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Searching: audio signal





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Patent # Description
US-9,647,620 Electronic device and integrated circuit comprising a gain control module and method therefor
A method for controlling a gain applied to an audio signal. The method comprises applying a gain step to a gain setting at defined time intervals, and upon...
US-9,647,617 Method for delivering a duty cycle limited signal to a speaker using a class D amplifier
A multi-channel Class D audio amplifier is provided to substantially reduce channel-to-channel crosstalk by employing in each channel a local triangle ramp...
US-9,647,462 Hearing instrument comprising a rechargeable power source
A hearing instrument having an audio signal source for providing for audio signals; an audio signal processing unit for processing said audio signals; a unit to...
US-9,647,332 Electronic device antenna with interference mitigation circuitry
An electronic device may be provided with an antenna. The antenna may have an antenna resonating element and an antenna ground. The antenna resonating element...
US-9,646,634 Low-rank hidden input layer for speech recognition neural network
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for training a deep neural network. One of the methods for...
US-9,646,633 Method and device for processing audio signals
Method and device of processing audio signals are disclosed. The method includes: obtaining a set of data, the set of data comprising LSP parameters for an...
US-9,646,632 Time warp activation signal provider, audio signal encoder, method for providing a time warp activation signal,...
An audio encoder has a window function controller, a windower, a time warper with a final quality check functionality, a time/frequency converter, a TNS stage...
US-9,646,631 Audio signal processing apparatus and method thereof
An audio signal in which a first audio component and a second audio component are mixed is inputted. The audio signal is transformed into a time-frequency...
US-9,646,628 Noise cancellation for open microphone mode
A system has multiple audio-enabled devices that communicate with one another over an open microphone mode of communication. When a user says a trigger word,...
US-9,646,626 System and method for network bandwidth management for adjusting audio quality
Disclosed herein are systems, methods, and computer-readable storage devices for processing audio signals. An example system configured to practice the method...
US-9,646,624 Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded...
An audio encoder has a low frequency encoder which encodes a low frequency portion of the input audio information to obtain an encoded representation of the low...
US-9,646,622 System and method for non-destructively normalizing loudness of audio signals within portable devices
Many portable playback devices cannot decode and playback encoded audio content having wide bandwidth and wide dynamic range with consistent loudness and...
US-9,646,620 Method and device for processing audio signal
The present invention relates to a method and device for encoding or decoding an object audio signal or rendering the object audio signal in a three-dimensional...
US-9,646,619 Coding of multichannel audio content
There are provided decoding and encoding methods for encoding and decoding of multichannel audio content for playback on a speaker configuration with N...
US-9,646,617 Method and device of extracting sound source acoustic image body in 3D space
The invention provides a method and device of extracting a sound source acoustic image body in 3D space. The method includes: determining a spatial position of...
US-9,646,616 System and method for audio coding and decoding
In accordance with an embodiment, a method of generating an encoded audio signal, the method includes estimating a time-frequency energy of an input audio...
US-9,646,615 Audio signal encoding employing interchannel and temporal redundancy reduction
A method of encoding a time-domain audio signal is presented. A device transforms the time-domain signal into a frequency-domain signal including a sequence of...
US-9,646,610 Method and apparatus for activating a particular wireless communication device to accept speech and/or voice...
An apparatus, method, and computer program for initiating a word spotting algorithm (220) on one or more wireless communication devices in a first power mode to...
US-9,646,607 Managing wake-on-voice buffer quality based on system boot profiling
Systems and methods for managing wake-on-voice buffer quality based on system boot profiling. In an illustrative, non-limiting embodiment, an Information...
US-9,646,598 Audio device
An audio device connected to an electronic device is provided. The audio device connected to an electronic device includes an audio side connector comprising a...
US-9,646,595 Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices
A personal audio device, such as a wireless telephone, includes an adaptive noise canceling (ANC) circuit that adaptively generates an anti-noise signal from a...
US-9,646,592 Audio signal analysis
An apparatus comprises a dereverberation module for generating a dereverberated audio signal based on an original audio signal containing reverberation, and an...
US-9,645,648 Audio computer system for interacting within a virtual reality environment
A computer system comprising a headset configured to sit on top of a user's head. The headset includes a microphone and a headset haptic device. The headset is...
US-9,643,007 Utilization of different loudness encoding schemes in cochlear implant systems
An exemplary sound processor included in a cochlear implant system associated with a patient may 1) identify a loudness level of an audio signal presented to...
US-9,641,157 Method and device for filtering during a change in an ARMA filter
A method and device are provided for filtering digital audio signals using at least one ARMA filter, particularly during a filter change. The method includes...
US-RE46,388 Audio coding/decoding method and apparatus using excess quantization information
There is provided an audio coding device which appropriately sets the quantization bit number by a small calculation amount in each stage when coding an input...
US-9,635,469 Automatic real-time hearing aid fitting based on auditory evoked potentials
A hearing aid includes at least one electrode located at a surface of a housing of the hearing aid to allow the electrodes to contact the skin of a user during...
US-9,635,466 Parametric in-ear impedance matching device
An ultrasonic audio transducer system includes an ultrasonic speaker. The ultrasonic speaker may be an electrostatic emitter, a piezoelectric emitter (single...
US-9,634,739 Wireless communication system and method thereof
The present invention relates to a wireless communication system and a method thereof. The wireless communication system comprises a signal encoding module for...
US-9,633,673 Accurate forward SNR estimation based on MMSE speech probability presence
Acoustic noise in an audio signal is reduced by calculating a speech probability presence (SPP) factor using minimum mean square error (MMSE). The SPP factor,...
US-9,633,663 Apparatus, method and computer program for avoiding clipping artefacts
An audio encoding apparatus includes an encoder for encoding a time segment of an input audio signal to be encoded to obtain a corresponding encoded signal...
US-9,633,661 Speech-responsive portable speaker
A portable music device may operate in response to user speech. In situations in which the music device is operating primarily from battery power, a...
US-9,633,646 Oversight control of an adaptive noise canceler in a personal audio device
A personal audio device, such as a wireless telephone, includes an adaptive noise canceling (ANC) circuit that adaptively generates an anti-noise signal from a...
US-9,632,747 Tracking recitation of text
For tracking a recitation of text, a method is disclosed that includes displaying, by use of a processor, a segment of text, receiving an audio signal, and...
US-9,632,586 Audio driver user interface
A method for an audio driver user interface comprising: capturing at least two audio signals (1 1, 14, 101); determining a trajectory of an audio source from...
US-9,628,913 Support stand and wireless speaker system for tablet computing device
A combination support stand and speaker system is provided for supporting a portable electronic device, such as a tablet computing device, a smart phone, or a...
US-9,628,912 Audio filters utilizing sine functions
A method of digitally filtering an audio signal using an adjusted audio filter. The adjusted audio filter is represented by an impulse response including a...
US-9,626,986 Estimation of background noise in audio signals
The invention relates to a background noise estimator and a method therein, for supporting sound activity detection in an audio signal segment. The method...
US-9,626,845 Providing information to a user through somatosensory feedback
A hearing device may provide hearing-to-touch sensory substitution as a therapeutic approach to deafness. Through use of signal processing on received signals,...
US-9,621,976 Glasses apparatus for 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...
US-9,620,148 Systems, vehicles, and methods for limiting speech-based access to an audio metadata database
Systems, vehicles, and methods for limiting speech-based access to an audio metadata database are described herein. Audio metadata databases described herein...
US-9,620,145 Context-dependent state tying using a neural network
The technology described herein can be embodied in a method that includes receiving an audio signal encoding a portion of an utterance, and providing, to a...
US-9,619,980 Systems and methods for generating haptic effects associated with audio signals
Systems and methods for generating haptic effects associated with audio signals are disclosed. One disclosed system for outputting haptic effects includes a...
US-9,619,201 Eyewear with detachable adjustable electronics module
A detachable adjustable electronics module may be removably or permanently connected to eyewear. The module may include electronics for processing audio and/or...
US-9,615,800 Evidence based interactive monitoring device and method
A method for issuing an alert which includes the following steps:--carry out an R analysis on two or more physiological variable inputs;--carry out an N...
US-9,615,191 Audio signal processing method for out-of-phase attenuation of shared enclosure volume loudspeaker systems and...
An audio signal processing apparatus configured to process a plurality of audio signals of a shared-volume stereo system is provided. The audio signal...
US-9,615,188 Sound stage controller for a near-field speaker-based audio system
Signals in an automobile audio system having at least two near-field speakers located close to an intended position of a listener's head are adjusted such that...
US-9,615,187 Audio signal verification for video/audio production equipment
Audio signal verification methods and apparatus for video/audio production equipment are disclosed. An audio signal and a video signal are input into production...
US-9,615,185 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...
US-9,615,180 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...
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