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Class Information
Number: 704/200
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing
Description: Subject matter wherein the system performs operations or functions on signals which represent speech










Sub-classes under this class:

Class Number Class Name Patents
704/270 Application 2,823
704/201 For storage or transmission 953
704/200.1 Psychoacoustic 590
704/231 Recognition 1,343
704/258 Synthesis 939


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Patent Number Title Of Patent Date Issued
8713593 Detection system and method for mobile device application Apr. 29, 2014
8706493 Controllable prosody re-estimation system and method and computer program product thereof Apr. 22, 2014
8706496 Audio signal transforming by utilizing a computational cost function Apr. 22, 2014
8694306 Systems and methods for source signal separation Apr. 8, 2014
8688442 Audio decoding apparatus, audio coding apparatus, and system comprising the apparatuses Apr. 1, 2014
8688441 Method and apparatus to facilitate provision and use of an energy value to determine a spectral envelope shape for out-of-signal bandwidth content Apr. 1, 2014
8688440 Coding apparatus, decoding apparatus, coding method and decoding method Apr. 1, 2014
8688092 Methods and systems for managing telecommunications and for translating voice messages to text messages Apr. 1, 2014
8682651 Audio visual signature, method of deriving a signature, and method of comparing audio-visual data Mar. 25, 2014
8682650 Speech-quality assessment method and apparatus that identifies part of a signal not generated by human tract Mar. 25, 2014
8682645 Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing, windower, transformer and inverse transformer Mar. 25, 2014
8682018 Microphone array with rear venting Mar. 25, 2014
8681978 Efficient and secure forensic marking in compressed domain Mar. 25, 2014
8676569 Error concealment method and apparatus for audio signal and decoding method and apparatus for audio signal using the same Mar. 18, 2014
8676570 Methods, apparatus and articles of manufacture to perform audio watermark decoding Mar. 18, 2014
8670554 Method for encoding multiple microphone signals into a source-separable audio signal for network transmission and an apparatus for directed source separation Mar. 11, 2014
8660840 Method and apparatus for predictively quantizing voiced speech Feb. 25, 2014
8655651 Method, computer, computer program and computer program product for speech quality estimation Feb. 18, 2014
8655440 System and method of speech sound intelligibility assessment, and program thereof Feb. 18, 2014
8655439 System and method of speech discriminability assessment, and computer program thereof Feb. 18, 2014
8650027 Electrolaryngeal speech reconstruction method and system thereof Feb. 11, 2014
8650029 Leveraging speech recognizer feedback for voice activity detection Feb. 11, 2014
8645127 Efficient coding of digital media spectral data using wide-sense perceptual similarity Feb. 4, 2014
8645129 Integrated speech intelligibility enhancement system and acoustic echo canceller Feb. 4, 2014
8639503 Speech compression method and apparatus Jan. 28, 2014
8639498 Apparatus and method for coding and decoding multi object audio signal with multi channel Jan. 28, 2014
8638991 Motion detection system and method Jan. 28, 2014
8638951 Electronic apparatus for generating modified wideband audio signals based on two or more wideband microphone signals Jan. 28, 2014
8638945 Apparatus and method for encoding/decoding signal Jan. 28, 2014
8626493 Insertion of sounds into audio content according to pattern Jan. 7, 2014
8626495 Method of correcting errors in binary masks Jan. 7, 2014
8626501 Encoding apparatus, encoding method, decoding apparatus, decoding method, and program Jan. 7, 2014
8620674 Multi-channel audio encoding and decoding Dec. 31, 2013
8620672 Systems, methods, apparatus, and computer-readable media for phase-based processing of multichannel signal Dec. 31, 2013
8620671 Method and apparatus for transforming between different filter bank domains Dec. 31, 2013
8620648 Audio encoding device and audio encoding method Dec. 31, 2013
8620673 Audio decoding method and audio decoder Dec. 31, 2013
8619758 Network telephony system Dec. 31, 2013
8620646 System and method for tracking sound pitch across an audio signal using harmonic envelope Dec. 31, 2013
8615040 Transcoder for converting a first stream into a second stream using an area specification and a relation determining function Dec. 24, 2013
8615390 Low-delay transform coding using weighting windows Dec. 24, 2013
8612214 Apparatus and a method for generating bandwidth extension output data Dec. 17, 2013
8612242 Minimizing speech delay in communication devices Dec. 17, 2013
8595001 System for bandwidth extension of narrow-band speech Nov. 26, 2013
8588463 Method of facial image reproduction and related device Nov. 19, 2013
8583426 Speech enhancement with voice clarity Nov. 12, 2013
8582804 Method of facial image reproduction and related device Nov. 12, 2013
8583439 Enhanced interface for use with speech recognition Nov. 12, 2013
8583443 Recording and reproducing apparatus Nov. 12, 2013
8577045 Apparatus and method for encoding a multi-channel audio signal Nov. 5, 2013

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