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Browse by Category: Main > Information Technology
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:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
7925783 Transparent envelope for XML messages Apr. 12, 2011
7921007 Scalable audio coding Apr. 5, 2011
7917360 Echo avoidance in audio time stretching Mar. 29, 2011
7917362 Method and apparatus for determining a bit boundary of a repetition-coded signal Mar. 29, 2011
7912711 Method and apparatus for speech data Mar. 22, 2011
7912045 Data streaming communication system and method Mar. 22, 2011
7904293 Sub-band voice codec with multi-stage codebooks and redundant coding Mar. 8, 2011
7899676 Signal encoding device and signal encoding method, signal decoding device and signal decoding method, program, and recording medium Mar. 1, 2011
7895045 Bitrate constrained variable bitrate audio encoding Feb. 22, 2011
7890061 Selective 40 MHz operation in 2.4 GHz band Feb. 15, 2011
7885809 Quantization of speech and audio coding parameters using partial information on atypical subsequences Feb. 8, 2011
7873511 Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic Jan. 18, 2011
7860509 Methods and arrangements for adaptive thresholds in codec selection Dec. 28, 2010
7853438 Comparison of data signals using characteristic electronic thumbprints extracted therefrom Dec. 14, 2010
7848922 Method and apparatus for a thin audio codec Dec. 7, 2010
7840402 Audio encoding device, audio decoding device, and method thereof Nov. 23, 2010
7835904 Perceptual, scalable audio compression Nov. 16, 2010
7835906 Encoding method, apparatus and device and decoding method Nov. 16, 2010
7804827 Method for ensuring adequacy of transmission capacity, terminal employing the method, and software means for implementing the method Sep. 28, 2010
7801732 Audio codec system and audio signal encoding method using the same Sep. 21, 2010
7787827 Preamble detection Aug. 31, 2010
7788090 Combined audio coding minimizing perceptual distortion Aug. 31, 2010
7769583 Quantizing feature vectors in decision-making applications Aug. 3, 2010
7752039 Method and device for low bit rate speech coding Jul. 6, 2010
7752041 Method and apparatus for encoding/decoding digital signal Jul. 6, 2010
7752052 Scalable coder and decoder performing amplitude flattening for error spectrum estimation Jul. 6, 2010
7734053 Encoding apparatus, encoding method, and computer product Jun. 8, 2010
7725324 Constrained filter encoding of polyphonic signals May. 25, 2010
7725313 Method, system and apparatus for allocating bits in perceptual audio coders May. 25, 2010
7693709 Reordering coefficients for waveform coding or decoding Apr. 6, 2010
7693707 Voice/musical sound encoding device and voice/musical sound encoding method Apr. 6, 2010
7684980 Information flow transmission method whereby said flow is inserted into a speech data flow, and parametric codec used to implement same Mar. 23, 2010
7668715 Methods for selecting an initial quantization step size in audio encoders and systems using the same Feb. 23, 2010
7660720 Lossless audio coding/decoding method and apparatus Feb. 9, 2010
7660712 Speech gain quantization strategy Feb. 9, 2010
7657427 Methods and devices for source controlled variable bit-rate wideband speech coding Feb. 2, 2010
7653539 Communication device, signal encoding/decoding method Jan. 26, 2010
7650278 Digital signal encoding method and apparatus using plural lookup tables Jan. 19, 2010
7636660 Subband synthesis filtering process and apparatus Dec. 22, 2009
7634413 Bitrate constrained variable bitrate audio encoding Dec. 15, 2009
7634402 Apparatus for coding of variable bitrate wideband speech and audio signals, and a method thereof Dec. 15, 2009
7630889 Code conversion method and device Dec. 8, 2009
7630902 Apparatus and methods for digital audio coding using codebook application ranges Dec. 8, 2009
7630882 Frequency segmentation to obtain bands for efficient coding of digital media Dec. 8, 2009
7620545 Scale factor based bit shifting in fine granularity scalability audio coding Nov. 17, 2009
7620543 Method, medium, and apparatus for converting audio data Nov. 17, 2009
7613603 Audio coding device with fast algorithm for determining quantization step sizes based on psycho-acoustic model Nov. 3, 2009
7613606 Speech codecs Nov. 3, 2009
7613605 Audio signal encoding apparatus and method Nov. 3, 2009
7613609 Apparatus and method for encoding a multi-channel signal and a program pertaining thereto Nov. 3, 2009

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