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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
8352248 Speech compression method and apparatus Jan. 8, 2013
8348839 Systems and methods for active listening/observing and event detection Jan. 8, 2013
8348670 Device and method for computer-assisted learning Jan. 8, 2013
8340973 Data embedding device and data extraction device Dec. 25, 2012
8340963 Echo suppressing system, echo suppressing method, recording medium, echo suppressor, sound output device, audio system, navigation system and mobile object Dec. 25, 2012
8340960 Methods and apparatus for efficient vocoder implementations Dec. 25, 2012
8340943 Method and system for separating musical sound source Dec. 25, 2012
8340305 Audio encoding method and device Dec. 25, 2012
8332210 Regeneration of wideband speech Dec. 11, 2012
8332220 Differential dynamic content delivery with text display in dependence upon simultaneous speech Dec. 11, 2012
8326607 Method and arrangement for enhancing speech quality Dec. 4, 2012
8326608 Transcoding method, apparatus, device and system Dec. 4, 2012
8326612 Non-speech section detecting method and non-speech section detecting device Dec. 4, 2012
8321371 Enhanced artificial intelligence language Nov. 27, 2012
8321230 Method and device for the hierarchical coding of a source audio signal and corresponding decoding method and device, programs and signals Nov. 27, 2012
8321229 Apparatus, medium and method to encode and decode high frequency signal Nov. 27, 2012
8321206 Transient detection and modification in audio signals Nov. 27, 2012
8315348 Clock extraction circuit for use in a linearly expandable broadcast router Nov. 20, 2012
8315853 MDCT domain post-filtering apparatus and method for quality enhancement of speech Nov. 20, 2012
8315859 Efficient filtering with a complex modulated filterbank Nov. 20, 2012
8315862 Audio signal quality enhancement apparatus and method Nov. 20, 2012
8312492 Systems and methods of providing modified media content Nov. 13, 2012
8306815 Speech dialog control based on signal pre-processing Nov. 6, 2012
8301441 Speech coding Oct. 30, 2012
8296159 Apparatus and a method for calculating a number of spectral envelopes Oct. 23, 2012
8290770 Method and apparatus for sinusoidal audio coding Oct. 16, 2012
8290776 Meeting visualization system Oct. 16, 2012
8285543 Circular frequency translation with noise blending Oct. 9, 2012
8280744 Audio decoder, audio object encoder, method for decoding a multi-audio-object signal, multi-audio-object encoding method, and non-transitory computer-readable medium therefor Oct. 2, 2012
8280737 Sound signal generating method, sound signal generating device, and recording medium Oct. 2, 2012
8280732 System and method for multidimensional gesture analysis Oct. 2, 2012
8280731 Noise variance estimator for speech enhancement Oct. 2, 2012
8280013 System, method and software for a speech-enabled call routing application using an action-object matrix Oct. 2, 2012
8280729 System and method for encoding and decoding pulse indices Oct. 2, 2012
8275626 Apparatus and a method for decoding an encoded audio signal Sep. 25, 2012
8275834 Multi-modal, geo-tempo communications systems Sep. 25, 2012
8271293 Audio decoding using variable-length codebook application ranges Sep. 18, 2012
8271278 Quantizing feature vectors in decision-making applications Sep. 18, 2012
8271271 Method for bias compensation for cepstro-temporal smoothing of spectral filter gains Sep. 18, 2012
8270618 Compatible multi-channel coding/decoding Sep. 18, 2012
8271275 Scalable encoding device, and scalable encoding method Sep. 18, 2012
8266451 Voice activated smart card Sep. 11, 2012
8265941 Method and an apparatus for decoding an audio signal Sep. 11, 2012
8265696 Digital telecommunication system Sep. 11, 2012
8259452 Electronic device Sep. 4, 2012
8259938 Efficient and secure forensic marking in compressed Sep. 4, 2012
8255228 Efficient use of phase information in audio encoding and decoding Aug. 28, 2012
8249883 Channel extension coding for multi-channel source Aug. 21, 2012
8249882 Decoding apparatus and decoding method Aug. 21, 2012
8249881 Multi-phoneme streamer and knowledge representation speech recognition system and method Aug. 21, 2012

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