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Class Information
Number: 704/500
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Audio signal bandwidth compression or expansion
Description: Subject matter where there is either an expansion or reduction of the bandwidth required for transmission of a sound signal.










Sub-classes under this class:

Class Number Class Name Patents
704/502 Delay line 165
704/501 With content reduction encoding 588


Patents under this class:

Patent Number Title Of Patent Date Issued
8713593 Detection system and method for mobile device application Apr. 29, 2014
8712785 Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec Apr. 29, 2014
8712784 Encoding method and encoding device, decoding method and decoding device and transcoding method and transcoder for multi-object audio signals Apr. 29, 2014
8712783 Entropy encoding and decoding using direct level and run-length/level context-adaptive arithmetic coding/decoding modes Apr. 29, 2014
8712763 Method for encoding signal, and method for decoding signal Apr. 29, 2014
8712060 Method and an apparatus for processing an audio signal Apr. 29, 2014
8711015 Sparse data compression Apr. 29, 2014
8706511 Low-complexity spectral analysis/synthesis using selectable time resolution Apr. 22, 2014
8706510 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectra Apr. 22, 2014
8706509 Method and a decoder for attenuation of signal regions reconstructed with low accuracy Apr. 22, 2014
8706508 Audio decoding apparatus and audio decoding method performing weighted addition on signals Apr. 22, 2014
8706507 Arbitrary shaping of temporal noise envelope without side-information utilizing unchanged quantization Apr. 22, 2014
8706506 Waveform compressing apparatus, waveform decompressing apparatus, and method of producing compressed data Apr. 22, 2014
8706497 Speech signal restoration device and speech signal restoration method Apr. 22, 2014
8706473 System and method for insertion and removal of video objects Apr. 22, 2014
8694326 Communication terminal and communication method Apr. 8, 2014
8694325 Hierarchical audio coding, decoding method and system Apr. 8, 2014
8693697 Matrix encoder with improved channel separation Apr. 8, 2014
8688442 Audio decoding apparatus, audio coding apparatus, and system comprising the apparatuses Apr. 1, 2014
8688248 Method and system for content sampling and identification Apr. 1, 2014
8687829 Apparatus and method for multi-channel parameter transformation Apr. 1, 2014
8686273 Recording and selecting a region of a media track Apr. 1, 2014
8682681 Audio encoder, audio decoder, method for encoding and decoding an audio information, and computer program obtaining a context sub-region value on the basis of a norm of previously decoded spec Mar. 25, 2014
8682680 Methods and apparatuses for bit stream decoding in MP3 decoder Mar. 25, 2014
8682679 Binaural object-oriented audio decoder Mar. 25, 2014
8682652 Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic Mar. 25, 2014
8682645 Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing, windower, transformer and inverse transformer Mar. 25, 2014
8681978 Efficient and secure forensic marking in compressed domain Mar. 25, 2014
8676591 Audio deceleration Mar. 18, 2014
8676573 Error concealment Mar. 18, 2014
8676570 Methods, apparatus and articles of manufacture to perform audio watermark decoding Mar. 18, 2014
8676042 Method and apparatus for seeking a frame in multimedia contents Mar. 18, 2014
8674935 System delay mitigation in interactive systems Mar. 18, 2014
8670988 Audio encoding/decoding apparatus and method providing multiple coding scheme interoperability 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
8666753 Apparatus and method for audio encoding Mar. 4, 2014
8666752 Apparatus and method for encoding and decoding multi-channel signal Mar. 4, 2014
8666749 System and method for audio snippet generation from a subset of music tracks Mar. 4, 2014
8666732 High frequency signal interpolating apparatus Mar. 4, 2014
8666132 Data compression method and data compression apparatus Mar. 4, 2014
8660851 Stereo signal decoding device and stereo signal decoding method Feb. 25, 2014
8660848 Methods and systems for detection from and analysis of physical signals Feb. 25, 2014
8660842 Enhancing speech recognition using visual information Feb. 25, 2014
8655670 Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction Feb. 18, 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
8655663 Audio signal interpolation device and audio signal interpolation method Feb. 18, 2014
8655656 Method and system for assessing intelligibility of speech represented by a speech signal Feb. 18, 2014
8654985 Stereo compatible multi-channel audio coding Feb. 18, 2014
8645146 Bitstream syntax for multi-process audio decoding Feb. 4, 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











 
 
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