|| List of recent Audio Signals-related patents
|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
|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.
|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..
|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.
|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.
|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
|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.. .
|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.
|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.
|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
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
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
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
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.
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.
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.
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.
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.
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.
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
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
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
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.
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.. .
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.. .
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.
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.
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.. .
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
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.
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
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.
Mems microphone system for harsh environments
A mems microphone system suited for harsh environments. The system uses an integrated circuit package.
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.
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
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
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
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.
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.
Mutual information based intelligibility enhancement
Provided are methods and systems for improving the intelligibility of speech in a noisy environment. A communication model is developed that includes noise inherent in the message production and message interpretation processes, and considers that these noises have fixed signal-to-noise ratios.
Simulation based on audio signals
A method and computer program product where a computer receives an audio input. The computer determines that the amplitude of a portion of the audio input exceeds a pre-determined threshold.
Connectorized cochlear implant systems and methods
An exemplary system includes 1) a cochlear implant module configured to be implanted within a patient and comprising cochlear implant circuitry configured to apply electrical stimulation representative of one or more audio signals to the patient, and 2) a modular connector coupled to the cochlear implant module by way of a cable and configured to be implanted within the patient. The modular connector may be removably connected to an implantable antenna in order to facilitate communicative coupling of the implantable antenna to the cochlear implant circuitry.
Method for determining a direction of at least one sound source from an array of microphones
A direction of at least one sound source from an array of microphones is determined by obtaining a plurality of solutions sets from audio signals acquired from the microphones array, each solutions set being obtained by applying a sound source localization method to the audio signals, each solution defining a sound direction candidate. Then, solutions are grouped into groups of solutions and at least one of the groups is removed, based on a criterion of disparity between the solutions sets.
Passive proximity detection
Techniques and devices are disclosed for utilizing passively received audio signals to determine proximity of devices to other objects. In one embodiment, a method of passive proximity detection is provided that includes sensing a first sound wave using a first audio transducer and generating a first signal representative of the first sound wave.
Mixer circuit, audio signal processing circuit, mixing audio signals, and audio device for a vehicle, audio component device and electronic device using the same
A mixer circuit includes a first d/a converter configured to convert a first digital audio signal to a first analog audio signal; an inverter configured to invert a polarity of a second digital audio signal to generate a third digital audio signal; a second d/a converter configured to convert the third digital audio signal to a second analog audio signal; and an output stage configured to add the first analog audio signal and the second analog audio signal by changing a polarity of one of the first analog audio signal and the second analog audio signal.. .
Very short pitch detection and coding
System and method embodiments are provided for very short pitch detection and coding for speech or audio signals. The system and method include detecting whether there is a very short pitch lag in a speech or audio signal that is shorter than a conventional minimum pitch limitation using a combination of time domain and frequency domain pitch detection techniques.
Generation of a comfort noise with high spectro-temporal resolution in discontinuous transmission of audio signals
The invention provides an audio decoder being configured for decoding a bitstream so as to produce therefrom an audio output signal, the bitstream including at least an active phase followed by at least an inactive phase, wherein the bitstream has encoded therein at least a silence insertion descriptor frame which describes a spectrum of a background noise, the audio decoder including: a silence insertion descriptor decoder configured to decode the silence insertion descriptor frame; a decoding device configured to reconstruct the audio output signal from the bitstream during the active phase; a spectral converter configured to determine a spectrum of the audio output signal; a noise estimator device configured to determine a first spectrum of the noise of the audio output signal; a resolution converter configured to establish a second spectrum of the noise of the audio output signal; a comfort noise spectrum estimation device; and a comfort noise generator.. .
Dynamic sound adjustment
Among other things, one or more non-transitory machine-readable media storing instructions are described. The stored instructions are executable by one or more processing devices to perform operations comprising analyzing an effect of noise in a spatial unit on sound in the spatial unit, at least part of the sound being produced by audio signals; selecting an adjustment curve among a group of adjustment curves based on one or more characteristics of the noise; and determining an amount of adjustment to be made to the audio signals based on the analyzed effect and the selected adjustment curve..
Background noise cancellation using depth
An apparatus, system, and method for reducing noise by using a depth map is disclosed herein. The method includes detecting a plurality of audio signals.
Collaboratively processing audio between headset and source to mask distracting noise
A media playback device has programmable signal processing capabilities and an input receiving signals representative of ambient noise. The media playback device identifies an output response characteristic and an attenuation characteristic of a set of headphones associated with the media playback device, predicts a property of audio output by the headphones at a user's ear based on the ambient noise input signal, the output response characteristic, and the attenuation characteristic of the headphones, predicts expected residual ambient noise at the user's ear, when wearing the headphones, derived from the ambient noise input signal and the attenuation characteristic, and modifies masking audio signals to be provided to the headphones such that they will mask the expected residual ambient noise at the user's ear..
Situation dependent transient suppression
Provided are methods and systems for providing situation-dependent transient noise suppression for audio signals. Different strategies (e.g., levels of aggressiveness) of transient suppression and signal restoration are applied to audio signals associated with participants in a video/audio conference depending on whether or not each participant is speaking (e.g., whether a voiced segment or an unvoiced/non-speech segment of audio is present).
Processing audio signals with adaptive time or frequency resolution
In one aspect, an audio processing apparatus is disclosed. The apparatus includes an audio decoder, a filterbank, and a processor.
Dolby Laboratories Licensing Corporation
Processing audio or video signals captured by multiple devices
Embodiments of the present disclosure relate to processing audio or video signals captured by multiple devices. An apparatus for processing video and audio signals includes an estimating unit and a processing unit.
Dolby Laboratories Licensing Corporation
System and a conference server architecture for low delay and distributed conferencing applications
Systems and methods for conducting a multi-endpoint video signal conference are provided. Conferencing endpoints are linked by pairs of a reliable and a less reliable communication channel.
Audio device and adding watermark data to audio signals
An audio device and method for adding a watermark data to digital signals which represent audio generates a digital signature by applying a hash calculation on the hardware address of the audio device. The audio device searches for an orthogonal code in a walsh matrix.
Hon Hai Precision Industry Co., Ltd.
Method, an apparatus and a computer program for creating an audio composition signal
An approach for determining an audio composition signal is provided, the approach comprising obtaining a plurality of reduced audio signals, each representing a first predetermined frequency band of a respective audio signal, determining, for each of the plurality of audio signals for a signal segment corresponding to a given period of time, a ranking value indicative of the quality of the respective audio signal on basis of the respective reduced audio signal, selecting an audio signal of the plurality of audio signals for determination of a segment of an audio composition signal on basis of the determined ranking values and determining the segment of the audio composition signal on basis of the selected audio signal. Moreover, an approach for supporting determination of the audio composition signal is provided, the approach comprising capturing an audio signal, extracting audio signal components representing a first predetermined frequency band from the audio signal to form a reduced audio signal, providing the reduced audio signal for a second apparatus for further processing therein, and providing, in response to a request from the second apparatus, a complementary audio signal representing a second predetermined frequency band of the audio signal, wherein the second predetermined frequency band comprises frequency components of the respective audio signal excluded from the first predetermined frequency band..
Residual encoding in an object-based audio system
Lossy compression and transmission of a downmixed composite signal having multiple tracks and objects, including a downmixed signal, is accomplished in a manner that reduces the bit-rate requirement as compared to redundant transmission or lossless compression, while reducing upmix artifacts. A compressed residual signal is generated and transmitted along with a compressed total mix and at least one compressed audio objects.
System and cross-library recommendation
A music recommendation system receives a user selection of desired music, retrieves analysis data associated with the selected music, and generates a playlist of songs based on the analysis data. The analysis data is generated based on a processing of one or more audio signals associated with the selected music.
Systems and methods for facilitating sound localization by a bilateral cochlear implant patient
An exemplary system for facilitating sound localization by a bilateral cochlear implant patient includes 1) a processing facility configured to determine an interaural difference between a first audio signal detected by a first microphone associated with a first ear of a bilateral cochlear implant patient and a second audio signal detected by a second microphone associated with a second ear of the bilateral cochlear implant patient and generate, based on the determined interaural difference, an enhanced interaural level difference (ild) associated with the low frequency acoustic content of the first and second audio signals and 2) a control facility configured to direct a first cochlear implant associated with the first ear and a second cochlear implant associated with the second ear to generate electrical stimulation representative of the low frequency acoustic content in accordance with the enhanced ild. Corresponding systems and methods are also disclosed..
Advanced Bionics Ag
Audio signal processing device, position information acquisition device, and audio signal processing system
An audio signal processing device includes a calculator for generating a plurality of audio signals to be given respectively to a plurality of loudspeakers based on an audio signal corresponding to a virtual sound source having position information. The calculator calculates, with respect to each loudspeaker, a distance between each of the plurality of loudspeakers and the virtual sound source on the basis of position information indicating a position of the virtual sound source and loudspeaker position information indicating positions of the plurality of loudspeakers, and calculates an audio signal corresponding to the virtual sound source to be supplied to each of the plurality of loudspeakers on the basis of the distance..
Stethoscope, stethoscope attachment and collected data analysis method and system
A device for converting acoustic data collected by a stethoscope into digital data for transmission to a processor for storage and/or comparison with data stored in a database, and to optionally provide computer generated suggestions for diagnosis, is provided in the form of an in-line device interposable between a head of the stethoscope and an acoustic transmission portion of the stethoscope, or is integral with the head, and advantageously has the appearance of an icon of pleasing appearance, for example, a butterfly, in which are incorporated the structural requisites of a functioning stethoscope and/or capabilities for receiving and transmitting to a diagnostician, audio signals gathered from patient examination, and optionally also other data collected at examination and/or following the examination. The butterfly-shaped device, includes a central body advantageously serving as a conduit for transmitting sound received from the patient to the physician or a remote system for analysis and diagnosis..
Method and a binaural hearing assistance system using monaural audio signals
The present application provides method and apparatus for a binaural hearing assistance system using a monaural audio signal input. The system, in various examples, provides adjustable delay/phase adjustment and sound level adjustment.
Starkey Laboratories, Inc.
Protection sound signal converting device
An audio signal output from a tone generator 14 is fed into a coil 16 provided in a transducer for vibrating a sound board, so that a sound signal is generated by the vibration of the sound board. A microcomputer 30 obtains temperature values of the coil 16 measured by two different methods, and suspends supply of audio signals to the coil 16 or reduces the amount of audio signals supplied to the coil 16 if the difference between the two coil temperature values is outside a predetermined range.
Oval shaped in-ear headphone
A pair of in-ear headphones is disclosed that are operable to reproduce incoming audio signals. The in-ear headphones include an oval shaped housing defining an internal chamber.
Klipsch Group, Inc.
Headphones for receiving and transmitting audio signals
Headphones capable of receiving audio signals, playing the audio signals, and transmitting the audio signals to other headphones are disclosed. The headphones comprise a capacitive touch user interface panel and an led lighting system that optionally can pulse with music played on the headphones.
A pair of in-ear headphones is disclosed that are operable to reproduce incoming audio signals. The in-ear headphones include a housing defining an internal chamber.
Klipsch Group, Inc.
Flat panel speaker assembly integrated with vehicle trim
A trim panel assembly for a vehicle incorporates a flat panel speaker. The trim panel defines an interior surface of a passenger compartment of the vehicle and has a speaker aperture with a peripheral edge.
Ford Global Technologies, Llc
Method and reducing and restoring the effectiveness of a commercial skip system
A method and apparatus is disclosed which reduces or removes the effectiveness of commercial skip systems such as presently found in vcrs, pvrs, etc. Which are designed to delete commercials from signal material upon playback of a previously recorded version of the signal material.
Rovi Solutions Corporation
System and testing a radio frequency transceiver by controlling test flow via an induced interrupt
System and method for controlling test flow of a radio frequency (rf) signal transceiver device under test (dut) by inducing an interrupt via an internal signal interface or an external signal interface (with one example of the latter being a baseband signal interface for conveying audio signals). With exemplary embodiments, one or more dut control signals are provided to or otherwise initiated within the dut by inducing an interrupt, including inducement via use of the signal interface.
Apparatus and generating a plurality of parametric audio streams and generating a plurality of loudspeaker signals
An apparatus for generating a plurality of parametric audio streams from an input spatial audio signal obtained from a recording in a recording space has a segmentor and a generator. The segmentor is configured for providing at least two input segmental audio signals from the input spatial audio signal, wherein the at least two input segmental audio signals are associated with corresponding segments of the recording space.
Technische Universitaet Ilmenau
Bionic hearing headset
A bionic hearing headset for enhancing directional sound from an external audio source. The headset includes a pair of headphones, each having a microphone array that connects listeners to the environment through a plurality of microphones, even while listening to content presented over the headphones from an electronic audio source.
Harman International Industries, Incorporated
Sinusoidal interpolation across missing data
Provided are methods and systems for concealing missing segments and/or discontinuities in an audio signal, thereby restoring the continuity of the signal. The methods and systems are designed for and targeted at audio signals, are based on interpolation and extrapolation operations for sinusoids, and do not rely on the assumption that the sinusoids are harmonic.
Layered approach to spatial audio coding
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
Method and system for configuring an active noise cancellation unit
An active noise cancellation (“anc”) unit receives audio signals from a user-operated device through a connection. In response to the audio signals, the anc unit causes at least one speaker to generate sound waves.
Texas Instruments Incorporated
Neural induced enhancement of audio signals
Neural induced enhancement of audio signals is provided to facilitate improving the listening pleasure of a user. An audio processor component can detect brain waves of a user at different frequency bands, analyze the brain wave signal in each of the different frequency bands, and can adjust one or more audio enhancement effects based at least in part on the results of the analysis.
City University Of Hong Kong
Object-based audio loudness management
A method and apparatus for processing object-based audio signals is provided. The apparatus receives a plurality of object-based audio signals.
Processing of audio signals for a tinnitus therapy
A method for processing audio signals in particular for a therapy of subjective tinnitus with an individual tinnitus frequency. The method includes: providing a first audio signal, determining a blocking range in the frequency spectrum of the first audio signal with a predefinable frequency width, creating a second audio signal from the first audio signal using a filter, and determining an auditory energy of the first audio signal or the second audio signal within at least one predefined therapeutically applicable frequency range and specifying an evaluation parameter for the second audio signal..
Method for improving perceptual continuity in a spatial teleconferencing system
The present document relates to audio conference systems. In particular, the present document relates to improving the perceptual continuity within an audio conference system.
Dolby Laboratories Licensing Corporation
Voice activity detector for audio signals
According to one aspect, a method for detecting voice activity is disclosed, the method including receiving a frame of an input audio signal, the input audio signal having an sample rate; dividing the frame into a plurality of subbands based on the sample rate, the plurality of subbands including at least a lowest subband and a highest subband; filtering the lowest subband with a moving average filter to reduce an energy of the lowest subband; estimating a noise level for each of the plurality of subbands; calculating a signal to noise ratio value for each of the plurality of subbands; and determining a speech activity level of the frame based on an average of the calculated signal to noise ratio values and a weighted average of an energy of each of the plurality of subbands. Other aspects include audio decoders that decode audio that was encoded using the methods described herein..
Dolby Laboratories Licensing Corporation
Method and down-mixing of a multi-channel audio signal
A method for down-mixing of a m-channel audio signal (l, r, c, ls, rs, rss, lss) into a n-channel audio signal (ro, lo, rso, lso), where m is an integer for which holds m>n and n is an integer for which holds n≧2, including the step of generating one of the n-channel audio signals of one side (right or left) of a listener (ro, lo, rso, lso), by a combination of: a first term including a signal component (r, l, rs, ls) of the m-channel audio signal of the same side only, and a second term dependent of m, including one or more of further signal components of the m-channel audio signal (c, ls, rs, rss, lss) of the same side only, multiplied by at least one respective filtering function (h1, h2, h3, h4, h5, h6, h7, h8), said filtering function being dependent on: a frequency characteristic of the transmission path between the position of the loudspeaker of the respective signal component of the further m-channel audio signal, and a position of the right ear or left ear, respectively, of a listener in an m-channel reproduction situation, and a frequency characteristic of the transmission path between the position of a loudspeaker of the said one of the n-channel audio down-mixed signals, (ro, lo, rso, lso), and a position of the right ear or left ear, respectively, of a listener in an n-channel reproduction situation.. .
Institut Fur Rundfunktechnik Gmbh
Network setting-up a network system
A network system and a method of setting-up the network system are disclosed. The network system can be used to safely transmit sensitive information such as service set identifiers and keys.
Aevoe International Ltd.
Content-aware audio modes
An audio system for manipulating audio material for playback based on the content of the material includes an input for receiving input audio signals, an output for providing output audio signals to loudspeakers, and an audio processor that processes the input audio signals to produce the output audio signals. The audio processor determines a type of content represented by the input audio signals, selects a set of processing instructions to control the spatial presentation of the audio material based on the determined type, and applies the selected set of processing instructions to the input audio signals..
Speaker device and audio signal processing method
A speaker apparatus includes an input portion to which audio signals of a plurality of channels are input, a plurality of speakers, a directivity controlling portion that delays the audio signals of the plurality of channels input to the input portion and distributes the delayed audio signals to the plurality of speakers so that the plurality of speakers output a plurality of sound beams, and a localization adding portion that applies a filtering processing based on a head-related transfer function to at least one of the audio signals of the plurality of channels input to the input portion and inputs the processed audio signal to the plurality of speakers.. .
Glasses watching display image
A glasses apparatus which works in conjunction with a display apparatus which operates in a multi-view mode to combine and output a plurality of contents. The glasses apparatus includes: a first interface module which receives a synchronization signal in a first wireless communication method; first and second glasses mounted on a glasses frame and which are driven in synchronization with one of the plurality of contents based on the synchronization signal; a second interface module which receives an audio signal of at least said one content in a second wireless communication method; a controller which selects an audio signal of said one content from among audio signals corresponding to the plurality of contents, and an audio outputter which outputs the audio signal of the selected content, and which is integrally formed with the glasses frame..
Samsung Electronics Co., Ltd.
Apparatus and providing a loudspeaker-enclosure-microphone system description
An apparatus for providing a current loudspeaker-enclosure-microphone system description of a loudspeaker-enclosure-microphone system is provided. The apparatus has a first transformation unit for generating a plurality of wave-domain loudspeaker audio signals.
Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.
Sound enhancement for television speakers
A process and system for enhancing and customizing sound includes receiving an input audio sound and enhancing the voice audio input in two or more harmonic and dynamic ranges by re-synthesizing the audio into a full range pcm wave. A tone adjusting circuit is provided which includes a first section for adjusting a low frequency tone, a second section for adjusting a mid frequency tone, a third section for adjusting a high frequency tone and mixing the audio outputs processed by the first, second and third sections to produce an output audio sound.
Max Sound Corporation
Multiple networking in audio processing system
An audio processing system includes a console (control device), an engine (processing device) and an i/o unit (input/output device). The console and the engine are communicatively interconnected via a first-type network.
Hearing aid device comprising a sensor member
A hearing aid device is disclosed. The hearing aid device comprises means to improve, augment and/or protect the hearing capability of a user by receiving acoustic signals from the surroundings of the user, generating corresponding audio signals, possibly modifying the audio signals and providing the possibly modified audio signals as audible signals to at least one of the user's ears.
Communication system and method
A system and method for generating, transmitting and distributing audio signals providing automatic adjustments to the audio signals to compensate for one or more of the acoustics in a meeting room, the arrangement of audience arrays and speakers in a meeting room, audio signal volume levels and equalization, and the differences in characteristics of a verbal input.. .
Multi-modal audio system with automatic usage mode detection and configuration capability
An audio system that may be used in multiple modes or use scenarios, while still providing a user with a desirable level of audio quality and comfort. The inventive system may include multiple components or elements, with the components or elements capable of being used in different configurations depending upon the mode of use.
Harmonic bandwidth extension of audio signals
A method includes separating, at a device, an input audio signal into at least a low-band signal and a high-band signal. The low-band signal corresponds to a low-band frequency range and the high-band signal corresponds to a high-band frequency range.
Processing audio objects in principal and supplementary encoded audio signals
Methods and apparatuses are disclosed that can combine audio content from two encoded input signals into a new encoded output signal without requiring a decode or re-encode of audio content in either encoded input signal. Encoded data representing audio content and spatial location of audio objects in two different input encoded signals are combined to generate an encoded output signal that has encoded data representing audio objects from both of the input encoded signals..
Dolby Laboratories Licensing Corporation
Connectorized cochlear implant systems and methods
An exemplary system includes 1) a cochlear implant module configured to be implanted within a patient and comprising cochlear implant circuitry configured to apply electrical stimulation representative of one or more audio signals to the patient, 2) an implantable sound processor module configured to be implanted within the patient and comprising sound processor circuitry configured to optically transmit data and/or power to the cochlear implant circuitry, and 3) an optical connector assembly configured to facilitate removable coupling of the implantable sound processor module to the cochlear implant module by way of the optical connector assembly. The optical connector assembly comprises one or more optical fibers configured to facilitate the optical transmission of the data and/or the power from the sound processor circuitry to the cochlear implant circuitry while the implantable sound processor module is removably coupled to the cochlear implant module by way of the optical connector assembly..
Advanced Bionics Ag
Hearing aid devices with reduced background and feedback noises
A personal sound processing apparatus is disclosed that comprises an earphone; a microphone; an electronic sound processor connected between an automatic gain controller (agc) and a digital volume controller, an automated feedback tracker operatively connected to the microcontroller, and an audio signal amplifier to amplify audio signals which level is controlled by the digital volume controller. The microcontroller is configured to execute electronic instructions for recognizing at least one of a feedback noise condition and a background noise condition in the audio signals and to send a control signal to the digital volume controller to adjust volume level in response to presence of the at least one of the feedback noise condition and the background noise condition..
Audio output balancing during synchronized playback
Systems and method are provided herein for balancing of outputs from playback devices playing audio content in synchrony. In one embodiment, the balancing of outputs may involve receiving a first audio signal to be played by a first playback device according to a first crossover frequency, determining a limiting result by applying a limiting function associated with a second playback device to a second audio signal to be played by the second playback device according to a second crossover frequency, and based on the first limiting result, configuring the first playback device to play the first audio signal according to a third crossover frequency.
Audio output balancing during synchronized playback
Systems and methods are provided herein for balancing of outputs from playback devices playing audio content in synchrony. In one embodiment, the balancing of outputs may involve receiving a first audio signal to be played by a first playback device, determining a first limiting result by applying to a second audio signal a limiting function associated with a second playback device, determining a limiting function based on the first limiting result, and configuring the first playback device to apply the determined limiting function when playing the first audio signal.