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Digital Audio patents



      
           
This page is updated frequently with new Digital Audio-related patent applications. Subscribe to the Digital Audio RSS feed to automatically get the update: related Digital RSS feeds. RSS updates for this page: Digital Audio RSS RSS


Method and system for providing targeted marketing and services in an sdars network

Method and system for providing targeted marketing and services in an sdars network

Sound effect adjustment method, apparatus and device

Sound effect adjustment method, apparatus and device

Sound effect adjustment method, apparatus and device

Multichannel digital audio interface

Date/App# patent app List of recent Digital Audio-related patents
12/11/14
20140363006
 Hearing device with a means for receiver current estimation and a method of estimating a receiver current for a hearing device patent thumbnailHearing device with a means for receiver current estimation and a method of estimating a receiver current for a hearing device
A hearing device with a unit for estimating the current consumed by the receiver of the hearing device. The hearing device includes a signal input unit for converting an input signal picked up by the signal input unit into a digital audio signal, a signal processing unit for processing the digital audio signal, a digital-to-analog converter for converting a processed audio signal from the signal processing unit, a power amplifier for amplifying a converted audio signal from the digital-to-analog converter, a receiver for generating sound according to an amplified audio signal from the power amplifier, and a battery for powering the hearing device.
11/27/14
20140351053
 Method and system for providing targeted marketing and services in an sdars network patent thumbnailMethod and system for providing targeted marketing and services in an sdars network
A targeted area audio distribution system for satellite digital audio radio services receivers (“sdars”) provides specific content to listeners based on location. A service provider can facilitate delivery of local content using a telematics device installed in the listener's vehicle.
11/27/14
20140348357
 Sound effect adjustment method, apparatus and device patent thumbnailSound effect adjustment method, apparatus and device
A sound effect adjustment method, apparatus and system are provided that are applicable to the sound box field. The method includes: detecting the number of connected sound boxes, a sound box orientation angle, and a distance between a sound box and a listener; selecting a corresponding sound field model; loading the distance between the sound box and the listener and the sound box orientation angle, and adjusting a sound field transmission function; and adjusting a digital audio signal and outputting the adjusted digital audio signal.
11/20/14
20140341398
 Multichannel digital audio interface patent thumbnailMultichannel digital audio interface
A multichannel input device with automatic number-of-channels detection includes an automatic channel and bit depth detector, a digital audio interface (dai), an analog device, and a digital-to-analog converter (dac) coupling the dai to the analog device. The automatic number-of-channels and bit depth detector has a bclk input, a lrclk input, a number of channels nchan output, and a bit depth b output.
11/20/14
20140341393
 Electronic device and method for reproducing audio signals patent thumbnailElectronic device and method for reproducing audio signals
In a method of reproducing audio signals using an electronic device, the electronic device decodes an audio file to generate original digital audio signals, and attenuates the original digital audio signals having frequencies that are lower than a preset cutoff frequency. The electronic device further amplifies each of attenuated digital audio signals and the original digital audio signals having frequencies that are higher than the preset cutoff frequency with a preset gain.
11/20/14
20140341383
 Noise reduction via tuned acoustic echo cancellation patent thumbnailNoise reduction via tuned acoustic echo cancellation
An embodiment provides a method, including: accessing a tuned corrective mask stored in a memory device; forming, using a processor, a tuned acoustic echo cancellation mask utilizing the tuned-corrective mask; applying, using a processor, the tuned acoustic echo cancellation mask to a digital audio signal; and outputting an echo-cancelled audio signal. Other aspects are described and claimed..
11/13/14
20140337579
 Entertainment memory device patent thumbnailEntertainment memory device
A digital memory device comprising: stick shaped memory chip; and read only memory. The digital memory device provides a means to store digital audio and video files for playback..
11/13/14
20140337420
 System and method for recording music which allows asynchronous collaboration over the internet patent thumbnailSystem and method for recording music which allows asynchronous collaboration over the internet
A system for recording music is disclosed. The system for recording music comprises an audio plug-in, wherein the plug-in is configured to be incorporated to a computer having a digital audio workstation, wherein the plug-in allows for asynchronous collaboration of a plurality of audio files recorded by a plurality of collaborators, wherein the audio files are transmitted and received among the plurality of collaborators via the internet.
11/13/14
20140336801
 Acoustic apparatus patent thumbnailAcoustic apparatus
An acoustic apparatus includes a signal processor configured to generate an analog audio signal based on a digital audio signal. The digital audio signal includes a first silent part and a sound part subsequent to the first silent part.
11/13/14
20140334635
 7ghz professional wireless microphone system patent thumbnail7ghz professional wireless microphone system
A wireless microphone system for the transmission and reception of high fidelity analog or digital audio information uses the 7 ghz frequency spectrum. In particular, the system has ultra-low latency and is capable of being used within existing receiver infrastructure allocated to program making and special events (pmse).
11/13/14
20140334625
Digital audio distribution
A master transmitter distributes a plurality of audio channels to one or more expansion receivers as a multiplexed audio stream. Control information is also transmitted between the master transmitter and the expansion receivers.
11/06/14
20140329456
Proximity synchronization of audio content among multiple playback and storage devices
A wireless communication system and in particular to a wireless communication system for digital audio players that provides for increased functionality, such as communication, interaction and synchronization between a computing platform and various mobile, portable or fixed digital audio players, as well as providing a communication link between the various digital audio players themselves. The computing platform may act, for example, through a wireless network or wireless communication platform, to control the digital audio players; to act as a cache of digital audio data for the digital audio players; as well as provide a gateway to the internet to enable the digital audio players to access additional digital audio content and other information.
11/06/14
20140328598
Infrared reception circuit and infrared reception method
An infrared reception circuit and an infrared reception method are provided. The infrared reception circuit includes an infrared receiver for receiving infrared signals and converting the infrared signals into analog signals, an amplifier for amplifying the analog signals, an analog/digital converter for converting the amplified analog signals into digital signals, a digital filter for filtering the digital signals via respective frequency bands, a digital frequency-adjusting demodulator for demodulating the filtered digital signals into digital audio frequency signals, and a digital/analog converter for converting the digital audio frequency signals into analog audio signals.
10/30/14
20140325564
Methods and apparatus for indexing and/or advertising in a user selected downloaded digital video recording
A method and apparatus of indexing a previously digitally recorded program of an audio and video program comprising: first, downloading the digital recording of the audio and video program; second, downloading from a server an index of the digital audio and video program to be associated with the digital recording of the audio and video program so as to navigate the digital recording of the audio and video program; third associating the index to the digital audio and video recording enabling a user of the digitally recorded audio and video program to navigate the digital recording of the audio and video program according to the index; and fourth, enabling the user to navigate the indexed associated digital recording of the audio/video program using the index applied to the digital recording of the audio and video program among many other aspects not allowed regarding the length of this abstract.. .
10/30/14
20140324440
Detection of an audio signal transient using first and second maximum norms
Provided are, among other things, systems, methods and techniques for detecting whether a transient exists within an audio signal. According to one representative embodiment, a segment of a digital audio signal is divided into blocks, and a norm value is calculated for each of a number of the blocks, resulting in a set of norm values for such blocks, each such norm value representing a measure of signal strength within a corresponding block.
10/30/14
20140324422
Synchronous audio distribution to portable computing devices
Analog audio inputs are processed by a digital signal processor and rebroadcast over a local wireless network synchronous with a separate broadcast device or in real time with a live audio source. A software application on a portable computing device provides end-users the option to select from a plurality of audio source streams, cached translations of preprocessed audio streams and speech-to-text captioning.
10/23/14
20140314240
Device and method for simulating spatial sound
The invention relates to a system for simulating stereophonic sound (1), comprising the following: a core module (10) having a space simulation module (11), an echo module and an interface module (15), a control module (20), a digital audio delay matrix module (21), and a digital audio/network system (30). The invention is characterized in that said system provides an echo and/or directional acoustic irradiation on the basis of a system latency less than 2.5 ms by means of the core module (10), the control module (20), and the digital audio network system.
10/23/14
20140313871
System and method for controlling audio source
An apparatus for signal processing, wherein a disc is placed on a turntable and is provided with a groove which can be followed by the pick-up element, and employing a time-code signal wherein during use of the disc the said time-code signal controls the digital audio source.. .
10/23/14
20140313862
Proximity-detection systems and methods
When two or more devices are near each other, they are likely to hear the same ambient sounds. To detect such proximity, each device captures a short digital audio signal from its microphone and uploads it to a proximity-detecting service along with a timestamp that indicates when the clip was captured.
10/16/14
20140307893
Digital audio routing system
A digital audio routing system providing a process and system for managing multi-channel audio signals and a plurality of language signals, and decoding the signals into serial sound data to create a program serial data and a plurality of language serial data. The program serial data and the plurality of language serial data are aligned, and the program serial data is separated.
10/16/14
20140307089
Video conversion device
A video conversion device includes a video signal input port, an audio signal input port, a signal processing module and a signal output module. The video signal input port and a video capture device is connected via a connecting assembly having a plug and a socket for receiving an external analog video signal from the video capture device.
10/09/14
20140304790
Digital content distribution and subscription system
Digital content distribution systems and methods are provided for distributing for digital data files, such as digital audio and video data files. In accordance with one implementation, a token-based authentication system is provided that does not require knowledge of the individual user requesting the download of digital content data or real-time access to user account information.
10/09/14
20140304423
Proximity synchronization of audio content among multiple playback and storage devices
A wireless communication system and in particular to a wireless communication system for digital audio players that provides for increased functionality, such as communication, interaction and synchronization between a computing platform and various mobile, portable or fixed digital audio players, as well as providing a communication link between the various digital audio players themselves. The computing platform may act, for example, through a wireless network or wireless communication platform, to control the digital audio players; to act as a cache of digital audio data for the digital audio players; as well as provide a gateway to the internet to enable the digital audio players to access additional digital audio content and other information.
10/09/14
20140304374
Transmission of digital audio data
A system, method and computer-readable code for segmenting an audio stream into a plurality of small digital audio files using gaps in the natural language of the audio stream is provided. The small digital audio files are transmitted, loaded, and played in a specific order, such that from the user's perspective, the audio stream is reproduced in an apparently seamless manner.
10/09/14
20140301564
System and method for identification and management of audio streams in a live sound environment
Method and system for the association of sound-producing sources with network audio interfaces in a live sound environment using networked digital audio for audio stream transport. An embodiment provides for efficient setup of a live sound environment that can be replicated with the same efficiency each time it is setup.
10/02/14
20140296937
Pulsed infrared modulation of a photovoltaic cell cochlear implant for the multichannel electrical depolarization of spiral ganglion cells to achieve sound percept
A hearing assistance device for use with respect to a mastoid cavity and an ear canal with a tympanic membrane, external ear canal bone, incudo-stapedial joint of an ossicular chain and a cochlea having a round window membrane. The device includes a removable unit with a microphone to convert a received sound into electrical sound signals, and includes a digital audio signal processor to process the electrical sound signals into envelopes of the electrical sound signals, and includes an infrared transmitter to transmit the envelopes of sound signals as packages of infrared light pulses.
10/02/14
20140294204
Audio amplifier mode transition
An audio amplifier is to transition between a power-down mode and an active mode, based on assertion and deassertion of a power down signal. A power down control module is to selectively assert and deassert the power down signal to the audio amplifier.
10/02/14
20140292593
Multiband mimo antenna assemblies operable with lte frequencies
According to various aspects, exemplary embodiments are disclosed herein of multiple input multiple output (mimo) antenna assemblies operable over multiple frequency bands, including lte (long term evolution) frequencies (e.g., 4g, 3g, other lte generation, b17 (lte), lte (700 mhz), etc.). In various embodiments, an antenna assembly generally includes a first or primary cellular antenna and a second or secondary cellular antenna.
09/25/14
20140286506
Digital audio mixing device
A mixer includes a plurality of input channels, a plurality of input groups, and a plurality of group strips that adjust values of parameters of the input groups. The mixer preliminarily prepares a plurality of group presets having data required for setup of group modules as presets, and each group preset has attribute information including musical genre, number of input channels, and instrument kind.
09/25/14
20140286502
Audio playback system and method used in handheld electronic device
An audio playback system used in a handheld electronic device is provided. The audio playback system comprises an audio interface, a control module, an audio processing module and at least two audio playback modules.
09/25/14
20140286494
Microphone detection and selection circuit and method
The present invention discloses a microphone detection circuit for detecting whether an external device includes a microphone. The microphone detection circuit comprises: an audio circuit for receiving an analog input signal which is a signal from the external device or a preset signal.
09/18/14
20140278422
Indexing digitized speech with words represented in the digitized speech
Indexing digitized speech with words represented in the digitized speech, with a multimodal digital audio editor operating on a multimodal device supporting modes of user interaction, the modes of user interaction including a voice mode and one or more non-voice modes, the multimodal digital audio editor operatively coupled to an asr engine, including providing by the multimodal digital audio editor to the asr engine digitized speech for recognition; receiving in the multimodal digital audio editor from the asr engine recognized user speech including a recognized word, also including information indicating where, in the digitized speech, representation of the recognized word begins; and inserting by the multimodal digital audio editor the recognized word, in association with the information indicating where, in the digitized speech, representation of the recognized word begins, into a speech recognition grammar, the speech recognition grammar voice enabling user interface commands of the multimodal digital audio editor.. .
09/18/14
20140278034
System and method for improved traffic flow reporting using satellite digital audio radio service (sdars) and vehicle communications, navigation and tracking system
Systems and methods are provided for improved traffic flow reporting (e.g., system bandwidth conservation and timely traffic flow updates) using in-vehicle devices, service hub, and communications system for transmitting aggregated traffic flow data to the vehicles. In-vehicle devices store data relating to monitored segments of roadways (e.g., segment identifiers or location codes and designated range(s) of speed), and send messages to the hub when current vehicle speed is not within a selected range designated for the current segment of roadway where the vehicle is located.
09/18/14
20140277651
Audio systems and related devices and methods
An audio system including an audio playback device that is configured to operatively connect to a plurality of digital audio sources for playback of content from the digital audio sources and each of the audio playback devices including a set of preset indicators. Each preset indicator in the set of preset indicators is configured to have assigned to it an entity associated with one of the plurality of digital audio sources.
09/18/14
20140277644
Audio systems and related devices and methods
A method for managing presets in an audio system is provided. The method includes syncing preset assignments on a plurality of audio playback devices such that preset assignments on any one of the audio playback devices correspond to respective preset assignments on each of the other audio playback devices, and, such that, if one of the preset assignments is changed on one of the audio playback devices, each of the other audio playback devices is automatically updated such that a corresponding change is made to a corresponding preset assignment on each of the other audio playback devices.
09/18/14
20140277639
Audio systems and related devices and methods
A method for managing presets in an audio system is provided. The method includes syncing preset assignments on a plurality of audio playback devices such that preset assignments on any one of the audio playback devices correspond to respective preset assignments on each of the other audio playback devices, and, such that, if one of the preset assignments is changed on one of the audio playback devices, each of the other audio playback devices is automatically updated such that a corresponding change is made to a corresponding preset assignment on each of the other audio playback devices.
09/18/14
20140270268
Headset systems and methods
A digital audio player device can be attached, adhered, or otherwise embedded into or upon a removable oral appliance or other oral device to form an intraoral mp3 player. In another embodiment, the device provides an electronic and transducer device that can be attached, adhered, or otherwise embedded into or upon a removable oral appliance or other oral device to form a dap.
09/18/14
20140270008
Wireless audio receiver system and method
A wireless audio receiver system and method is provided that is capable of receiving one or more radio frequency (rf) signals containing audio signals modulated by analog and/or digital modulation schemes, operating in full diversity mode or switched diversity mode, demodulating the rf signals, and outputting analog audio signals and a combined digital audio signal. The system and method switches multiple diversity antennas to route received rf signals to respective rf signal processing paths.
09/18/14
20140269951
Portable audio networking system
A portable audio networking system is provided that includes master devices and slave devices in communication over cables adapted to simultaneously transport a digital audio signal, dc power, and a data signal. Master devices are configured to receive a digital audio signal, distribute power, and transceive a data signal, and slave devices are configured to transmit the digital audio signal to master devices, receive the power from master devices, and transceive the data signal with master devices.
09/11/14
20140259073
Interactive television program guide with selectable languages
An interactive television program guide is provided. The interactive television program guide provides a user with the opportunity to select a language for playing television programming and displaying program guide text.
09/11/14
20140254837
Integrated audio amplification circuit with multi-functional external terminals
An audio amplification circuit may include an input terminal for receipt of an input signal from a transducer. A signal processor may be coupled to the input terminal for receipt and processing of the input signal to generate a processed digital audio signal in accordance with a programmable configuration setting of the signal processor.
09/04/14
20140247120
System and method for automatically producing haptic events from a digital audio file
In an embodiment, a system and method for automatically converting a plurality of events in a plurality of channels in a structured representation sequence into haptic events. The method comprises calculating an event score for each event of the sequence in one or more channels.
08/28/14
20140241543
Wireless digital audio music system
A wireless digital audio system includes a portable audio source with a digital audio transmitter operatively coupled thereto and an audio receiver operatively coupled to a headphone set. The audio receiver is configured for digital wireless communication with the audio transmitter.
08/21/14
20140233744
Audio processing and enhancement system
A system and method for enhancing the audio experience on a consumer electronic device is disclosed. A system for enhancing the audio experience on a consumer electronic device including a parametrically configurable processing block is disclosed.
08/14/14
20140229167
Method and device for slowing a digital audio signal
A method for slowing a digital audio signal from the transmitter in order to transmit a slowed-down digital audio signal to a receiver, comprises the conversion of the digital audio signal received from a transmitter into a text made up of a series of words, assigning a timestamp bookmark to each word of the text, identifying words that belong to patterns referenced in a database of patterns to be eliminated, the definition of a rate of slowing, the adaptation of timestamped bookmarks to a slowed-down time frame based on the time of slowing, the slowing of the digital audio signal, the deletion of patterns to be eliminated, and the transmission to the receiver of a slowed-down digital audio signal.. .
08/14/14
20140226830
Method for operating a hearing device and hearing device
A hearing device comprises a receiver, an input buffer and a sample processor, the receiver being adapted to receive samples of a digital audio signal and feed received samples as a digital input signal to the input buffer, the sample processor being adapted to process the buffered samples to provide samples of a digital output signal such that the digital output signal is a sample-rate converted representation of the digital input signal with a predetermined target sample rate. The hearing device further comprises a latency controller adapted to estimate the quality of reception of the digital audio signal and to control the processing of the buffered samples in dependence on the estimated quality of reception..
08/07/14
20140223302
Adding media to a locker
A method for uploading content to a server may include associating an identifier and a trigger with a digital audio item uploaded to the server for inclusion into a digital multimedia store managed by the server. The identifier may identify the digital audio item from a plurality of other audio items available at the digital multimedia store.
08/07/14
20140218373
Script control for camera positioning in a scene generated by a computer rendering engine
A system for controlling a rendering engine by using specialized commands. The commands are used to generate a production, such as a television show, at an end-user's computer that executes the rendering engine.
07/31/14
20140214188
Method and apparatus for wireless digital radio
A method and apparatus are provided for a first controlled device, such as a wireless local transmitter that accepts a plurality of digital audio signals and corresponding program information signals converted from a controlled source, such as the encoded digital data provided by a digital data signal source, typically a community antenna television (catv) cable or direct broadcast satellite, then modulates said digital audio and corresponding program information signals on different carrier frequencies and transmits the modulated signals to a plurality of second controlled devices, such as remote digital receiver/tuners that demodulate said signals to output music in stereophonic sound and display the corresponding program information by means of an alphanumeric display. The first and second controlled devices contain microprocessor systems for communicating, controlling, storing, processing, and display of digital data within the operation of the respective system.
07/31/14
20140211968
Method for dynamically adjusting gain of parametric equalizer according to input signal, dynamic parametric equalizer and dynamic parametric equalizer system employing the same
The present invention relates to a method for dynamically adjusting a gain of parametric equalizer according to an input signal, a dynamic parametric equalizer employing the same and a dynamic parametric equalizer system employing the same wherein a gain of parametric equalizer is dynamically adjusted according to a level of an input digital audio signal to prevent distortion of output signal.. .
07/31/14
20140211964
Audio output device
Provided is an audio output device capable of preventing noises and improving the s/n ratio even if no audio signal is inputted in the middle of the input of audio signals, or even if an audio-signal input state and a no-signal state are alternately repeated. In the provided audio output device, a multiplier is provided on the input side of each of the delayers.
07/31/14
20140208622
Greeting card with spring loaded slide track audio trigger
An interactive greeting card having a multi-panel greeting card body, a sound module and a molded track contained between two or more panels of the multi-panel greeting card body, and a moveable object which is attached to the molded track through an opening in one or more of the greeting card panels. The moveable object is operative to move from one end of the molded track to the opposite end of the molded track whereby playback of a pre-recorded digital audio file is initiated.
07/24/14
20140207445
System and method for correcting for lost data in a digital audio signal
In an embodiment, a method of receiving a digital audio signal, using a processor, includes generating a high band time domain signal; generating low band time domain signal; estimating an energy ratio between the high band and the low band from a last good frame; keeping the energy ratio for following frame-erased frames by applying an energy correction scaling gain to a high band signal segment by segment in the time domain; and combining the low band signal and the high band signal into a final output.. .
07/24/14
20140207265
Systems and methods for dynamic audio processing
Systems and methods presented herein may provide for processing audio with increased loudness and dynamics. A first clock frequency associated with a digital audio file may be increased to a second clock frequency, which speeds up the playback of the audio.
07/24/14
20140204722
System and method for controlling a digital audio source
An apparatus for signal processing, wherein a disc is placed on a turntable and is provided with a groove which can be followed by the pick-up element, and employing a time-code signal wherein during use of the disc the said time-code signal controls the digital audio source.. .
07/10/14
20140191945
Electronic device and method for adjusting display screen
In a method for adjusting a display screen of an electronic device, the method receives analog audio signals of a user, transforms the analog audio signals to digital audio signals, detects a first control command including first rotation directions and first rotation angles of the display screen from the digital audio signals, and rotates the display screen according to the first rotation directions and the first rotation angles. The method further obtains second rotation angles of the display screen detected by a gravity sensor of the electronic device, and stops rotating the display screen when the second rotation angles are equal to the first rotation angles..
07/03/14
20140188489
Method and apparatus for frame-based buffer control in a communication system
A method and apparatus are disclosed for controlling a buffer in a digital audio broadcasting (dab) communication system. The decoder buffer level limits are specified in terms of a maximum number of encoded frames (or duration).
07/03/14
20140185835
One-bit digital-to-analog converter offset cancellation
There is described audio driver circuit comprising a main, 1-bit digital-to-analog converter, adapted to receive a 1-bit oversampled digital audio signal. Thanks to an auxiliary digital-to-analog converter which converts into the analog domain a digital offset compensation value stored in e.g.
07/03/14
20140185831
Volume control method and system
In a volume control method applied to an audio processing system, firstly, a digital audio stream including a plurality of digital audio packets is received from a transmitter. It is determined whether an excitation signal is detected.
07/03/14
20140185828
Ambient audio injection
An exemplary system comprises a device including a memory with an audio injection application installed thereon. The application comprises an equalizer module that analyzes sound characteristics of individual digital audio samples including a discrete signal, a selector module that applies a selection heuristic to select the discrete signal from the individual digital audio samples based on the sound characteristics, and an audio module that supplies to an output an insert signal generated according to the discrete signal selected by the selection heuristic..
06/26/14
20140181338
System and method for audio pass-through between multiple host computing devices
A digital audio pass-through device capable of connecting multiple host computing devices is described. The digital audio pass-through device allows computing devices such as personal computers (mac or pc), tablets, and smart phones to share high quality digital audio data streams with one another via usb connections.
06/26/14
20140177680
Wireless link to transmit digital audio data between devices in a manner controlled dynamically to adapt to variable wireless error rates
A communication system including a host transceiver, one or many device transceivers, and a wireless or wired link, in which encoded digital audio data and optionally also other auxiliary data are transmitted and received between the host transceiver and one or many device transceivers. The wireless link can but need not be a certified wireless usb (“cwusb”) link, which utilizes wimedia ultra-wideband (“uwb”) radio technology.
06/19/14
20140172422
Secured audio channel for voice communication
A security device for hindering data theft and data leaks via audio channel of a computer system is based on passing the audio signals through a coding vocoder that receives input audio signal from a computer and compressing the signal to a low bit-rate digital data indicative of human speech; and a decoding vocoder that decompress the digital data back to a secure audio signal. The data transfer of the protected audio channel is intentionally limited not to exceed the bit-rate needed to carry vocoder-compressed human speech which is well below the capabilities of unprotected audio channel.
06/19/14
20140169591
Digital switching signal sequence for switching purposes, apparatus for including said digital switching signal sequence in a digital audio information signal, and apparatus for receiving the information signal provided with the switching signal sequence
A digital switching signal sequence is realized as a previously digitized, high-pass filtered white noise signal of a predetermined length t, with a high-pass cut-off frequency which lies above the frequency where the loudness threshold characteristic in silence of the human hearing has its highest sensitivity, if possible. The switching signal sequence is employed for switching purposes (206), e.g., for switching between two information signals (201, 207)..
06/12/14
20140165010
Digital audio communication system with improved interface
Embodiments of the present invention allow users to post or publish audio information to a destination on a digital network. A particular embodiment provides a user interface for recording and uploading a short comment, remark, song segment, sound effect or any other audio portion.
06/12/14
20140161279
Creation of sub-sample delays in digital audio
A multi-channel audio system that can provide a variable sub-sample delay between two or more audio channels. In one embodiment, a variable timing clock generator generates multiple clock signals where each may have different phase, and the clock generator can vary the phase difference, in accordance with a sub-sample delay setting input.
06/05/14
20140156045
Digital audio communication system
Embodiments of the present invention allow users to post or publish audio information to a destination on a digital network. A particular embodiment provides a user interface for recording and uploading a short comment, remark, song segment, sound effect or any other audio portion.
06/05/14
20140153758
Hearing device with analog filtering and associated method
A hearing device includes: a microphone for converting audio into an audio signal; a preprocessing unit for analog processing of the audio signal and having an input and an output, wherein the input is connected to an output of the microphone; an a/d converter for converting the processed analog audio signal into a digital audio signal, the a/d converter having an input and an output, wherein the input of the a/d converter is connected to the output of the preprocessing unit; and a processing unit for digital processing of an output from the a/d converter, wherein the processing unit is connected to the preprocessing unit, and is configured to apply a first transfer function to the audio signal in a first mode of operation, or a second transfer function with a cutoff frequency to the audio signal in a second mode of operation, depending on a control signal.. .


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Digital Audio topics: Digital Audio, Motor Module, Transmitter, Quantization, Signal Processing, Audio Signal Processing, Radio Transmission, Ion Source, Audio Signals, Navigation, Mobile Receiver, File Transfer, Transducer, Io Processor, Duty Cycle

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