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Class Information
Number: 704/219
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Linear prediction
Description: Subject matter wherein input samples of speech

Patents under this class:

Patent Number Title Of Patent Date Issued
8712766 Method and system for coding an information signal using closed loop adaptive bit allocation Apr. 29, 2014
8712765 Parameter decoding apparatus and parameter decoding method Apr. 29, 2014
8712764 Device and method for quantizing and inverse quantizing LPC filters in a super-frame Apr. 29, 2014
8712728 Method and device for monitoring and analyzing signals Apr. 29, 2014
8706506 Waveform compressing apparatus, waveform decompressing apparatus, and method of producing compressed data Apr. 22, 2014
8706488 Methods and apparatus for formant-based voice synthesis Apr. 22, 2014
8706481 Multi-path trellis coded quantization method and multi-path coded quantizer using the same Apr. 22, 2014
8706479 Packet loss concealment for sub-band codecs Apr. 22, 2014
8694326 Communication terminal and communication method Apr. 8, 2014
8687829 Apparatus and method for multi-channel parameter transformation Apr. 1, 2014
8682670 Statistical enhancement of speech output from a statistical text-to-speech synthesis system 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
8670982 Method and device for carrying out optimal coding between two long-term prediction models Mar. 11, 2014
8670968 System and method for ranking a posting Mar. 11, 2014
8666754 Audio signal encoding method, audio signal decoding method, encoding device, decoding device, audio signal processing system, audio signal encoding program, and audio signal decoding program Mar. 4, 2014
8666752 Apparatus and method for encoding and decoding multi-channel signal Mar. 4, 2014
8666735 IC coding speech into primary and secondary stages of packets Mar. 4, 2014
8660848 Methods and systems for detection from and analysis of physical signals Feb. 25, 2014
8655669 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction Feb. 18, 2014
8655650 Multiple stream decoder Feb. 18, 2014
8650028 Multi-mode speech encoding system for encoding a speech signal used for selection of one of the speech encoding modes including multiple speech encoding rates Feb. 11, 2014
8649283 Packet analysis apparatus and method thereof Feb. 11, 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
8639501 Method and arrangement for enhancing spatial audio signals Jan. 28, 2014
8639500 Method, medium, and apparatus with bandwidth extension encoding and/or decoding Jan. 28, 2014
8630862 Audio signal encoder/decoder for use in low delay applications, selectively providing aliasing cancellation information while selectively switching between transform coding and celp coding of Jan. 14, 2014
8630861 Mixed lossless audio compression Jan. 14, 2014
8626517 Simultaneous time-domain and frequency-domain noise shaping for TDAC transforms Jan. 7, 2014
8626504 Extracting features of audio signal content to provide reliable identification of the signals Jan. 7, 2014
8620660 Very low bit rate signal coder and decoder Dec. 31, 2013
8620649 Speech coding system and method using bi-directional mirror-image predicted pulses Dec. 31, 2013
8620648 Audio encoding device and audio encoding method Dec. 31, 2013
8620646 System and method for tracking sound pitch across an audio signal using harmonic envelope Dec. 31, 2013
8620645 Non-causal postfilter Dec. 31, 2013
8615394 Restoration of noise-reduced speech Dec. 24, 2013
8612241 Method and apparatus for performing packet loss or frame erasure concealment Dec. 17, 2013
8612215 Method and apparatus to extract important frequency component of audio signal and method and apparatus to encode and/or decode audio signal using the same Dec. 17, 2013
8595019 Audio coder/decoder with predictive coding of synthesis filter and critically-sampled time aliasing of prediction domain frames Nov. 26, 2013
8595018 Technique for controlling codec selection along a complex call path Nov. 26, 2013
8595017 Audio encoding method and device Nov. 26, 2013
8595002 Half-rate vocoder Nov. 26, 2013
8595001 System for bandwidth extension of narrow-band speech Nov. 26, 2013
8595000 Method and apparatus to search fixed codebook and method and apparatus to encode/decode a speech signal using the method and apparatus to search fixed codebook Nov. 26, 2013
8589173 Method and apparatus for encoding/decoding speech signal using coding mode Nov. 19, 2013
8589166 Speech content based packet loss concealment Nov. 19, 2013
8589151 Vocoder and associated method that transcodes between mixed excitation linear prediction (MELP) vocoders with different speech frame rates Nov. 19, 2013
8588429 Sound device and sound control device Nov. 19, 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

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