor; audio fingerprint (“fp”) generator, query fp storage, fp database storage that stores audio fp database, signature generator, searching module, and display device. Audio fp generator receives audio signals recorded by client device, and generate audio fp of the recorded audio signals that is a query fp stored in query fp storage.

01/07/16
20160005408 

Three-dimensional sound compression and over-the-air-transmission during a call


A method for encoding three dimensional audio by a wireless communication device is disclosed. The wireless communication device detects an indication of a plurality of localizable audio sources.
Qualcomm Incorporated


01/07/16
20160005406 

Methods for controlling the inter-channel coherence of upmixed audio signals


Audio characteristics of audio data corresponding to a plurality of audio channels may be determined. The audio characteristics may include spatial parameter data.
Dolby Laboratories Licensing Corporation


01/07/16
20160004499 

Single-channel or multi-channel audio control interface


A method of processing audio may include receiving, by a computing device, a plurality of real-time audio signals outputted by a plurality of microphones communicatively coupled to the computing device. The computing device may output to a display a graphical user interface (gui) that presents audio information associated with the received audio signals.
Qualcomm Incorporated


01/07/16
20160004405 

Single-channel or multi-channel audio control interface


A method of processing audio may include receiving, by a computing device, a plurality of real-time audio signals outputted by a plurality of microphones communicatively coupled to the computing device. The computing device may output to a display a graphical user interface (gui) that presents audio information associated with the received audio signals.
Qualcomm Incorporated


12/31/15
20150382093 

Noise reducing memory foam earbuds


A noise reducing memory foam earbud comprising of a speaker assembly to receive electrical signals and to convert the electrical signals into audio signals, a housing, an elongated speaker canal tube built into the end of the housing and a memory foam fitted around the elongated speaker canal tube covering the whole body of the elongated speaker canal tube wherein the audio signals generated by the speaker assembly passes through the elongated speaker canal tube without any obstruction and when the noise reducing memory foam earbud is pushed into the ear canal of a user, said memory foam conforms to the irregular shape of ear canal and the noise reducing memory foam earbud gets firmly, securely and comfortably lodged into the ear canal thus reducing ingress of ambient noise into the ear canal and preventing leakage of audio signals generated by the speaker assembly out of the ear canal.. .

12/31/15
20150381296 

Wireless transmission of sound signals to multiple discrete speakers


Systems and methods for wireless communication of sound signals to multiple discrete speakers to establish a rich wireless audio system for use in multiple environments is provided. In one embodiment of the present disclosure, a computing device receives a multiplexed audio signal containing multiple audio channels and demultiplexes the signal and transmits separate demultiplexed signals to wireless speakers, where the separate wireless signals are played by the individual wireless speakers.

12/31/15
20150380054 

Method and synchronizing audio and video signals


A method, apparatus and computer program product are provided to synchronize audio signals with video images that are replayed with a modified motion. In a method, a trajectory is determined for each audio object of an audio signal.
Nokia Corporation


12/31/15
20150379999 

System for perceived enhancement and restoration of compressed audio signals


A system for processing compressed audio includes a signal enhancer module configured to generate one or more signal treatments. The one or more signal treatments may be generated by the signal enhancer module based on analysis of the incoming audio signal.
Harman International Industries, Incorporated


12/24/15
20150373475 

Parametric wave field coding for real-time sound propagation for dynamic sources


The techniques discussed herein may facilitate real-time computation and playback of a propagated signal(s) perceived at a listener location in a three-dimensional environment in response to reception of a desired anechoic signal at a source location in the three-dimensional environment. The propagated audio realistically accounts for dynamic signal sources, dynamic listeners, and effects caused by the geometry and composition of the three-dimensional environment.
Microsoft Corporation


12/24/15
20150373468 

Proximity discovery using audio signals


Various technologies pertaining to computing data that is indicative of a location of a client computing device are described herein. A client computing device is configured to capture an audio signal, the audio signature being indicative of acoustics of surroundings of the client computing device.
Microsoft Corporation


12/24/15
20150373453 

Multi-aural mmse analysis techniques for clarifying audio signals


Techniques for processing audio signals include removing noise from the audio signals or otherwise clarifying the audio signals prior to outputting the audio signals. The disclosed techniques may employ minimum mean squared error (mmse) analyses on audio signals received from a primary microphone and at least one reference microphone, and to techniques in which the mmse analyses are used to reduce or eliminate noise from audio signals received by the primary microphone.
Cypher, Llc


12/24/15
20150372654 

System and dynamically mixing audio signals


A system and method for dynamically mixing audio signals may calculate a signal amplitude for each of two or more audio signals. The signal amplitude may be the absolute value of the audio signal.
2236008 Ontario Inc.


12/24/15
20150371654 

Echo control through hidden audio signals


A method (800) for determining an estimate (215, 261) of an echo path property of an electronic device (200, 250, 300, 600). The electronic device is configured to render a total audio signal using a loudspeaker (102), and the electronic device is configured to record an echo of the rendered audio signal using a microphone (103), thereby yielding a recorded audio signal (112).
Dolby Laboratories Licensing Corporation


12/24/15
20150371649 

Processing audio signals with adaptive time or frequency resolution


In one aspect, a method for processing an encoded audio signal is disclosed. The method includes decoding the encoded audio signal to obtain a time-domain audio signal and then analyzing the time-domain audio signal with an analysis filter bank to obtain a plurality of complex-valued subband samples in a first frequency region.
Dolby Laboratories Licensing Corporation


12/24/15
20150370435 

Displaying information related to content playing on a device


A computer-implemented method includes: detecting whether a user is watching media content; after detecting that the user is watching media, presenting on a user device a first affordance providing a first user-selectable election to receive information on entities relevant to the media content; in response to user selection of the election: sampling at the user device program information from the media content including one or more of audio signals and subtitles, and sending the program information to a server, which identifies the media content and generates one or more second user-selectable user elections for the identified media content and sends to the user device one or more second affordances providing the second user-selectable elections; displaying the second affordances on the user device; and in response to user selection of one of the second affordances, displaying on the user device information on a respective entity relevant to the media content.. .
Google Inc.


12/17/15
20150365759 

Exploiting visual information for enhancing audio signals via source separation and beamforming


A system for exploiting visual information for enhancing audio signals via source separation and beamforming is disclosed. The system may obtain visual content associated with an environment of a user, and may extract, from the visual content, metadata associated with the environment.
At&t Intellectual Property I, L.p.


12/17/15
20150364146 

Method for providing visual feedback for vowel quality


A method for obtaining visual feedback for vowel quality is disclosed. By filtering and decomposing audio signals in formants, one or more software modules and/or applications may determine the type of phoneme in an audio signal that corresponds to a vowel.

12/17/15
20150364024 

Individual activity monitoring system and method


An individual activity monitoring system comprises a microphone configured to receive sounds and convert them to audio signals, a memory configured to store recorded audio signal patterns of water flow events, and a microprocessor coupled to the microphone and configured to receive the audio signals, compare the audio signals to the recorded audio signal patterns, and recognize whether the audio signals represent a water flow event. The microprocessor is configured to reset a reset clock in response to a recognized water flow event, and being further configured to issue an alert notification in response to an absence of a subsequent water flow event after the reset clock exceeds a preprogrammed time period since a last recognized water flow event..

12/17/15
20150360798 

Real-time aircraft maintenance terminal


There is described a portable data transmission unit comprising a communications link for electrical connection to an aircraft engine to be maintained; an application coupled to a processor and configured for capturing in real time performance data indicative of a performance of the aircraft engine and making the performance data available for analysis upon landing of the aircraft, retrieving maintenance data related to the aircraft engine and performing maintenance operations on the aircraft engine; a user interface to display the maintenance data and receive input data, the maintenance operations performed on the aircraft engine directly through the data transmission unit using the input data and the maintenance data; a microphone to convert sound waves into an electric current; a speaker to convert analog audio signals into air vibrations to make audible sound; and a transceiver to transmit and receive in real time voice and data signals wirelessly across a network.. .
Pratt & Whitney Canada Corp.


12/17/15
20150360030 

Transcutaneous electrostimulator and methods for electric stimulation


A transcutaneous electrostimulation device includes an electrostimulation generator providing at an output a nerve electro stimulation signal, an electronic signal conduit conductively connected to the output of the generator, and an electrode coupler shaped to form fit an ear canal of a human ear and having at least one electrostimulation electrode. The electrode is conductively connected to the electronic signal conduit to receive the nerve electrostimulation signal and is positioned at the electrode coupler to contact tissue within an ear canal and apply the nerve electrostimulation signal to the tissue transcutaneously.
Nervana, Llc


12/10/15
20150359015 

Methods for prioritizing and routing audio signals between consumer electronic devices


Methods for prioritizing and routing audio signals between consumer electronic devices using wireless communication standards are provided. In one embodiment, a method for prioritizing and routing audio signals between consumer electronic devices includes receiving a device prioritization designation for at least two connectivity technology-enabled devices.
Gm Global Technology Operations Llc


12/10/15
20150358710 

Sound processor apparatus with dual-mode earhook interface assembly


An exemplary sound processor apparatus includes 1) an earhook interface assembly that includes a plurality of contacts and that is configured to interchangeably connect to a microphone assembly and an eas receiver assembly by way of the plurality of contacts, and 2) a control module communicatively coupled to the plurality of contacts and that is configured to selectively operate in an input mode or in an output mode. While operating in the input mode, the control module uses the plurality of contacts as input ports to receive one or more audio signals detected by the microphone assembly while the microphone assembly is connected to the earhook interface assembly.
Advanced Bionics Ag


12/10/15
20150356978 

Audio coding with gain profile extraction and transmission for speech enhancement at the decoder


The invention provides a layered audio coding format with a monophonic layer and at least one sound field layer. A plurality of audio signals is decomposed, in accordance with decomposition parameters controlling the quantitative properties of an orthogonal energy-compacting transform, into rotated audio signals.
Dolby Laboratories Licensing Corporation


12/10/15
20150356968 

Systems and methods of interpreting speech data


Method and systems are provided for interpreting speech data. A method and system for recognizing speech involving a filter module to generate a set of processed audio data based on raw audio data; a translation module to provide a set of translation results for the raw audio data; and a decision module to select the text data that represents the raw audio data.
Interdev Technologies


12/10/15
20150356077 

Auto-translation for multi user audio and video


The disclosed subject matter provides a system, computer readable storage medium, and a method providing an audio and textual transcript of a communication. A conferencing services may receive audio or audio visual signals from a plurality of different devices that receive voice communications from participants in a communication, such as a chat or teleconference.
Google Inc.


12/03/15
20150350785 

Improved wireless audio system


A wireless audio distribution system for wirelessly transmitting audio from a wireless transmitter to one or more speakers located remotely from the transmitter. A number of channels of audio are acoustically connected to a wireless transmitter unit.
Peerless Industries, Inc.


12/03/15
20150350771 

Machine and a system for automatically controlling noise reduction feature of a communication device


A machine and a system for automatically controlling noise reduction feature of a communication device are disclosed. In one embodiment herein, a receiving module is configured to receive audio signals from the communication device, and a user input.

12/03/15
20150350398 

Remote tuning and diagnostic interface for hands-free systems


Operating parameters of a hands-free audio system used with a wireless communication device in a moving vehicle are adjusted or tuned in real-time and requires only two persons: one to drive the vehicle and thus provide actual usage conditions with the hands-free audio system and one to remotely tune or adjust operating parameters to optimize far end audio quality. The system is remotely tuned by transmitting audio signals from the vehicle to the far end using a first communications link to the far end and sending adjustment commands to the vehicle from the far end via a second, data link between the far end and the vehicle.
Continental Automotive Systems, Inc.


12/03/15
20150349737 

Input current limited power supply and audio power amplifier for high power reproduction of nondeterministic signals


A method and apparatus for amplifying audio signals without exceeding an input current limit budgeted for the audio power amplifier circuit includes an intermediate energy storage between a battery and the audio power amplifier which provides an energy reserve to support amplifying peaks where the peaks have a peak power that is greater than the power that can be drawn from the battery due to the input current limit. Speech signals, which include substantial periodic content having short peaks relative to a pitch period, can be amplified without depleting the intermediate energy storage, allowing the intermediate energy storage to recover after a peak and before occurrence of a next peak.
Motorola Solutions, Inc


12/03/15
20150349464 

Reuse of plug detection contacts to reduce crosstalk


An audio jack may include two contacts to electrically connect to a ground contact of an audio plug in order to detect that a metallic audio plug is inserted into the audio jack. A first of these two contacts may be grounded to form a current return path that generates a ground voltage at the ground contact of the audio plug.
Apple Inc.


12/03/15
20150348570 

Method and speech behavior visualization and gamification


In some example embodiments, a system is provided for real-time analysis of audio signals. First digital audio signals are retrieved from memory.
Cogito Health Inc.


12/03/15
20150348529 

Anti-noise headset device and sound processing method thereof


An anti-noise headset device and a sound processing method thereof are provided. The anti-noise headset device includes an audio receiving module and a control module.
Avermedia Technologies, Inc.


12/03/15
20150348429 

Virtual trainer optimizer method and system


This disclosure provides an augmented virtual trainer (vt) method and system. According to an exemplary system, a video based physiological metric system is integrated with a vt system to provide health and/or safety related data associated with a user of the vt system.
Xerox Corporation


12/03/15
20150343214 

Low-frequency application device


There is provided a low-frequency application device capable of applying a low-frequency voltage in synchronization with emitted music and preventing an unexpected large voltage from being suddenly supplied to a human body. A w-frequency application device, comprising: an audio processor to output audio signals; a filter to pass audio signals in a predetermined frequency band among the audio signals; a signal generator to generate a pulse signal by receiving an audio signal at a preset level or higher among the audio signals passed through the filter; electrodes to supply current to a human body; a voltage generator to generate a low-frequency pulse voltage to supply current corresponding to the voltage to the electrodes; and a controller to control output of the voltage by the pulse signal..
Yaman Ltd.


11/26/15
20150341734 

Methods circuits devices systems and associated computer executable code for acquiring acoustic signals


Disclosed are methods, circuits, devices, systems and associated computer executable code for acquiring, processing and rendering acoustic signals. According to some embodiments, one or more direction specific audio signals may be generated using a microphone array comprising two or more microphones and an audio stream generator.

11/26/15
20150338833 

System combining an audio mixing unit and a lighting control unit


The present invention relates to a system configured to control a lighting of at least one light fixture, where the system comprises an audio mixing unit configured to mix audio signals, at least one actuating element provided to control the lighting of the at least one light fixture; and a first processing unit configured to determine an operating status of the at least one actuating element. The system furthermore comprises a light control unit configured to generate a light control signal for the at least one light fixture.
Martin Professional Aps


11/26/15
20150338517 

Proximity detecting apparatus and method based on audio signals


An apparatus includes at least one processor and at least one memory including computer code. The at least one memory and the computer code are configured with the at least one processor to cause the apparatus to determine at least one impulse response model pulse train from at least one audio signal, and to determine a presence of an object from the at least one impulse model pulse train..

11/26/15
20150335889 

Cochlear implant system including an implantable battery


An exemplary cochlear implant system includes 1) a cochlear implant configured to be implanted within a patient, 2) a sound processor configured to be located external to the patient and to direct the cochlear implant to apply electrical stimulation representative of one or more audio signals to the patient, and 3) an implantable battery configured to be implanted within the patient and to provide operating power for the cochlear implant. Corresponding systems and methods are also disclosed..
Advanced Bionics Ag


11/19/15
20150334500 

Producing a multichannel sound from stereo audio signals


The invention relates to a method for generating a multichannel audio signal (600, 700) from a stereo audio signal (100, 200), having the following steps: ascertaining a first panning coefficient (310) and a second panning coefficient (320) of the stereo audio signal; ascertaining a direct signal (515) as well as a first surroundings signal (510) and a second surroundings signal (520) from the first audio signal and the second audio signal and from the first panning coefficient and the second panning coefficient; ascertaining a plurality of repanning coefficients (410, 415, 420) from the panning coefficients, each repanning coefficient of the plurality of repanning coefficients being assigned to an audio channel (580, 585, 590) of a plurality of audio channels of the multichannel audio signal; calculating each direct signal using each of the repanning coefficients of the plurality of repanning coefficients; and converting each audio channel into a playback signal (600, 700) of the multichannel audio signal, each playback signal being provided for a respective playback device.. .
Hamburg Innovation Gmbh


11/19/15
20150334489 

Microphone partial occlusion detector


Digital signal processing for microphone partial occlusion detection is described. In one embodiment, an electronic system for audio noise processing and for noise reduction, using a plurality of microphones, includes a first noise estimator to process a first audio signal from a first one of the microphones, and generate a first noise estimate.
Apple Inc.


11/19/15
20150333717 

Methods and processing audio signals


A method for processing an audio signal (i(t)), comprises: receiving a first set (x(t)) of time-varying signals representing a first sound comprised in the audio signal (i(t)), the first set (x(t)) of time-varying signals comprising an amplitude modulation signal (a(t)), a carrier frequency signal (fc(t)), a pitch signal (f0(t)) and an fm index signal (h(t)); and modifying the first set (x(t)) of time-varying signals by modifying the amplitude of the fm index signal (h(t)), thereby providing a first modified set (x′(t)) of time-varying signals. The resulting first modified set (x′(t)) of time-varying signals may subsequently be modulated to provide an audio output signal..
Oticon A/s


11/19/15
20150332692 

Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals


In general, techniques are described for performing codebook selection when coding vectors decomposed from higher-order ambisonic coefficients. A device comprising a memory and a processor may perform the techniques.
Qualcomm Incorporated


11/19/15
20150332690 

Coding vectors decomposed from higher-order ambisonics audio signals


In general, techniques are described for coding of vectors decomposed from higher order ambisonic coefficients. A device comprising a processor and a memory may perform the techniques.
Qualcomm Incorporated


11/19/15
20150332671 

Device and speech recognition


A device and a method for speech recognition, usable in a vehicle, with a processing unit for processing audio signals of a user on the basis of a user speech profile assigned to this user. The device is configured to store the user speech profile in an external memory assigned only to this user and located outside the processing unit, and to automatically retrieve the user speech profile stored in the external memory at each start-up of the device.
Ford Global Technologies, Llc


11/19/15
20150332034 

Spatial audio apparatus


An apparatus comprising: an input configured to receive at least one of: at least two audio signals from at least two microphones; and a network setup message; an analyser configured to authenticate at least one user from the input; a determiner configured to determine the position of the at least one user from the input; and an actuator configured to perform an action based on the authentication of the at least one user and/or the position of the at least one user.. .
Nokia Corporation


11/19/15
20150331699 

Dynamic routing of audio among multiple audio devices


A routing screen is presented on an electronic device by a user interface application in response to receiving a notification that an external audio device is connected to the electronic device. The routing screen displays representations of an internal audio device and the external audio device.
Apple Inc.


11/12/15
20150326996 

Proximity-based audio sharing system


A proximity-based audio sharing system includes two identical units in wireless communication with each other. Each unit includes: a wireless transceiver module configured for communicating audio signals with the wireless transceiver module of the other unit; an audio output device connected with the wireless transceiver module and configured for playing back audio signals transmitted from the wireless transceiver module; a mute control circuit connected with the wireless transceiver module and the audio output device, and configured for selectively muting the audio output of the audio output device; and a microcontroller unit connected with the wireless transceiver module and configured for controlling the wireless transceiver module and the mute control circuit, and transmitting a control signal which includes a link signal and a mute control signal to the microcontroller unit of the other unit when the two units are in touch or in proximity of each other..
Acoustic Arc International Ltd.


11/12/15
20150326988 

Production of 3d audio signals


There is provided a device which produces the necessary directional audio signals for a 3-dimensional audio playback and which in that case uses as input signals the available channels of an audio recording intended for 2-dimensional audio playback. By taking psychoacoustic effects into account the desired spatial 3d audio effect is produced by a targeted use of signal delays, frequency-dependent amplitude matchings and a limited use of hall effects in conjunction with a targetedly asymmetric processing..
Sennheiser Electronic Gmbh & Co. Kg


11/12/15
20150326980 

Condenser microphone


Provided is a condenser microphone having a plurality of condenser microphone units connected in series to improve output sensitivity, and simplify a circuit configuration of the condenser microphone. The condenser microphone units are directly connected to each other in series.
Kabushiki Kaisha Audio-technica


11/12/15
20150326962 

Condenser microphone


Provided is a condenser microphone having a plurality of condenser microphone units connected in series to improve output sensitivity, and a simplified circuit configuration. At least one of the preceding condenser microphone units, excepting a last condenser microphone unit, and an adjacent succeeding condenser microphone unit are directly connected to transmit an audio signal obtained from the at least one of the preceding condenser microphone units to the adjacent succeeding condenser microphone unit.
Kabushiki Kaisha Audio-technica


11/12/15
20150326960 

Miniature low profile speaker and case assembly


A low-profile speaker and case assembly includes a case configured to house a handheld electronic device, a digital signal processor attached to an interior surface of the case and coupled to an amplifier. The digital processor is configured to receive audio signals from the handheld electronic device, and to output audio signals to the amplifier.
Prescient Audio Mfg Llc


11/12/15
20150325251 

System and audio noise processing and noise reduction


Electronic system for audio noise processing and noise reduction comprises: first and second noise estimators, selector and attenuator. First noise estimator processes first audio signal from voice beamformer (vb) and generate first noise estimate.
Apple Inc.


11/12/15
20150325244 

System, medium, and encoding/decoding multi-channel audio signals


An system, method, and method of encoding/decoding a multi-channel audio signal, including a decoding level generation unit producing decoding-level information that helps a bitstream including a number of audio channel signals and space information to be decoded into a number of audio channel signals, wherein the space information includes information about magnitude differences and/or similarities between channels, and an audio decoder decoding the bitstream according to the decoding-level information. Accordingly, even a single input bitstream can be decoded into a suitable number of channels depending on the type of a speaker configuration used.
Samsung Electronics Co., Ltd.


11/12/15
20150325236 

Context specific language model scale factors


The customization of recognition of speech utilizing context-specific language model scale factors is provided. Training audio may be received from a source in a training phase.
Microsoft Corporation


11/12/15
20150324584 

Method and device for providing a security breach indicative audio alert


A device for providing a security breach indicative audio alert. The device includes: a security monitor adapted to detect a security breach in device and a loudspeaker, the device wherein including a secure audio alert generating hardware, adapted to participate, in response to the detection of the security breach, in a generation of a security breach indicative audio alert.
Freescale Semiconductor, Inc.


11/12/15
20150321770 

New method to prevent or stop an airplane from being hijacked and to minimize the effect of damage by using remote and wireless real-time monitoring and inhalational general anesthetic gases controlled from the ground (level)


A method to stop hijack of an airplane, installs video monitors, audio monitors and a gas delivery system in passenger cabins, a cockpit and needed places. The gas is inhalational general anesthetic which make people into a deep sleep.

11/05/15
20150319544 

Noise reduction in auditory prosthesis


A method of processing audio signals for an auditory prosthesis is provided. The method includes a noise reduction step and a later compression step.

11/05/15
20150319540 

Method and recovering audio signals from images


A method of recovering audio signals and corresponding apparatus according to an embodiment of the present invention using video or other sequence of images enables recovery of sound that causes vibrations of a surface. An embodiment method includes combining representations of local motions of a surface to produce a global motion signal of the surface.
Massachusetts Institute Of Technology


11/05/15
20150317995 

Multi-band signal processor for digital audio signals


A method includes: processing the digital audio input signal to generate m delayed digital audio signal samples; converting the delayed digital audio signal samples to frequency domain representation in n number of frequency bands to compute respective signal spectrum values; determining respective signal level estimates; computing respective frequency domain gain coefficients based on the respective signal level estimates and band gain laws; transforming the frequency domain gain coefficients to time domain representation to produce m time-varying filter coefficients of a processing filter; convolving the m delayed digital audio signal samples with the time-varying filter coefficients to produce the processed digital output signal; and updating the delayed digital audio signal samples in accordance with a sample-by-sample or a predetermined block rate; wherein two of the signal spectrum values for at least two of the frequency bands are updated at different rates; and wherein m and n are positive integer numbers.. .
Gn Resound A/s


11/05/15
20150317986 

Processing of audio signals during high frequency reconstruction


The application relates to hfr (high frequency reconstruction/regeneration) of audio signals. In particular, the application relates to a method and system for performing hfr of audio signals having large variations in energy level across the low frequency range which is used to reconstruct the high frequencies of the audio signal.
Dolby International Ab


11/05/15
20150317984 

Audio-data transmission system and audio-data transmission method


The present invention provides an audio-data transmission system including a channel encoder, a data modulator and a speaker. The channel encoder is utilized to receive and encode a bit signal and generates an encoding signal.
Acer Incorporated


11/05/15
20150317981 

Orientation based microphone selection apparatus


An apparatus comprising: an input configured to receive from at least two microphones at least two audio signals; at least two processor instances configured to generate separate output audio signal tracks from the at least two signals from the at least two microphones; a file processor configured to link the at least two output audio signal tracks within a file structure.. .
Nokia Corporation


10/29/15
20150312691 

Automatic microphone switching


A method comprising: initiating a sound capture event within an apparatus; receiving at least two audio signals during the sound capture event, wherein the at least two audio signals are provided by at least two microphones associated with the apparatus; determining at least one microphone operational parameter based on the received at least two audio signals; and controlling the sound capture event such that at least one of the at least two audio signals is processed based on the at least one microphone operational parameter.. .

10/29/15
20150312507 

Method and sending and receiving audio data


A method and an apparatus for sending and receiving audio data, so as to solve the problem that in the prior art, a simulating audio and video transmission system is complex in cable connection structure. The audio data is overlaid at a preset position of a video blanking interval of video data, sending and receiving of audio signals are carried out, and co-cable transmission of the audio and video data can be achieved..
Zhejiang Dahua Technology Co., Ltd.


10/29/15
20150311747 

Mini solar portable multi-device


A mini solar portable multi-device includes a solar module for converting solar energy and transmitting electric energy to a battery inside the body, a radio control circuit board that has a connector set and an audio changeover switch, and a loudspeaker seat holding a loudspeaker that sounds audio signals or acoustic warnings and a light-emitting member control circuit board that has a light-emitting member, a light-emitting control circuit, a brightness and light-emitting mode touch switch, and a light-detection control circuit for providing consistent illumination or warning flashes. The device performs self-charging under sunlight or gets charged by the grid, and then charge an external cell phone.
Speedtech Energy Co.,ltd.


10/29/15
20150310869 

Apparatus aligning audio signals in a shared audio scene


An apparatus comprising: an input selector configured to select at least two audio signals; a segmenter configured to segment the at least two audio signals according to at least two classifications; a segment selector configured to select, for the at least two audio signals, audio signal segments based on at least one classification from the at least two classifications; and an aligner configured to align the selected audio signal segments, and further configured to align the at least two audio signals based on the alignment of the selected audio signal segments.. .
Nokia Corporation


10/29/15
20150310868 

Data transfer using mobile devices


The present invention provides a method and system for transmitting data. The system includes an encoder for converting the data into one or more binary sequences using a binary encoding scheme, selecting one or more sets of frequencies from a frequency matrix based on the one or more binary sequences, and prepending a starter frequency to the one or more sets of frequencies.
Ubona Technologies Pvt. Ltd


10/29/15
20150310024 

Acoustic playback system


An acoustic playback system including a digital filter; and a plurality of digital modulators each of which output a digital signal to one of a plurality of speakers driven by digital signals having different play back bandwidths; wherein the digital filter converts a digital audio signal which is input into a plurality of digital audio signals of a plurality of frequency bandwidths corresponding to play back bandwidths of the speakers, and outputs each of the digital audio signals of the plurality of frequency bandwidths to one of the plurality of digital modulators; each of the digital modulators outputs the modulated digital signal to the speaker of a play back bandwidth corresponding to a frequency bandwidth of the digital audio signal which is input by performing miss-match shaping after noise shaping to a digital audio signal; and each number of bits of a digital signal of the digital modulators is different.. .
Trigence Semiconductor, Inc.


10/22/15
20150304791 

Virtual height filter for reflected sound rendering using upward firing drivers


Embodiments are directed to speakers and circuits that reflect sound off a ceiling to a listening location at a distance from a speaker. The reflected sound provides height cues to reproduce audio objects that have overhead audio components.
Dolby Laboratories Licensing Corporation


10/22/15
20150304788 

Surround component generator


Provided is a surround component generation device capable of generating surround components for multichannel reproduction based on two-channel audio signals with a small amount of arithmetic operation. The surround component generation device includes: multipliers for changing amplitudes of audio input signals; subtractors for subtracting outputs of the multipliers from the input signals; coefficient updaters for updating coefficients of the multipliers; subtractors for generating surround components based on the input signals and the output signals of the multipliers; output switches for switching and outputting the output signals of the subtractors; and output switching controllers for controlling the output switches.
Panasonic Corporation


10/22/15
20150304787 

Mems microphone system for harsh environments


A mems microphone system suited for harsh environments. The system uses an integrated circuit package.
Invensense, Inc.


10/22/15
20150304762 

Earphone attachment system


An earphone attachment system protects an earphone while also allowing a user to personalize the appearance of their earphone. The system includes an earphone having an ear end and a cord.

10/22/15
20150304752 

Microphone unit


There is provided a microphone unit having a plurality of miniature microphones for respectively recording audio signals and a carrier unit. The miniature microphones can be arranged on a side of the carrier unit..
Sennheiser Electronic Gmbh & Co. Kg


10/22/15
20150304739 

System and listening to teams in a race event


A computer-implemented method and system allows a remote computer user to listen to teams in a race event. The method includes receiving audio signals from a plurality of audio sources at the race event; transmitting at least some of the audio signals to a remote computer; and filtering the audio signals as a function of the source of at least some of the audio signals so that at least some of the audio signals are not played by the remote computer and heard by the user..
Tagi Ventures, Llc


10/22/15
20150304055 

Apparatus, underwater signaling of audio messages to a diver


Embodiments of the invention provide a system, apparatus and methods for underwater voice communication between a diver and an underwater electronic device. In many embodiments, the system includes a dive computer which generates audio signals corresponding to spoken messages and a mouthpiece apparatus having an acoustic transducer that conducts sound via conduction through the diver's teeth and skull to the cochlea so as to allow the diver to hear the messages and other sounds and a microphone for sensing the diver's voice.
Incube Labs, Llc


10/22/15
20150302859 

Scalable and embedded codec for speech and audio signals


A system and method for processing of audio and speech signals is disclosed, which provide compatibility over a range of communication devices operating at different sampling frequencies and/or bit rates. The analyzer of the system divides the input signal in different portions, at least one of which carries information sufficient to provide intelligible reconstruction of the input signal.
Alcatel Lucent


10/15/15
20150296285 

Audio system


An audio system that is constructed and arranged to be carried by a headwear that is adapted to be worn on a person's head. The audio system includes one or two sound delivery assemblies, each sound delivery assembly comprising a housing, and a loudspeaker that generates sound in the housing, where the housing has a sound-emitting opening that emits sound generated by the loudspeaker.



Audio Signals topics: Audio Signals, Signal Processing, Multimedia, Ip Address, Ip Multimedia Subsystem, Multimedia Device, Feedback Signal, Formatting, Audio Signal Processing, Electronic Device, Cell Phone, Instruments, Control Bus, Electrical Signal

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