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Searching: audio signal





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Patent # Description
US-9,053,702 Systems, methods, apparatus, and computer-readable media for bit allocation for redundant transmission
Compressibility-based reallocation of initial bit allocations for frames of an audio signal is described. Applications to redundancy-based retransmission of...
US-9,053,700 Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
An apparatus for upmixing a downmix audio signal describing one or more downmix audio channels into an upmixed audio signal describing a plurality of upmixed...
US-9,053,697 Systems, methods, devices, apparatus, and computer program products for audio equalization
Methods and apparatus for generating an anti-noise signal and equalizing a reproduced audio signal (e.g., a far-end telephone signal) are described, wherein the...
US-9,052,991 System and method for audio sample rate conversion
A method for audio sample rate conversion may include receiving an audio signal at a first rate, the audio signal having a fundamental frequency, determining...
US-9,050,467 Compensation current optimization for cochlear implant systems
An exemplary system includes a sound processor configured to process one or more audio signals and an implantable cochlear stimulator configured to apply...
US-9,050,466 Fully implantable cochlear implant systems including optional external components and methods for using the same
An exemplary method includes 1) detecting, by an external module configured to be positioned external to and worn by a patient, an input audio signal presented...
US-9,049,766 Avoid audio noise of a LED driver during PWM dimming
A LED driver using a PWM signal for dimming control includes a power converter and a current regulator. The power converter provides an output voltage and a...
US-9,049,737 Multiplexing and demultiplexing radio channels
In one embodiment, a method and apparatus of multiplexing and demultiplexing radio channels includes receiving data through at least one multicast media channel...
US-9,049,534 Directionally radiating sound in a vehicle
An audio system for a vehicle includes a directional loudspeaker that is mounted to a vehicle seat. The directional loudspeaker radiates a first channel audio...
US-9,049,532 Apparatus and method for separating sound source
Disclosed are an apparatus and a method for separating sound sources capable of learning distributions of corresponding sound sources based on the assumption...
US-9,049,531 Method for dubbing microphone signals of a sound recording having a plurality of microphones
In order to compensate tonal changes arising from a multi-path propagation of sound portions during the mixing of multi microphone audio recordings as far as...
US-9,049,530 Multiple channel audio system supporting data channel replacement
An audio processing system is disclosed. The audio processing system may include a processor and a transmitter and may allow a surround sound system to utilize...
US-9,049,528 Optical electro-mechanical hearing devices with combined power and signal architectures
An audio signal transmission device includes a first light source and a second light source configured to emit a first wavelength of light and a second...
US-9,049,525 Hearing aid system and method of fitting a hearing aid system
A hearing aid system (100) comprises a hearing aid (102) and an external device (101). The hearing aid (102) has link means for providing a wireless link with...
US-9,049,524 Noise reduction in auditory prostheses
A method of processing audio signals for an auditory prosthesis is provided. The method includes a noise reduction step (22) and a later compression step (24)....
US-9,049,519 Acoustic horn gain managing
A horn loudspeaker with gain shading. The horn loudspeaker includes an acoustic horn. The acoustic horn includes side walls, for determining the horizontal...
US-9,049,515 Wireless communication device
A wearable wireless communication device is provided, including a behind-the-ear main electronics enclosure housing wireless communication electronics, a main...
US-9,049,476 Digital broadcast receiver and method for processing caption thereof
A digital cable broadcast receiver and a method for automatically processing caption data of various standards and types, is disclosed. The digital broadcast...
US-9,049,406 Methods, systems, and products for alternate audio sources
Audio and video signals are synchronized for pleasing presentation of content. As content is streamed to a device, an audio portion may lag or lead a video...
US-9,049,339 Method for operating a conference system and device for a conference system
A device for a conference system and method for operation thereof is provided. The device is configured to receive a first audio signal and a first identifier...
US-9,049,299 Using audio signals to identify when client devices are co-located
A technique manages an online meeting. The technique includes providing an audio output signal to a first client device currently participating in the online...
US-9,049,033 Information mixer and system control for attention management
Systems and methods for controlling various aspects of ensemble experiences and system control for attention management are disclosed. In one embodiment, a...
US-9,049,006 Systems, devices, and methods for securely transmitting a security parameter to a computing device
Embodiments of the systems, devices, and methods described herein generally facilitate the secure transmittal of security parameters. In accordance with at...
US-9,048,963 Conveying information using an audio signal
During a communication technique, an electronic device receives an audio signal from a remote electronic device, such as another electronic device that is...
US-9,048,961 Audio signal processing apparatus
An audio signal processing apparatus performs audio signal process composed of a plurality of channels each having parameters used in the audio signal process....
US-9,048,943 Low-power, noise insensitive communication channel using logarithmic detector amplifier (LDA) demodulator
A method is provided for communicating signals at a low power level in an electromagnetic interference (EMI) environment. A first device transmits a modulated...
US-9,048,942 Method and system for reducing interference and noise in speech signals
Interference in an audio signal is reduced by estimating a target signal using beam-forming in a direction of the signal source. A set of estimates of...
US-9,048,920 Method and apparatus for reducing FM audio artifacts in a receiver
An apparatus and method for reducing FM audio artifacts in a receiver are provided. A direct conversion radio frequency (RF) receiver converts an analog FM...
US-9,048,799 Method for enhancing low frequences in a digital audio signal
The method comprises the steps of: a) converting the digital audio signal (PCM) into a voltage signal (V.sub.E); b) first lowshelf filtering of fixed gain...
US-9,048,798 Gain control for a hearing aid with a facial movement detector
Methods, systems and devices are provided for controlling a hearing aid. Embodiments include receiving an input audio signal from a microphone. Also, a facial...
US-9,048,790 Method and apparatus for power reduction
Aspects of the disclosure provide an audio amplification system. The audio amplification system includes an amplifier configured to amplify an audio signal, and...
US-9,047,920 Multitrack recorder and mixdown method
An apparatus and a method for efficiently converting, by means of mixdown, audio signals recorded in multiple tracks into stereo signals. A plurality of audio...
US-9,047,876 Audio device
Disclosed is an audio device that plays back compressed audio signals that can be sufficiently comfortable to be audible even in a play back environment with...
US-9,047,875 Spectrum flatness control for bandwidth extension
In accordance with an embodiment, a method of decoding an encoded audio bitstream at a decoder includes receiving the audio bitstream, decoding a low band...
US-9,047,871 Real--time emotion tracking system
Devices, systems, methods, media, and programs for detecting an emotional state change in an audio signal are provided. A plurality of segments of the audio...
US-9,047,867 Systems and methods for concurrent signal recognition
Methods and systems for recognition of concurrent, superimposed, or otherwise overlapping signals are described. A Markov Selection Model is introduced that,...
US-9,047,865 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...
US-9,047,863 Systems, methods, apparatus, and computer-readable media for criticality threshold control
A method of audio signal processing is described. The method includes calculating a criticality measure based on information about a first frame of the audio...
US-9,047,862 Audio signal processing method, audio apparatus therefor, and electronic apparatus therefor
An audio apparatus including a decorrelator for generating decorrelated signals by applying a phase shifting value adjusted based on a correlation difference...
US-9,047,861 Electronic device for converting audio file format
An electronic device for converting a multi-channel audio file to a dual channel audio file and vice versa. The multichannel audio file includes a right channel...
US-9,047,859 Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
An apparatus for encoding an audio signal having a stream of audio samples has: a windower for applying a prediction coding analysis window to the stream of...
US-9,047,856 Method and apparatus for tone detection
A speech server and methods provide audio stream analysis for tone detection in addition to speech recognition to implement an accurate and efficient answering...
US-9,047,371 System and method for matching a query against a broadcast stream
A method for identifying with a broadcast stream. That method includes receiving one or more broadcast streams, from which it generates and stores an audio...
US-9,044,136 Wearable mini-size intelligent healthcare system
A system and method for the wearable mini-size intelligent healthcare system, comprising one or multiple vital signal sensors, activity sensors, a real-time...
US-9,043,834 Providing content responsive to multimedia signals
A method of providing information including providing a communication session of at least one of audio and video media and applying automatic recognition to...
US-9,043,823 Detecting and logging triggered events in a data stream
A method and apparatus for detecting triggering events in a data stream, comprising extracting audio portions from the data stream, detecting a sequence of one...
US-9,043,443 Real-time streaming media playing method
A real-time streaming media playing method is provided. According to the present invention, plural streaming data are stored in an electronic device, plural...
US-9,043,216 Audio signal decoder, time warp contour data provider, method and computer program
An audio signal decoder has a time warp contour calculator, a time warp contour data rescaler and a warp decoder. The time warp contour calculator is configured...
US-9,043,215 Multi-resolution switched audio encoding/decoding scheme
An audio encoder for encoding an audio signal has a first coding branch, the first coding branch comprising a first converter for converting a signal from a...
US-9,043,203 Audio encoder, audio decoder, methods for encoding and decoding an audio signal, and a computer program
An encoder for providing an audio stream on the basis of a transform-domain representation of an input audio signal includes a quantization error calculator...
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