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Searching: audio signal





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Patent # Description
US-9,232,319 Systems and methods for audio processing
Systems and methods for audio signal processing are disclosed, where a discrete number of simple digital filters are generated for particular portions of an...
US-9,232,317 Parametric transducer with graphene conductive surface
An ultrasonic audio speaker includes an emitter and a driver. The emitter can include a first layer having a conductive surface; a second layer having a...
US-9,232,312 Multi-channel audio enhancement system
A method for processing audio signals can include receiving left and right front audio signals and left and right rear audio signals, where the left and right...
US-9,232,311 Method for processing an audio signal with modeling of the overall response of the electrodynamic loudspeaker
The method comprises the determination of an observation vector that comprises only electrical measurements of the voltage (U.sub.mes) at the loudspeaker...
US-9,232,310 Methods, apparatuses and computer program products for facilitating directional audio capture with multiple...
An apparatus for providing directional audio capture may include a processor and memory storing executable computer program code that cause the apparatus to at...
US-9,232,309 Microphone array processing system
An audio system is provided that employs time-frequency analysis and/or synthesis techniques for processing audio obtained from a microphone array. These...
US-9,232,305 Acoustic transducer
This invention relates to acoustic drivers with stationary and moving coils. Time varying signals are applied to the moving and stationary coils to control the...
US-9,232,247 System and method for correlating audio and/or images presented to a user with facial characteristics and...
A computer includes at least one processor and at least one computer readable storage medium accessible to the processor. The medium bears instructions...
US-9,232,185 Audio conferencing system for all-in-one displays
A conferencing system may comprise an electronic display configured to display remote video generated within a remote conference room, a speaker configured to...
US-9,232,183 System and method for providing separate communication zones in a large format videoconference
A system that incorporates the subject disclosure performs, for example, displaying a video image of a remote scene at a display surface, wherein the remote...
US-9,232,115 Audio playing scheme for digital billboard system
Technologies are generally described for an audio playing scheme for digital billboard systems. In some examples, a method performed under control of a server...
US-9,232,071 Optimizing audio processing functions by dynamically compensating for variable distances between speaker(s) and...
Mobile communication devices, having multiple speakers and/or microphones to perform a number of audio functions, for use with mobile devices, are provided. The...
US-9,232,039 Audio playback system
An audio playback system includes a handheld device and a digital stereo set. By the handheld device, a control message is converted into a pulse signal....
US-9,231,720 Interface circuit for transmitting and receiving digital signals between devices
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-9,231,544 AGC circuit for an echo cancelling circuit
An amplifier circuit and a method of amplification using automatic gain control (AGC) are disclosed. A method for reducing distortions incurred by an audio...
US-9,231,543 Audio power amplification with reduced input power supply crest factor
A power converter has an output that is coupled in parallel with an energy reservoir circuit and a power supply node of an audio power amplifier. The converter...
US-9,230,558 Device and method for manipulating an audio signal having a transient event
A signal manipulator for manipulating an audio signal having a transient event may have a transient remover, a signal processor and a signal inserter for...
US-9,230,557 Apparatus, method and computer program for manipulating an audio signal comprising a transient event
An apparatus for manipulating an audio signal comprising a transient event has a transient signal replacer configured to replace a transient signal portion,...
US-9,230,555 Apparatus and method for generating an output audio data signal
An apparatus receives an input encoded audio data signal comprising a base layer and at least one enhancement layer. A reference unit (103) generates reference...
US-9,230,552 Advanced encoding of music files
A system for the playback of content files includes a memory storing a content file including a plurality of stems, each stem encoding a portion of the audio of...
US-9,230,551 Audio encoder or decoder apparatus
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-9,230,532 Power management of adaptive noise cancellation (ANC) 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 an...
US-9,230,143 Bidirectional audio communication in reader devices
Aspects of the subject disclosure provide a card reader for receiving payment card information at a mobile point-of-sale terminal. In some implementations, a...
US-9,230,018 Mobile audio player with individualized radio program
The present invention relates to a mobile audio player, comprising memory means adapted to store music data and non-music data, input means adapted to receive a...
US-9,227,060 Systems and methods of facilitating manual adjustment of one or more cochlear implant system control parameters
An exemplary system includes a sound processing unit configured to apply noise reduction to an audio signal in accordance with a noise reduction parameter, an...
US-9,227,059 Methods and apparatus for cochlear implant signal processing
An exemplary speech processor configured to be used in a cochlear implant system includes signal processing circuitry that 1) separates an incoming audio signal...
US-9,227,057 Method of remote monitoring and modulation of medical apparatus
A method of remotely programming a cochlear implant comprises, at a remote patient location attendable by a patient, operatively coupling the cochlear implant...
US-9,219,880 Video conference window activator
A method for activating a video conference between at least one local watcher using a local communication enabled device and at least one remote watcher using a...
US-9,219,807 Wireless audio communications device, system and method
A wireless plug-in repeater is disclosed, having an audio plug shaped to mate with an analog audio output port of a cellular mobile device and configured to...
US-9,219,773 Method of measuring call delay time
A method of measuring a call delay time by synchronizing times of a replaying part and a recording part in a call delay time measuring device using an...
US-9,219,573 System and method for recovering audio PDU transport elements in digital radio broadcast receiver
A method and apparatus are provided for recovering audio packet location fields and/or frame boundary information from a received digital radio broadcast signal...
US-9,219,498 Method and device for arithmetic encoding or arithmetic decoding
The invention proposes a method and a device for arithmetic encoding of a current spectral coefficient using preceding spectral coefficients. Said preceding...
US-9,219,460 Audio settings based on environment
Embodiments described herein may involve dynamically adjusting the equalization of a playback device based on the environment in which the playback device is...
US-9,219,456 Correcting clock drift via embedded sin waves
Features are disclosed for measuring and correcting clock drift and propagation delay in an audio system through one or more waveforms embedded in an audio...
US-9,219,455 Peak detection when adapting a signal gain based on signal loudness
Various embodiments relate to a system for adapting a signal gain, which comprises a peak detector configured to receive an audio input signal containing...
US-9,219,418 Method and apparatus to reduce audio frequencies in a switching power supply
An example power supply regulator includes an energy transfer element, a switch, and a controller. The controller includes a switch signal generator, a...
US-9,218,844 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...
US-9,218,818 Efficient and scalable parametric stereo coding for low bitrate audio coding applications
The present invention provides improvements to prior art audio codecs that generate a stereo-illusion through post-processing of a received mono signal. These...
US-9,218,816 DAC device and audio system
In a DAC device, a distortion correction function g1(x) of a harmonic obtained from a result of a frequency analysis on an analog output signal of a DAC circuit...
US-9,215,653 Invoking network-based transcoding in response to threshold low battery power
Methods and systems are provided for conserving battery charge of a wireless communication device (WCD). A radio access network (RAN) and a WCD communicate with...
US-9,215,545 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-9,215,543 Microphone mute/unmute notification
A processing system can include a processor that includes circuitry. The circuitry can be configured to: receive far-end and near-end audio signals; detect...
US-9,215,541 Apparatus for detecting type of audio interface
An apparatus for detecting a type of an audio interface is disclosed. The apparatus comprises: an audio interface, comprising a pin 3 and a pin 4, in which one...
US-9,215,538 Method and apparatus for audio signal classification
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-9,215,537 Hearing aid and method of implanting a hearing aid
A hearing aid including a permanent magnet to be fixed at a patient's incus (26), an audio signal source (14), an audio signal processing unit (16) for...
US-9,215,535 Hearing assistance system and method
A hearing assistance system and method for wireless RF audio signal transmission from at least one audio signal source to ear level receivers, wherein a...
US-9,215,528 Flat panel electronic device and audio playing apparatus thereof
A flat panel electronic device and an audio playing apparatus thereof are provided. The audio playing apparatus comprises an audio generator, a plurality of...
US-9,215,519 Reduced footprint microphone system with spacer member having through-hole
A microphone system has a chip system coupled to a base. Among other things, the chip system includes a microphone chip and a circuit chip, in a stacked...
US-9,215,454 Testing system and method for audio/video processing function of audio/video playback apparatus
A testing system and a method thereof are provided. The testing system includes an audio/video playback apparatus and a testing apparatus. The audio/video...
US-9,215,428 Child-monitoring system
A child-monitoring system includes a parent unit and a child unit. The child-monitoring system is configured to communicate audio and video signals between the...
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