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Class Information
Number: 704/229
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > For storage or transmission > Adaptive bit allocation
Description: Subject matter wherein limited storage or transmission resources are allocated by giving more resources to areas containing more data and giving fewer resources to areas containing less data.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8712764 Device and method for quantizing and inverse quantizing LPC filters in a super-frame Apr. 29, 2014
8712766 Method and system for coding an information signal using closed loop adaptive bit allocation Apr. 29, 2014
8694325 Hierarchical audio coding, decoding method and system Apr. 8, 2014
8688442 Audio decoding apparatus, audio coding apparatus, and system comprising the apparatuses Apr. 1, 2014
8682645 Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing, windower, transformer and inverse transformer Mar. 25, 2014
8676571 Audio signal processing system and audio signal processing method Mar. 18, 2014
8665945 Encoding method, decoding method, encoding device, decoding device, program, and recording medium Mar. 4, 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
8655656 Method and system for assessing intelligibility of speech represented by a speech signal Feb. 18, 2014
8655652 Apparatus and method for encoding an information signal Feb. 18, 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
8625705 Data modulation and demodulation method, spectrum management method, apparatus and system Jan. 7, 2014
8620646 System and method for tracking sound pitch across an audio signal using harmonic envelope Dec. 31, 2013
8615391 Method and apparatus to extract important spectral component from audio signal and low bit-rate audio signal coding and/or decoding method and apparatus using the same Dec. 24, 2013
8612219 SBR encoder with high frequency parameter bit estimating and limiting Dec. 17, 2013
8600765 Signal classification method and device, and encoding and decoding methods and devices Dec. 3, 2013
8595017 Audio encoding method and device Nov. 26, 2013
8589154 Method and apparatus for encoding audio data Nov. 19, 2013
8589173 Method and apparatus for encoding/decoding speech signal using coding mode 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
8589155 Adaptive tuning of the perceptual model Nov. 19, 2013
8571852 Postfilter for layered codecs Oct. 29, 2013
8566106 Method and device for fast algebraic codebook search in speech and audio coding Oct. 22, 2013
8554549 Encoding device and method including encoding of error transform coefficients Oct. 8, 2013
8554569 Quality improvement techniques in an audio encoder Oct. 8, 2013
8543386 Method and apparatus for decoding an audio signal Sep. 24, 2013
8543388 Efficient speech stream conversion Sep. 24, 2013
8543389 Coding/decoding of digital audio signals Sep. 24, 2013
8532982 Method and apparatus to encode and decode an audio/speech signal Sep. 10, 2013
8533571 Lossy coding of signals Sep. 10, 2013
8527267 Adding additional data to encoded bit streams Sep. 3, 2013
8521541 Adaptive audio transcoding Aug. 27, 2013
8521522 Audio coding/decoding method and apparatus using excess quantization information Aug. 27, 2013
8515771 Identifying an encoding format of an encoded voice signal Aug. 20, 2013
8510107 Audio data bit rate detector Aug. 13, 2013
8498876 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks Jul. 30, 2013
8494843 Encoding and decoding apparatuses for improving sound quality of G.711 codec Jul. 23, 2013
8489403 Apparatuses, methods and systems for sparse sinusoidal audio processing and transmission Jul. 16, 2013
8489027 Method and apparatus for communicating sound wave of human body Jul. 16, 2013
8484021 Apparatus for encoding/decoding multichannel signal and method thereof Jul. 9, 2013
8478586 Signal processing apparatus and method, and program Jul. 2, 2013
8468026 Audio decoding using variable-length codebook application ranges Jun. 18, 2013
8457957 Optimization of MP3 audio encoding by scale factors and global quantization step size Jun. 4, 2013
8457958 Audio transcoder using encoder-generated side information to transcode to target bit-rate Jun. 4, 2013
8457115 Method and apparatus for concealing lost frame Jun. 4, 2013
8452591 Comfort noise information handling for audio transcoding applications May. 28, 2013
8447597 Audio encoding device, audio decoding device, audio encoding method, and audio decoding method May. 21, 2013
8447617 Method and system for speech bandwidth extension May. 21, 2013
8442838 Bitrate constrained variable bitrate audio encoding May. 14, 2013
8442819 Distortion-based method and apparatus for buffer control in a communication system May. 14, 2013

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