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Searching: audio signal





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Patent # Description
US-9,059,663 Audio output circuit, electronic device using the same, and audio integrated circuit
An audio output circuit for driving an electro-acoustic transducer includes first and second D-class amplifiers, a pulse modulator to receive an audio signal...
US-9,058,821 Computer-readable medium for recording audio signal processing estimating a selected frequency by comparison of...
A computer implemented method comprising: setting a plurality of frames on a time axis between a first waveform of an input to audio processing and a second...
US-9,058,820 Identifying speech portions of a sound model using various statistics thereof
Speech portions of a sound model may be identified using various statistics associated with the sound model for voice enhancement of noisy audio signals. A...
US-9,058,803 Multichannel audio stream compression
A method for compressing an audio stream, including a plurality of signals, describing a sound scene produced by a plurality of sources in a space, by:...
US-9,058,802 Audio encoder, method for providing output signal, bandwidth extension decoder, and method for providing...
An audio encoder for providing an output signal using an input audio signal includes a patch generator, a comparator and an output interface. The patch...
US-9,058,384 System and method for identification of highly-variable vocalizations
A system and method for identifying a bird vocalization is presented. An input audio signal representing the bird vocalization is captured. A fingerprint of the...
US-RE45,569 Volume control for audio signals
A motion picture soundtrack reproduction system has a center front soundtrack channel and a plurality of other soundtrack channels. A volume control adjusts the...
US-9,055,383 Multi channel bass management
A multi-channel audio system including first combining circuitry, for combining a first spectral band of a first plurality channels to provide a first bass...
US-9,055,382 Calibration of headphones to improve accuracy of recorded audio content
User headphones are calibrated in real time to improve the reproduction accuracy of recorded audio content. Microphones of a type used to record the audio...
US-9,055,377 Personal communication device with hearing support and method for providing the same
A personal communication device provides hearing support, and includes an input receiving an audio signal, a programmable processor, and an output outputting...
US-9,055,374 Method and system for determining an auditory pattern of an audio segment
A method and apparatus for determining an auditory pattern associated with an audio segment. An average intensity at each of a first plurality of detector...
US-9,055,365 Earbuds securable to users' outer ears and related headphone systems and methods
Earbud headphones may be configured to be secured to a user's outer ear. The earbud headphones may comprise a speaker assembly configured to convert an audio...
US-9,055,265 Accessibility improvement for hearing impaired
A television audio device has a multiple channel television audio system having provisions for providing multiple channel audio to a speaker system and multiple...
US-9,055,179 Audio video offset detector
Systems and methods of measuring a temporal offset between audio content and video content that employ audio fingerprints from an audio signal in the audio...
US-9,055,157 Sound control apparatus, program, and control method
An apparatus may include a hardware processor and a storage medium. The storage medium may be coupled to the processor, and may store instructions. When...
US-9,054,885 Campus audio-visual control and communication system
A method and system for distributing audio, visual, data, annunciator and other information within an educational facility utilizes a bit-wise addressing scheme...
US-9,054,743 Auto-pairing wireless audio/visual system
A method of auto-pairing a receiver/transmitter system for use with a vehicle having an operator portion and a transporting portion, the method including the...
US-9,054,662 Automatic audio signal level adjustment circuit
An automatic audio signal level adjustment circuit is capable of automatically adjusting a level of an input audio signal within a specific range. The automatic...
US-9,054,658 Power supply with rectifier protection
An apparatus for driving speakers includes user-configurable amplifier cells for driving selected speakers, a synchronous rectifier circuit, and a control...
US-9,054,463 Audio interface connector with ground lift, kit, system and method of use
In an audio system my balanced interface audio connector couples an audio driver device and an audio receiver device by means of a cable containing a pair of...
US-9,053,755 Method and apparatus for active noise shedding
A method for reducing audible noise in a vehicle audio component includes steps of: determining that the audio component is or is about to be operating in a...
US-9,053,711 Method of matching a digitized stream of audio signals to a known audio recording
A system and method matches a digitized stream of audio signals to a known audio recording by receiving an audio stream from an application. The method performs...
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...
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