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Searching: audio signal





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Patent # Description
US-9,192,868 Audio animation system
In one aspect, the present invention is directed to a system for rendering audio animation, the system comprising: two or more non-biotic figures; an audio...
US-9,191,769 Method and a device for reproducing low frequency sound in a rectangular room
For reproducing sound in a rectangular room in association with a video playback screen (10), from audio signals of the kind comprising at least three main...
US-9,191,765 In-vehicle audio device
In a structure of an in-vehicle audio device, the audio system has an audio signal supplying section, an audio signal processing section, a balance adjustment...
US-9,191,764 Binaural audio signal-based applications
Applications for detecting binaural sounds and customizing binaural sounds for users. A system for detecting binaural sounds according to an embodiment...
US-9,191,755 Spatial enhancement mode for hearing aids
Described herein are techniques for artificially enhancing spaciousness in a hearing aid to improve the music listening experience. Such spatial enhancement is...
US-9,191,744 Intelligent ambient sound monitoring system
A system and method for interjecting ambient background sounds into a set of headphones is provided. The system monitors an ambient sound environment and...
US-9,191,743 Apparatus using missing fundamental frequencies to improve loudspeaker sound focusing
An apparatus for processing an audio signal to focus an acoustic signal by an arrangement of a plurality of loudspeakers comprises a frequency analyzer, a...
US-9,191,740 Method and apparatus for in-ear canal sound suppression
An earpiece (100) and acoustic management module for in-ear canal suppression control are provided. A method for suppressing signals for a conference call, a...
US-9,191,732 Headset with auxiliary input(s) for cell phone and/or other devices
An active-noise-reduction (ANR) headset includes at least one auxiliary connection to an output of at least one device, such as a personal communications,...
US-9,191,729 Earphone with adjustable-length cable
An earphone with adjustable-length cable includes a plugging section, a connecting cable and a receiving section. The plugging section has an attach-conductive...
US-9,191,728 Headphone power system using high frequency signal conversion
An apparatus and method for powering headphone electronics over a standard audio signal cable without interfering with the normal audio transmission or playback...
US-9,191,721 Networked audio/video system
A system for configuring an audio/video (AV) system includes a computing device having a processor to enable a user, with a user interface of the computing...
US-9,191,686 System and method of implementing synchronized audio and video streaming
A server comprises a processing unit configured to interlace audio data packets with video data to form an interlaced audio/video data file having an...
US-9,191,494 Device, system, and method for performing echo cancellation in different modes of a communication device
Methods and devices are disclosed for performing echo cancellation with a communication device for use by a hearing-impaired user. The communication device...
US-9,191,234 Enhanced communication bridge
An enhanced communication bridge includes a context interface that enables the audio bridge to learn information about the type of Voice encoder, device,...
US-9,191,232 Intelligent network communication device in an audio video distribution system
This disclosure describes an intelligent network communication device in an audio video distribution system that uses a local area network that includes a...
US-9,191,136 Interface circuit
A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a...
US-9,191,045 Prediction-based FM stereo radio noise reduction
The present document relates to audio signal processing, in particular to an apparatus and a corresponding method for improving the audio signal of an FM stereo...
US-9,190,973 Headphone amplifier
Aspects of the disclosure process an amplifier circuit. The amplifier circuit includes an input stage, an intermediate stage, an output stage and a detecting...
US-9,190,960 Audio power amplifier
Improvements to U.S. Pat. No. 5,428,642 including use of a single clock providing a first frequency to drive a power supply and a second frequency, twice the...
US-9,190,071 Noise suppression device, system, and method
A noise-suppression assembly of a mechanical drive system having a rotational frequency includes an audio filter unit configured to receive a first audio signal...
US-9,190,067 Efficient combined harmonic transposition
The present document relates to audio coding systems which make use of a harmonic transposition method for high frequency reconstruction (HFR), and to digital...
US-9,190,059 Electronic device and method for controlling power using voice recognition
An electronic apparatus and a power controlling method are provided. The electronic apparatus includes: a voice input unit which receives an audio input in a...
US-9,189,955 Remote control signaling using audio watermarks
A system for using a watermark embedded in an audio signal to remotely control a device. Various devices such as toys, computers, and appliances, equipped with...
US-9,189,664 Card reader and method of use thereof
An integrated circuit that communicates with a host device via audio channels includes an interfacing circuit that receives and transmits analog signals on the...
US-9,189,457 Method for distributing computing load in a data processing system
A method and an arrangement for distributing processor load in a data processing system while executing of block-based computing instructions, as well as a...
US-9,185,988 Solar wireless beach chair
An improvement for a collapsible beach chair includes an umbrella mechanism that has a rigid support post fixed with an expandable canopy. The canopy includes...
US-9,185,509 Apparatus for processing of audio signals
An apparatus comprising at least one processor and at least one memory including computer program code the at least one memory and the computer program code...
US-9,185,507 Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal...
Ambience signal components are obtained from source audio signals, matrix-decoded signal components are obtained from the source audio signals, and the ambience...
US-9,185,499 Binaural hearing aid with frequency unmasking
A hearing aid includes: at least one microphone for provision of at least one microphone audio signal in response to sound received at the at least one...
US-9,185,493 Method and apparatus for computing metric values for loudspeaker protection
Systems and methods thereof for obtaining metrics and an accurate threshold to prevent loudspeaker overheating, based on autocorrelation and cross-correlation...
US-9,185,492 Systems and methods for acousto-haptic speakers
The systems and methods described herein relate to, among other things, a transducer capable of producing acoustic and tactile stimulation. The transducer...
US-9,185,488 Control parameter dependent audio signal processing
Detection from sensors may be used to configure or modify the configuration of audio directional processing to improve user safety and/or communication by...
US-9,185,485 Methods and apparatus for processing audio signals
Various methods and apparatus for processing audio signals are disclosed herein. The assembly may be attached, adhered, or otherwise embedded into or upon a...
US-9,185,479 Microphone module and microphone system having the microphone module
Microphone systems having wireless microphones are often used in events such as discussions, concerts, plays, etc. and normally have a plurality of wireless...
US-9,185,439 Signaling data for multiplexing video components
A server may provide information describing characteristics of audio and video components to a client, separately from encoded samples of the audio and video...
US-9,185,361 Camera-based tracking and position determination for sporting events using event information and intelligence...
Position information of equipment at an event, such as a ball, one or more players, or other items in a game or sporting event, is used in selecting camera,...
US-9,185,083 Concealing data within encoded audio signals
A method and apparatus for concealing data to be transmitted within an environment. A sound frequency map is identified based on sounds detected within the...
US-9,184,858 Microphone system and method for selecting an operating frequency for a or said microphone system and computer...
Wireless microphones are used in a plurality of applications, such as concerts, discussions, theater performances, operas, etc. The wireless microphones are...
US-9,184,791 Selective adaptive audio cancellation algorithm configuration
Audio processing devices and methods. An ambient microphone picks up ambient sound and a voice microphone picks up a speaker's voice. The voice microphone is...
US-9,184,732 Apparatus and method for generating vibration based on sound characteristics
A method and apparatus for generating vibration based on sound characteristics in a mobile terminal are provided. The method includes converting audio data into...
US-9,184,708 Audio signal processing method and audio signal processing apparatus therefor
An audio signal processing apparatus and method are provided. The apparatus includes a stability determiner and a sigma-delta modulator. The stability...
US-9,184,705 Feedback mechanism for boost-on-demand amplifiers
A method and an amplifier for amplifying audio signals include a signal processor for processing incoming audio samples in preparation for amplification by an...
US-9,183,850 System and method for tracking sound pitch across an audio signal
A system and method may be configured to analyze audio information derived from an audio signal. The system and method may track sound pitch across the audio...
US-9,183,849 Audio matching with semantic audio recognition and report generation
System, apparatus and method for determining semantic information from audio, where incoming audio is sampled and processed to extract audio features, including...
US-9,183,845 Adjusting audio signals based on a specific frequency range associated with environmental noise characteristics
A first device obtains first audio from one or more microphones. The first device generates a first audio signal from the first audio. The first device analyzes...
US-9,183,840 Apparatus and method for measuring quality of audio
Disclosed herein is an apparatus and method for measuring quality of audio. The apparatus includes a distorted signal generation unit, an extraction unit, a...
US-9,183,839 Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal...
An apparatus for providing a set of spatial cues associated with an upmix audio signal having more than two channels on the basis of a two-channel microphone...
US-9,183,838 Digital audio transmitter and receiver
A method for increasing the fidelity of digitally encoded audio, for transmitting and receiving a signal comprising digitally encoded packets, and for...
US-9,183,825 Noise reduction apparatus
The noise reduction apparatus according to the present disclosure includes a plurality of loudspeakers, control sound signal generating units, and a plurality...
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