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Searching: audio signal





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Patent # Description
US-8,620,626 Comparison of data signals using characteristic electronic thumbprints extracted therefrom
A characteristic thumbprint is extracted from a data signal, the thumbprint based on statistics relating to the data signal. The data signal can be compared...
US-8,620,466 Method for determining a point in time within an audio signal
A method for determining a point in time within an audio signal, the audio signal having been transmitted from a broadcast station to a client and to a server,...
US-8,620,389 Voice control of multimedia and communications devices
A method for operating a communications device can include receiving a plurality of spoken commands uttered by a user, the plurality of spoken commands...
US-8,620,268 Secure system for programming electronically controlled locking devices by means of encrypted acoustic...
The invention relates to a system implementing a mobile telephone (20) to which a master user authorized to program a lock (22) has access. A remote management...
US-8,620,207 System, method and apparatus for distributed content dissemination
A wireless cellular or other device to control distribution and presentation of audio, video, or combined audio and video content transmitted from a content...
US-8,620,134 Video and audio reproducing apparatus and video and audio reproducing method for reproducing video images and...
Upon receipt of an MPEG stream, a time information converter modifies the PTSs of the audio data in the stream so that the timing for outputting the audio sound...
US-8,620,133 Audio amplifier
There is provided an audio amplifier, including: an AV signal acquisition unit that acquires an AV signal; a television connection unit to which a television...
US-8,620,013 Communication system and hearing device
A communication system has a wireless transmitter and a wireless receiver. The transmitter is built into a hearing device to be worn at one or both ears of an...
US-8,620,012 Apparatus and method for providing stereo effect in portable terminal
An apparatus and a method for providing a stereo effect when playing an audio file at a portable terminal are provided. The apparatus includes a component...
US-8,620,008 Method and an apparatus for processing an audio signal
An apparatus for processing an audio signal and method thereof, comprising receiving a downmix signal comprising at least one normal object signal, and...
US-8,620,004 Electronic device, electronic system, and method for processing signals from an audio accessory thereof
An electronic device includes an audio jack, a power supply unit, a determining circuit, and an executing circuit. The audio jack may be arranged for...
US-8,620,003 Embedded audio system in distributed acoustic sources
The invention converts non audio systems into distributed audio sources for active noise control solutions. The system transforms non acoustic structures into...
US-8,620,000 Apparatus and method for controlling audio output, and mobile terminal system using the same
An audio output controlling apparatus and method, and a mobile terminal system using the same control settings of an audio out port according to whether an...
US-8,619,999 Audio decoding method and apparatus
A decoded sound analysis unit (104) calculates, regarding the frequency-region stereo signals L(b) and R(b) decoded by the PS decoding unit (103), a second...
US-8,619,998 Spatial audio enhancement processing method and apparatus
The present invention describes techniques that can be used to provide novel methods of spatial audio rendering using adapted M-S matrix shuffler topologies....
US-8,619,996 Apparatus and method for transmitting digital multimedia broadcasting data, and method and apparatus for...
Provided are a method and apparatus for transmitting digital multimedia broadcasting data, and a method and apparatus for receiving digital multimedia...
US-8,619,963 Conference call system, method, and computer program product
A conference call system comprises an input interface for receiving during a conference call at least two input streams of audio signal, each from another...
US-8,619,950 Video and digital audio transport
A video and digital audio transport system transports high resolution computer, video, computer video graphics and other video signals, as well as multiple...
US-8,618,954 Mobile FLOW readout and mobile FLOW sequencer features
An invention regarding traffic management is disclosed. A system that tells motorist how fast to go in order to make it through a traffic signal while it is...
US-8,618,403 Tone control apparatus
When a signal representing a first set value or more is received from a detecting section, a determination is made whether a boost value is a predetermined...
US-8,618,402 Musical harmony generation from polyphonic audio signals
Melody and accompaniment audio signals are received and processed to identify one or more harmony notes and a harmony signal is produced based on the one or...
US-8,618,401 Information processing apparatus, melody line extraction method, bass line extraction method, and program
An information processing apparatus is provided which includes a signal conversion unit for converting an audio signal to a pitch signal indicating a signal...
US-8,615,783 Video sending apparatus and caption replacing method
A reception processor converts an MXF file to internal content data pieces, and converts replacement caption data to internal caption data pieces and then...
US-8,615,394 Restoration of noise-reduced speech
Disclosed are methods and corresponding systems for audio processing of audio signals after applying a noise reduction procedure such as noise cancellation...
US-8,615,392 Systems and methods for producing an acoustic field having a target spatial pattern
The present technology provides a sophisticated level of control of the spatial pattern of an acoustic field which can overcome or substantially alleviate...
US-8,615,391 Method and apparatus to extract important spectral component from audio signal and low bit-rate audio signal...
An method and apparatus to extract an audio signal having an important spectral component (ISC) and a low bit-rate audio signal coding/decoding method using the...
US-8,615,390 Low-delay transform coding using weighting windows
The invention relates to transform coding/decoding of a digital audio signal represented by a succession of frames, using windows of different lengths. For the...
US-8,615,316 Method and an apparatus for processing an audio signal
An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes receiving the audio signal and preset information;...
US-8,615,095 Automatic volume control for audio signals
A technique is provided for automatically adjusting the volume, or magnitude, of an audio signal. The technique includes calculating an average power associated...
US-8,615,094 Automatic level control circuit
A variable gain amplifier amplifies an input audio signal. A first control unit monitors the level of the input audio signal, and sets the gain of the variable...
US-8,615,093 Apparatus and method for processing audio signal
An apparatus for processing an audio input signal is provided and includes an audio processing circuit and an audio compressing circuit. The audio processing...
US-8,615,091 System for accomplishing bi-directional audio data and control communications
A system for accomplishing bi-directional digital audio data and control communications. There is a host end that includes a host transceiver, a host digital...
US-8,615,088 Method and an apparatus for processing an audio signal using preset matrix for controlling gain or panning
An apparatus for processing an audio signal and method thereof are disclosed. The present invention includes an audio signal receiving unit receiving the audio...
US-8,614,734 Techniques for detecting a display device
Techniques to detect a display device are described. An apparatus may include a video camera operative to receive video information for an image, and a...
US-8,614,632 Method of and apparatus for controlling a source of light in accordance in a source of sound
This device, by its organization and operation, processes sound, usually music. It provides output voltages, for driving lights, which is proportionally...
US-8,612,239 Apparatus and method for coding audio data based on input signal distribution characteristics of each channel
Provided is an audio coding apparatus and method that can selectively apply a operation mode of a coding module for stereo or multi-channel representation...
US-8,612,238 Apparatus and method for encoding/decoding signal
An encoding method and apparatus and a decoding method and apparatus are provided. The decoding method includes extracting a three-dimensional (3D) down-mix...
US-8,612,237 Method and apparatus for determining audio spatial quality
Techniques for evaluating the audio quality of an audio test signal are disclosed. These techniques provide a quality analysis that takes into account spatial...
US-8,612,236 Method and device for noise suppression in a decoded audio signal
In one aspect, a noise suppression process for a decoded signal comprising a first decoded signal portion and a second decoded signal portion is provided. A...
US-8,612,220 Quantization after linear transformation combining the audio signals of a sound scene, and related coder
The invention relates to a method for quantifying components, wherein certain components are each determined based on a plurality of audio signals and can be...
US-8,612,217 Method and system for noise reduction
Techniques pertaining to noise reduction are disclosed. According to one aspect of the present invention, noise in an audio signal is effectively reduced and a...
US-8,612,216 Method and arrangements for audio signal encoding
To form an audio signal, frequency components of the audio signal which are allotted to a first subband are formed by means of a subband decoder using supplied...
US-8,612,215 Method and apparatus to extract important frequency component of audio signal and method and apparatus to...
A method and apparatus to extract an important frequency component of an audio signal and a method and apparatus to encode and/or decode an audio signal by...
US-8,612,214 Apparatus and a method for generating bandwidth extension output data
An apparatus for generating bandwidth extension output data for an audio signal has a noise floor measurer, a signal energy characterizer and a processor. The...
US-8,612,034 Printed circuit board
A printed circuit board includes a first signal layer, a first ground layer, a second signal layer, a power layer, a second ground layer, and a third signal...
US-8,612,033 Method for executing menu in mobile terminal and mobile terminal thereof
A method for executing a menu in a mobile terminal and a mobile terminal thereof are disclosed, wherein the method includes displaying a first screen on a...
US-8,611,589 Method and apparatus for embedding auxiliary information within original data
This patent application is generally related to watermarking and steganography. One claim recites a method of transmarking an audio or video signal previously...
US-8,611,583 Compact coaxial crossover-free loudspeaker
A loudspeaker assembly that converts electrical signal into sound waves in the full spectral range of an audio voltage. The loudspeaker assembly includes: a...
US-8,611,561 First stage audio amplifier with clamping circuit
An external audio signal is input to an input terminal which is connected to the first terminal of a first resistor. The first terminal of a second resistor is...
US-8,611,557 Method and apparatus for audio processing
A method and apparatus for introducing a time-varying time delay randomly into the individual reproduction channels of a sound recording, two in the case of...
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