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Class Information
Number: 704/211
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Time
Description: Subject matter wherein the speech










Sub-classes under this class:

Class Number Class Name Patents
704/216 Correlation function 210
704/212 Pulse code modulation (pcm) 200
704/215 Silence decision 253
704/214 Voiced or unvoiced 314
704/213 Zero crossing 76


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8712771 Automated difference recognition between speaking sounds and music Apr. 29, 2014
8694307 Method and apparatus for temporal speech scoring Apr. 8, 2014
8682658 Audio equipment including means for de-noising a speech signal by fractional delay filtering, in particular for a "hands-free" telephony system Mar. 25, 2014
8676584 Method for time scaling of a sequence of input signal values Mar. 18, 2014
8666734 Systems and methods for multiple pitch tracking using a multidimensional function and strength values Mar. 4, 2014
8666752 Apparatus and method for encoding and decoding multi-channel signal Mar. 4, 2014
8660842 Enhancing speech recognition using visual information Feb. 25, 2014
8645145 Audio encoder, audio decoder, method for encoding and audio information, method for decoding an audio information and computer program using a hash table describing both significant state valu Feb. 4, 2014
8634708 Method for creating a new summary of an audiovisual document that already includes a summary and reports and a receiver that can implement said method Jan. 21, 2014
8630863 Method and apparatus for encoding and decoding audio/speech signal Jan. 14, 2014
8620643 Auditory eigenfunction systems and methods Dec. 31, 2013
8620645 Non-causal postfilter Dec. 31, 2013
8620646 System and method for tracking sound pitch across an audio signal using harmonic envelope Dec. 31, 2013
8612222 Signature noise removal Dec. 17, 2013
8606566 Speech enhancement through partial speech reconstruction Dec. 10, 2013
8595005 System and method for recognizing emotional state from a speech signal Nov. 26, 2013
8589166 Speech content based packet loss concealment Nov. 19, 2013
8583434 Methods for statistical analysis of speech Nov. 12, 2013
8577672 Audible errors detection and prevention for speech decoding, audible errors concealing Nov. 5, 2013
8571852 Postfilter for layered codecs Oct. 29, 2013
8566083 Method for decoding an audio signal that has a base layer and an enhancement layer Oct. 22, 2013
8566084 Speech processing based on time series of maximum values of cross-power spectrum phase between two consecutive speech frames Oct. 22, 2013
8566092 Method and apparatus for extracting prosodic feature of speech signal Oct. 22, 2013
8521520 Handoffs between different voice encoder systems Aug. 27, 2013
8503517 System and method of an in-band modem for data communications over digital wireless communication networks Aug. 6, 2013
8494849 Method and apparatus for transmitting speech data to a remote device in a distributed speech recognition system Jul. 23, 2013
8494845 Signal distortion elimination apparatus, method, program, and recording medium having the program recorded thereon Jul. 23, 2013
8489404 Method for detecting audio signal transient and time-scale modification based on same Jul. 16, 2013
8484018 Data converting apparatus and method that divides input data into plural frames and partially overlaps the divided frames to produce output data Jul. 9, 2013
8478599 Method and apparatus to determine and use audience affinity and aptitude Jul. 2, 2013
8473298 Pre-resampling to achieve continuously variable analysis time/frequency resolution Jun. 25, 2013
8468026 Audio decoding using variable-length codebook application ranges Jun. 18, 2013
8457955 Voice reproduction with playback time delay and speed based on background noise and speech characteristics Jun. 4, 2013
8452605 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples May. 28, 2013
8452589 Method and apparatus to prepare listener-interest-filtered works May. 28, 2013
8438015 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples May. 7, 2013
8438016 Silence-based adaptive real-time voice and video transmission methods and system May. 7, 2013
8417518 Voice recognition system, method, and program Apr. 9, 2013
8417519 Synthesis of lost blocks of a digital audio signal, with pitch period correction Apr. 9, 2013
8417520 Attenuation of overvoicing, in particular for the generation of an excitation at a decoder when data is missing Apr. 9, 2013
8417532 Encoding an information signal Apr. 9, 2013
8396704 Producing time uniform feature vectors Mar. 12, 2013
8386244 Signal decomposition, analysis and reconstruction Feb. 26, 2013
8386246 Low-complexity frame erasure concealment Feb. 26, 2013
8380484 Method and system of dynamically changing a sentence structure of a message Feb. 19, 2013
8370132 Distributed apparatus and method for a perceptual quality measurement service Feb. 5, 2013
8364472 Voice encoding device and voice encoding method Jan. 29, 2013
8352249 Encoding device, decoding device, and method thereof Jan. 8, 2013
8340972 Psychoacoustic method and system to impose a preferred talking rate through auditory feedback rate adjustment Dec. 25, 2012
8340943 Method and system for separating musical sound source Dec. 25, 2012

1 2 3 4 5 6 7 8










 
 
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