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7533023 |
Intermediary speech processor in network environments transforming customized speech parameters
A speech processing system is provided for customizing speech parameters across speech applications in a networked environment. The speech processing system includes: a speech processing...
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7529659 |
Method and apparatus for identifying an unknown work
A system for determining an identity of a received work. The system receives audio data for an unknown work. The audio data is divided into segments. The system generates a signature of the unknown...
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7529658 |
Method for specifying equivalence of language grammars and automatically translating sentences in one language to sentences in another language in a computer environment
A method for specifying equivalence of language grammars and automatically translating sentences in one language to sentences in another language in a computer environment. The method uses a...
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7526394 |
Quality assessment tool
Non-intrusive speech quality assessment method and apparatus for: storing a sequence of intercepted packets associated with a call, each packet containing speech data, and an indication of a...
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7523039 |
Method for encoding digital audio using advanced psychoacoustic model and apparatus thereof
A digital audio encoding method using an advanced psychoacoustic model is provided. The audio encoding method including determining the type of a window according to the characteristic of an input...
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7519532 |
Transcoding EVRC to G.729ab
Transcoding from EVRC to G.729ab with LSP parameters interpolated from EVRC to G.729ab, EVRC pitch used as input to G.729ab closed-loop pitch search, and G.729ab fixed codebook pulses found from a...
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7516064 |
Adaptive hybrid transform for signal analysis and synthesis
Analysis and synthesis filter banks such as those used in audio and video coding systems are each implemented by a hybrid transform that comprises a primary transform in cascade with one or more...
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RE40691 |
Encoding decoding and compression of audio-type data using reference coefficients located within a band of coefficients
An audio type signal is encoded. The signal is first divided into bands. For each band, a yardstick signal element is selected. The yardstick may be the signal element having the largest magnitude...
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7512536 |
Efficient filter bank computation for audio coding
Low-complexity synthesis filter bank for MPEG audio decoding uses a factoring of the 64×32 matrixing for the inverse-quantized subband coefficients. Factoring into non-standard 4-point discrete...
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7505897 |
Generalized Lempel-Ziv compression for multimedia signals
The subject matter includes systems, engines, and methods for generalizing a class of Lempel-Ziv algorithms for lossy compression of multimedia. One implementation of the subject matter compresses...
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7500018 |
Efficient in-band signaling for discontinuous transmission and configuration changes in adaptive multi-rate communications systems
Techniques for discontinuous transmission (DTX) and fast in-band signaling of configuration changes and protocol messages in speech communications systems provide cost efficiency in terms of radio...
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7499852 |
Audio coding using a shape function
Coding ( 1 ) of an audio signal is provided including estimating ( 110 ) a position of a transient signal component in the audio signal, matching ( 111,112 ) a shape function on the transient...
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7496517 |
Method and device for generating a scalable data stream and method and device for decoding a scalable data stream with provision for a bit saving bank function
In a method for generating a scalable data stream from one or several blocks of output data of a first encoder and from one or several blocks of output data of a second encoder a determining data...
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7496502 |
Information providing system and method therefor
Upon attempting to display information consisting of large amounts of data on a display portion of a portable terminal, there existed a problem that long durations of time were required for...
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7490173 |
Method and multimode user interface for processing user inputs
The invention concerns a method and a multimode user interface for processing multimode user inputs, which are entered into a computer unit in various input modes within one specified application...
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7483836 |
Perceptual audio coding on a priority basis
The invention concerns audio coding methods and particularly relates to an efficient means by which selected frequency bands of information from an original audio signal which are audible but which...
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7480692 |
Computer communications using acoustic signals
A method of communicating with an electronic device. The method includes providing an electronic device having an audible sound receiving and generating sub-system including a microphone,...
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7478045 |
Method and device for characterizing a signal and method and device for producing an indexed signal
In a method for characterizing a signal representing an audio content a measure is determined for a tonality of the signal, whereupon a statement is made about the audio content of the signal on...
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7475014 |
Method and system for tracking signal sources with wrapped-phase hidden markov models
A method models trajectories of a signal source. Training signals generated by a signal source moving along known trajectories are acquired by each sensor in an array of sensors. Phase differences...
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7472056 |
Transcoder for speech codecs of different CELP type and method therefor
A transcoder for use between speech codecs using different Code-Excited Linear Prediction (CELP) type and a method therefor are disclosed. The transcoder includes a decoding unit of an input CELP...
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7469208 |
Method and apparatus for automatically normalizing a perceived volume level in a digitally encoded file
Automatically normalizing a perceived loudness for a digitally encoded audio track formed of a number of channels during playback on a multimedia asset player is described. A number of auditory...
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7464065 |
Object specific language extension interface for a multi-level data structure
A computerized method ( 300 ) and software product ( 200 ) is provided for querying and modifying a Multi-Level Data Structure ( 106 ) stored in a Text-to-Speech ( 100 ) engine of a data processing...
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7464027 |
Method and device for quantizing an information signal
Quantizing an information signal of a sequence of information values includes frequency-selective filtering the sequence of information values to obtain a sequence of filtered information values...
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7460990 |
Efficient coding of digital media spectral data using wide-sense perceptual similarity
Traditional audio encoders may conserve coding bit-rate by encoding fewer than all spectral coefficients, which can produce a blurry low-pass sound in the reconstruction. An audio encoder using...
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7460993 |
Adaptive window-size selection in transform coding
A transform coder adaptively configures window sizes for transform coding in a two-pass process to maximize coding efficiency, while achieving necessary time resolution to avoid pre-echo. In a...
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7457741 |
Device for transmitting speech information
A device ( 1 ) for transmitting speech information to the human body, comprising:
a microphone ( 2 ) for inputting speech from an external source; a speech signal processor ( 20 ) that...
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7457742 |
Variable rate audio encoder via scalable coding and enhancement layers and appertaining method
A maximum of Nmax bits for encoding is defined for a set of parameters which may be calculated from a signal frame. The parameters for a first sub-set are calculated and encoded with N0 bits, where...
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7454350 |
Methods for evaluating near-term suicidal risk using vocal parameters
A method for evaluating near-term suicidal risk by analysis of a series of spoken words includes converting the spoken series of words into a signal having characteristics indicative of said words...
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7454329 |
Method and apparatus for classifying signals, method and apparatus for generating descriptors and method and apparatus for retrieving signals
The input signal can be quickly and accurately classified and a descriptor can be generated according to the result of classification. Then, the input signal can be retrieved on the basis of the...
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7454327 |
Method and apparatus for introducing information into a data stream and method and apparatus for encoding an audio signal
An inventive method for introducing information into a data stream including data about spectral values representing a short-term spectrum of an audio signal first performs a processing of the data...
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7451077 |
Acoustic presentation system and method
Complex acoustic information, such as music, is presented as visual information or as movement of an object in a manner simulating the reception of the complex acoustic information by the human...
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7451078 |
Methods and apparatus for identifying media objects
A method, apparatus and computer memory are provided for generating an audio fingerprint of an audio recording. A memory stores stable frequency family data corresponding to a plurality of stable...
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7447317 |
Compatible multi-channel coding/decoding by weighting the downmix channel
In processing a multi-channel audio signal having at least three original channels, a first downmix channel and a second downmix channel are provided, which are derived from the original channels....
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7437299 |
Coding of stereo signals
A method of encoding a multichannel signal, such as a stereophonic audio signal, including at least first and second signal components includes transforming at least the first and second signal...
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7433817 |
Apparatus and method applying adaptive spectral whitening in a high-frequency reconstruction coding system
The present invention proposes a new method and a new apparatus for enhancement of audio source coding systems utilising high frequency reconstruction (HFR). It utilises adaptive filtering to...
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7428488 |
Received voice processing apparatus
A received voice processing apparatus is provided, in which the received voice processing apparatus includes: a target spectrum calculation part for calculating, for each frequency band, a target...
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7426462 |
Fast codebook selection method in audio encoding
The largest absolute value (LAV) is determined within a group of data. Based on the LAV, a difference table is identified that is to be used for selecting an optimal Huffman codebook for the group...
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7424422 |
Voice channel bussing in sound processors
The invention is a method and system for applying more effects to voices in an input sound than is capable of being supported by a sound processor. Aspects of the invention include identifying at...
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7421387 |
Dynamic N-best algorithm to reduce recognition errors
A method for reducing recognition errors. The method includes receiving an N-best list associated with an input of a computer based recognition system. The N-best list includes one or more...
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7418379 |
Circuit for improving the intelligibility of audio signals containing speech
The speech intelligibility of an audio signal of unchanged volume is improved by raising the total audio signal by a constant factor and lowering the amplitude of this raised signal by a high-pass...
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7415328 |
Hybrid model based fault detection and isolation system
Method for detecting faults in a device comprising the steps of receiving a plurality of performance parameters, applying the plurality of performance parameters to a first model to produce a...
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7412375 |
Speech quality assessment with noise masking
A method and apparatus for assessing the perceptual quality of stereo speech signals transmitted via a telecommunications network and recorded acoustically from an acoustic terminal device in which...
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7409338 |
Softbit speech decoder and related method for performing speech loss concealment
A softbit speech decoder includes a speech loss concealment circuit receiving bit information, bit error probability data, and a speech information flag from an equivalent channel based on a...
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7401022 |
Processing a speech frame in a radio system
The invention relates to method of processing a speech frame in radio system, a radio system, a mobile station in radio system, and a network of radio system. In the method a speech frame having...
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7398204 |
Bit rate reduction in audio encoders by exploiting inharmonicity effects and auditory temporal masking
The present invention relates to a method for encoding an audio signal. In a first embodiment a model relating to temporal masking of sound provided to a human ear is provided. A temporal masking...
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7395211 |
Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information
A method of modifying the operation of the encoder function and/or the decoder function of a perceptual coding system in accordance with supplemental information, such as a watermark, so that the...
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7395210 |
Progressive to lossless embedded audio coder (PLEAC) with multiple factorization reversible transform
A system and method for lossless and/or progressive to lossless data coding (e.g., audio and/or image) is provided. The system and method employ a multiple factorization reversible transform...
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7395249 |
Speech interface for an automated endoscope system
A robotic system which controls the movement of a surgical instrument in response to voice commands from the user. The robotic system has a computer controlled arm that holds the surgical...
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7391877 |
Spatial processor for enhanced performance in multi-talker speech displays
Optimal head related transfer function spatial configurations designed to maximize speech intelligibility in multi-talker speech displays by spatially separating competing speech channels combined...
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7383297 |
Method to use acoustic signals for computer communications
A method of communicating with an electronic device, comprising: providing a computer having an audible sound receiving and generating sub-system including a microphone; transmitting from a source...
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