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Searching: audio signal





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Patent # Description
US-7,963,807 Audio jack connector
Provided is an audio jack connector, including an insulating housing and a plurality of contacts. The insulating housing disposes a plurality of ...
US-7,963,717 Quick change locking coupler with condition sensor
A first tooling component is positively secured to a second tooling component by one or more quick change locking couplers each including a cylinder secured to...
US-7,962,855 Method of displaying an audio and/or video signal in a graphical user interface (GUI)
The present invention relates to a method of manipulating an audio and/or video signal in a graphical user interface (GUI). An audio and/or video signal...
US-7,962,835 Method and apparatus to update parameter of error frame
In a method and apparatus to conceal an error in an audio signal, when the current frame has no error and a past frame input prior to the current frame has an...
US-7,962,740 Method and apparatus for synchronizing audio and video in encrypted videoconferences
The invention provides a system that preserves the synchronization of the audio and video presented at a secure conferencing site without necessitating...
US-7,962,668 USB audio controller
A USB audio controller includes a USB interface unit, an audio interface unit, a storage interface unit, and a processing unit. The USB interface unit is used...
US-7,962,335 Robust decoder
Techniques and tools related to delayed or lost coded audio information are described. For example, a concealment technique for one or more missing frames is...
US-7,962,333 Method for high quality audio transcoding
A method and apparatus for a voice transcoder that converts a bitstream representing frames of data encoded according to a first voice compression standard to a...
US-7,962,332 Apparatus and method of encoding and decoding audio signal
In one embodiment, the method includes receiving an audio data frame having at least first and second channels. The first and second channels are independently...
US-7,962,330 Apparatus and method for automatic dissection of segmented audio signals
An apparatus for automatic dissection of segmented audio signals, wherein at least one information signal for identifying programs included in said audio...
US-7,962,090 Method and apparatus for satellite digital audio
A method and apparatus are provided for a first controlled device, such as a wireless local transmitter that accepts a plurality of digital audio signals and...
US-7,961,949 Extracting multiple identifiers from audio and video content
The disclosure concerns content identification, such as extracting identifying information from content itself. One combination described in the disclosure is a...
US-7,961,895 Audio interface device and method
The invention provides an audio interface device and method to acquire audio signal from either an analog or digital microphone through a common connector. The...
US-7,961,892 Apparatus and method for monitoring speaker cone displacement in an audio speaker
An apparatus for monitoring speaker cone displacement in an audio speaker includes: (a) an electromagnetic coil structure; (b) a ferrous core structure; the...
US-7,961,891 System and method of audio testing of acoustic devices
A system and method of testing the audio performance of an acoustic device is provided. To test a device microphone, an audio signal is generated, provided to...
US-7,961,890 Multi-channel hierarchical audio coding with compact side information
A parametric representation of a multi-channel audio signal describes the spatial properties of the audio signal well with compact side information when a...
US-7,961,889 Apparatus and method for processing multi-channel audio signal using space information
An apparatus for and a method of processing a multi-channel audio signal using space information. The apparatus includes: a main coding unit down mixing a...
US-7,961,888 Method and system for enhancing bass effect in audio signals
The quality of music output from audio systems is improved by simulating the effect of low frequency signals in the human ear. This thus allows listeners to...
US-7,961,881 Apparatus and methods for including codes in audio signals
Apparatus and methods for including a code having at least one code frequency component in an audio signal are provided. The abilities of various frequency...
US-7,961,792 Robust system for maintaining audio/video synchronization during playback of multimedia streams with no...
An apparatus having a first circuit, a second circuit and a third circuit. The first circuit may be configured to (i) demultiplex a multimedia stream having one...
US-7,961,571 Recording a digital signal on an information carrier comprising a first layer and a second layer
A recording method, particularly suitable for use in a digital video-camera, is described according to which a digital signal (10), deriving from the encoding...
US-7,961,255 Television functionality on a chip
A television on a chip (TVOC) system that provides a cost effective approach for providing television functionality on a single integrated circuit chip is...
US-7,960,640 Derivation of control signals from real-time overtone measurements
A system for control signal generation using detected dynamic characteristics of components of an incoming electronic signal. Fixed or adjustable bandpass...
US-7,957,977 Media program identification method and apparatus based on audio watermarking
The invention provides a method for obtaining related information about a media program containing an audio signal, comprising: embedding an audio watermark...
US-7,957,973 Audio signal interpolation method and device
An audio signal interpolation device comprises a spectral movement calculation unit which determines a spectral movement which is indicative of a difference in...
US-7,957,966 Apparatus, method, and program for sound quality correction based on identification of a speech signal and a...
According to one embodiment, a sound quality correction apparatus calculates various feature parameters for identifying the speech signal and the music signal...
US-7,957,960 Audio time scale modification using decimation-based synchronized overlap-add algorithm
A high-quality, low-complexity audio time scale modification (TSM) algorithm useful in speeding up or slowing down the playback of an encoded audio signal...
US-7,957,771 Hands-free conferencing apparatus and method for use with a wireless telephone
A hands-free teleconferencing apparatus for use with a wireless telephone for enabling multiple users to participate in a telephone call in a hands-free...
US-7,957,548 Hearing device with transfer function adjusted according to predetermined acoustic environments
A hearing device has an adjustable transfer function comprising M.gtoreq.1 sub-functions (M is an integer). A method for operating the hearing device includes...
US-7,957,544 Audio signal output control device that suppresses pop sound
The potential of a smoothing capacitor for a speaker is smoothly changed by controlling the potential with use of a PWM signal and switching between outputting...
US-7,957,542 Adaptive beamformer, sidelobe canceller, handsfree speech communication device
The adaptive beamformer unit (191) comprises: a filtered sum beamformer (107) arranged to process input audio signals (u 1, u2) from an array of respective...
US-7,957,538 Method and apparatus to decode audio matrix
A method of audio matrix decoding in which a moving sound image is restored includes decoding multichannel signals from stereo signals, extracting strengths and...
US-7,957,512 Source selection for conference bridges
The present invention provides an audio source selection process for a conference bridge. The conference bridge receives multiple audio sources and selects at...
US-7,957,243 Magnetic and optical rotating storage systems with audio monitoring
An integrated circuit (IC) for controlling a rotating data storage device comprises a drive module that is implemented by the integrated circuit and that at...
US-7,956,681 Class D amplifier having PWM circuit with look-up table
A class D amplifier includes a noise-shaping modulator, a pulse width modulator, and a pulse amplifier. The noise-shaping modulator receive a pulse code...
US-7,955,144 Banana plug with a body with a contact segment extended into an adjoining cage
The invention relates to an electrical plug connector, in particular a banana plug, having a base body (2) and having a contact pin (3) which is arranged on the...
US-7,954,126 Control system and user interface for network of input devices
Apparatus, methods, and systems for centrally and uniformly controlling the operation of a variety of devices, such as communication, consumer electronic,...
US-7,953,604 Shape and scale parameters for extended-band frequency coding
An audio encoder performs frequency extension coding that comprises determining one or more shape parameters using a displacement vector that corresponds to a...
US-7,953,595 Dual-transform coding of audio signals
Methods, devices, and systems for coding and decoding audio are disclosed. At least two transforms are applied on an audio signal, each with different transform...
US-7,953,491 Auto-referencing mixed-mode phase locked loop for audio playback applications
Audio streaming is made available throughout the signal processing path of the speech processor of a cochlear implant or other audio signal processor. Audio...
US-7,953,456 Acoustic echo reduction in mobile terminals
An electronic device includes first and second speakers, a microphone, and circuitry configured to generate first and second audio signals in response to a...
US-7,953,237 Method for operating a hearing aid device system for the binaural supply of a user
In a hearing aid device system with a hearing aid device which can be worn on or in the left ear of a user and a hearing aid device which can be worn on or in...
US-7,953,234 Audio signal output circuit and electronic apparatus outputting audio signal
A digital audio-signal output circuit is provided, which is capable of outputting an audio signal without generating pop noise. In suppressing pop noise, the...
US-7,953,196 Digital audio processing system and method
A method includes receiving first data corresponding to a first signal sampled at a first sample rate, decimating the first data to provide a second signal...
US-7,953,069 Device and method for estimating audiovisual quality impairment in packet networks
An audio and/or visual transmission quality device estimates transmission quality as perceived by a user based on observation and processing of objective...
US-7,952,961 Audio compass for motion tracking
A method for tracking motion using an audio compass is disclosed. The method comprises receiving motion sensor data indicating seismic activity recorded by at...
US-7,952,426 Digital audio amplifier and digital audio amplifying method therefor
A digital audio signal amplifier and a digital audio signal amplifying method provide safety and power efficiency by integrating a switching mode power supply...
US-7,952,412 Audio device using AC power clock reference
A clock generating apparatus for use in an electronic device, such as a radio or other audio device, which generates a clock signal based on an AC input signal...
US-7,952,014 Digital guitar system
A digital guitar system and method includes a digital guitar and a digital guitar interface device, and a method of converting a conventional guitar into a...
US-7,949,777 Communication protocol for controlling transfer of temporal data over a bus between devices in synchronization...
A communication protocol over the serial bus allows a peripheral device to control the flow of data between a host computer and the peripheral device so as to...
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