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Searching: audio signal
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| Patent # | Description |
|---|---|
| US-8,620,660 |
Very low bit rate signal coder and decoder Improved oscillator-based source modeling methods for estimating model parameters, for evaluating model quality for restoring the input from the model... |
| US-8,620,653 |
Mute control in audio endpoints Architecture that uses near-end speech detection and far-end energy level detection to notify a user when a local microphone and/or speaker that the user is... |
| US-8,620,648 |
Audio encoding device and audio encoding method An audio encoding device which can improve encoding performance while performing division search on an algebraic codebook in an audio encoding. In a distortion... |
| US-8,620,646 |
System and method for tracking sound pitch across an audio signal using
harmonic envelope 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-8,620,645 |
Non-causal postfilter A decoder arrangement comprising a receiver input for parameters of frame-based coded signals and a decoder arranged to provide frames of decoded audio signals... |
| US-8,620,644 |
Encoder-assisted frame loss concealment techniques for audio coding Encoder-assisted frame loss concealment (FLC) techniques for decoding audio signals are described. A decoder may discard an erroneous frame of an audio signal... |
| 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... |
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