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Class Information
Number: 704/201
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission
Description: Subject matter wherein the speech










Sub-classes under this class:

Class Number Class Name Patents
704/229 Adaptive bit allocation 610
704/220 Analysis by synthesis 525
704/205 Frequency 766
704/225 Gain control 378
704/219 Linear prediction 1,212
704/202 Neural network 73
704/226 Noise 1,058
704/224 Normalizing 229
704/221 Pattern matching vocoders 366
704/230 Quantization 731
704/211 Time 399
704/203 Transformation 389


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Patent Number Title Of Patent Date Issued
8712765 Parameter decoding apparatus and parameter decoding method Apr. 29, 2014
8712766 Method and system for coding an information signal using closed loop adaptive bit allocation Apr. 29, 2014
8712768 System and method for enhanced artificial bandwidth expansion Apr. 29, 2014
8712728 Method and device for monitoring and analyzing signals Apr. 29, 2014
8706509 Method and a decoder for attenuation of signal regions reconstructed with low accuracy Apr. 22, 2014
8688437 Packet loss concealment for speech coding Apr. 1, 2014
8688444 System and method for mobile automatic speech recognition Apr. 1, 2014
8688092 Methods and systems for managing telecommunications and for translating voice messages to text messages Apr. 1, 2014
8687829 Apparatus and method for multi-channel parameter transformation Apr. 1, 2014
8682018 Microphone array with rear venting Mar. 25, 2014
8676572 Computer-implemented system and method for enhancing audio to individuals participating in a conversation Mar. 18, 2014
8676570 Methods, apparatus and articles of manufacture to perform audio watermark decoding Mar. 18, 2014
8666752 Apparatus and method for encoding and decoding multi-channel signal Mar. 4, 2014
8666733 Audio signal compression and decoding using band division and polynomial approximation Mar. 4, 2014
8660839 System and method for leaving and transmitting speech messages Feb. 25, 2014
8655650 Multiple stream decoder Feb. 18, 2014
8655651 Method, computer, computer program and computer program product for speech quality estimation Feb. 18, 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
8639513 Automated communication integrator Jan. 28, 2014
8638945 Apparatus and method for encoding/decoding signal Jan. 28, 2014
8634577 Audio decoder Jan. 21, 2014
8635065 Apparatus and method for automatic extraction of important events in audio signals Jan. 21, 2014
8626496 Method and apparatus for enabling playback of ad HOC conversations Jan. 7, 2014
8620674 Multi-channel audio encoding and decoding Dec. 31, 2013
8620673 Audio decoding method and audio decoder Dec. 31, 2013
8620646 System and method for tracking sound pitch across an audio signal using harmonic envelope Dec. 31, 2013
8620644 Encoder-assisted frame loss concealment techniques for audio coding Dec. 31, 2013
8619999 Audio decoding method and apparatus Dec. 31, 2013
8612214 Apparatus and a method for generating bandwidth extension output data Dec. 17, 2013
8612219 SBR encoder with high frequency parameter bit estimating and limiting Dec. 17, 2013
8612242 Minimizing speech delay in communication devices Dec. 17, 2013
8604327 Apparatus and method for automatic lyric alignment to music playback Dec. 10, 2013
8606587 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks Dec. 10, 2013
8600740 Systems, methods and apparatus for context descriptor transmission Dec. 3, 2013
8595003 Encoder quantization architecture for advanced audio coding Nov. 26, 2013
8589155 Adaptive tuning of the perceptual model Nov. 19, 2013
8589160 Systems and methods for providing an electronic dictation interface Nov. 19, 2013
8589166 Speech content based packet loss concealment Nov. 19, 2013
8589170 Single control message device Nov. 19, 2013
8583424 Spatial synthesis of multichannel audio signals Nov. 12, 2013
8577686 Method and apparatus for decoding an audio signal Nov. 5, 2013
8577673 CELP post-processing for music signals Nov. 5, 2013
8577672 Audible errors detection and prevention for speech decoding, audible errors concealing Nov. 5, 2013
8577045 Apparatus and method for encoding a multi-channel audio signal Nov. 5, 2013
8577038 Method and device for generating pseudorandom number, and method and device for encryption using pseudorandom number Nov. 5, 2013
8571875 Method, medium, and apparatus encoding and/or decoding multichannel audio signals Oct. 29, 2013
8571853 Method and system for laughter detection Oct. 29, 2013
8571852 Postfilter for layered codecs Oct. 29, 2013
8571112 Specification method and apparatus for coding and decoding Oct. 29, 2013

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