| Patents for G10L 19 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis (31,960) |
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| 05/14/2008 | EP1921607A2 Method and system for a flexible multiplexer and mixer |
| 05/14/2008 | EP1921606A1 Energy shaping device and energy shaping method |
| 05/14/2008 | EP1921605A1 Multi-channel acoustic signal processing device |
| 05/14/2008 | EP1920636A1 Apparatus for encoding and decoding audio signal and method thereof |
| 05/14/2008 | EP1920635A1 Apparatus for encoding and decoding audio signal and method thereof |
| 05/14/2008 | EP1920439A1 Method for generating encoded audio signal amd method for processing audio signal |
| 05/14/2008 | EP1920438A1 Method for generating encoded audio signal and method for processing audio signal |
| 05/14/2008 | EP1920437A1 Method for signaling of splitting information |
| 05/14/2008 | EP1920434A2 Single-codebook vector quantization for multiple-rate applications |
| 05/14/2008 | EP1807825B1 Time warped modified transform coding of audio signals |
| 05/14/2008 | EP1735774B1 Multi-channel encoder |
| 05/14/2008 | EP1668462A4 A fast codebook selection method in audio encoding |
| 05/14/2008 | CN201060645Y Stereo coding circuit with software design as basis |
| 05/14/2008 | CN101180677A Systems, methods, and apparatus for wideband speech coding |
| 05/14/2008 | CN101180676A Methods and apparatus for quantization of spectral envelope representation |
| 05/14/2008 | CN101180675A Predictive encoding of a multi channel signal |
| 05/14/2008 | CN101180674A Method of encoding and decoding an audio signal |
| 05/14/2008 | CN101179278A Acoustics system and voice signal coding method thereof |
| 05/14/2008 | CN101178899A Variable rate speech coding |
| 05/14/2008 | CN101178898A Frequency band extending apparatus, frequency band extending method, player apparatus, playing method, program and recording medium |
| 05/14/2008 | CN100388824C Decoding method for adaptive multi-rate speech coding in non-consecutive transmitting mode |
| 05/14/2008 | CN100388795C Method for creating a system clock in a receiver device and corresponding receiver device |
| 05/14/2008 | CN100388270C Editing apparatus and editing method thereof |
| 05/13/2008 | US7373580 Recording medium, recording method and apparatus, reproduction method and apparatus, data transmission method, and data demodulation method |
| 05/13/2008 | US7373298 Apparatus and method for coding excitation signal |
| 05/13/2008 | US7373296 Method and apparatus for classifying a spectro-temporal interval of an input audio signal, and a coder including such an apparatus |
| 05/13/2008 | US7373295 Speech coder and speech decoder |
| 05/13/2008 | US7373293 Quantization noise shaping method and apparatus |
| 05/13/2008 | US7373007 Encoded data generation apparatus and a method, a program, and an information recording medium |
| 05/13/2008 | US7372907 Efficient and flexible oversampled filterbank with near perfect reconstruction constraint |
| 05/13/2008 | US7371959 System, method and computer program for ensuring secure use of music playing data files |
| 05/13/2008 | CA2323564C Method and apparatus for processing audio information using time-aligned blocks of encoded audio in video/audio applications to facilitate audio switching |
| 05/08/2008 | WO2008053970A1 Voice coding device, voice decoding device and their methods |
| 05/08/2008 | WO2008052627A1 Device and method for postprocessing spectral values and encoder and decoder for audio signals |
| 05/08/2008 | WO2008036246B1 Packet based echo cancellation and suppression |
| 05/08/2008 | WO2008022181A3 Updating of decoder states after packet loss concealment |
| 05/08/2008 | WO2008022176A3 Packet loss concealment for sub-band predictive coding based on extrapolation of full-band audio waveform |
| 05/08/2008 | WO2008009564A8 Audio bitstream data structure arrangement of a lossy encoded signal together with lossless encoded extension data for said signal |
| 05/08/2008 | US20080109230 Multi-pass variable bitrate media encoding |
| 05/08/2008 | US20080109219 ADPCM encoding and decoding method and system with improved step size adaptation thereof |
| 05/08/2008 | US20080109216 Application and communication network for filtering vocal information |
| 05/08/2008 | US20080109215 High frequency reconstruction by linear extrapolation |
| 05/08/2008 | US20080106249 Generating sample error coefficients |
| 05/08/2008 | CA2668056A1 Device and method for postprocessing spectral values and encoder and decoder for audio signals |
| 05/07/2008 | EP1918911A1 Time scale modification of an audio signal |
| 05/07/2008 | EP1918910A1 Model-based enhancement of speech signals |
| 05/07/2008 | EP1918909A1 Sampling error compensation |
| 05/07/2008 | EP1918847A1 Content server device, on-vehicle player device, system, method, and program |
| 05/07/2008 | EP1742202B1 Encoding device, decoding device, and method thereof |
| 05/07/2008 | EP1649723B1 Multi-channel synthesizer and method for generating a multi-channel output signal |
| 05/07/2008 | CN101176148A Encoder, decoder, and their methods |
| 05/07/2008 | CN101176147A Audio encoding apparatus and spectrum modifying method |
| 05/07/2008 | CN101174413A Sound signal encoder and sound signal decoder |
| 05/07/2008 | CN101174412A Sound encoder and sound decoder |
| 05/07/2008 | CN101174411A Encoding, decoding and transmission method for audio signal and its transmission system |
| 05/07/2008 | CN101174287A Method and apparatus for digital rights management |
| 05/07/2008 | CN100386799C Voice frame computation method for audio frequency decoding |
| 05/06/2008 | US7370204 Watermark data embedding apparatus and extracting apparatus |
| 05/06/2008 | US7370125 Stream under-run/over-run recovery |
| 05/06/2008 | US7369989 Unified filter bank for audio coding |
| 05/06/2008 | US7369906 Digital audio signal processing |
| 05/06/2008 | US7369678 Digital watermark and steganographic decoding |
| 05/06/2008 | US7369543 System and method for providing internet based phone conferences using multiple codecs |
| 05/06/2008 | US7369265 Printer with code sensor |
| 05/06/2008 | CA2483324C Estimation of background noise in a variable rate vocoder |
| 05/02/2008 | WO2008051401A1 Method and apparatus for injecting comfort noise in a communications signal |
| 05/02/2008 | WO2008049737A1 Audio coding |
| 05/02/2008 | WO2008049590A1 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples |
| 05/02/2008 | WO2008049589A1 Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples |
| 05/02/2008 | WO2008049587A1 Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program |
| 05/02/2008 | WO2008049311A1 A method, system and apparatus for transmitting the encoded code stream of the background noise |
| 05/02/2008 | WO2007126503A3 Industrial process pressure transmitter with field repairable remote seals |
| 05/02/2008 | CA2664163A1 Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program |
| 05/01/2008 | US20080104713 Method and apparatus for digital rights management |
| 05/01/2008 | US20080103783 Apparatus and method for measuring quality of sound encoded with a variable band multi-codec |
| 05/01/2008 | US20080103765 Encoder Delay Adjustment |
| 05/01/2008 | US20080103764 Wireless Communication Apparatus and Wireless Communication Method |
| 05/01/2008 | US20080103763 Audio processing method and audio processing apparatus |
| 04/30/2008 | EP1916652A1 Encoder, method of encoding, and computer-readable recording medium |
| 04/30/2008 | EP1915757A1 Method for processing audio signal |
| 04/30/2008 | EP1915756A1 Mehtod for generating encoded audio signal and method for processing audio signal |
| 04/30/2008 | EP1784819B1 Stereo compatible multi-channel audio coding |
| 04/30/2008 | EP1706865B1 Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| 04/30/2008 | EP1324561B1 Low speed speech encoding method based on a network protocol |
| 04/30/2008 | CN101171626A Time warping frames inside the vocoder by modifying the residual |
| 04/30/2008 | CN101171625A Data recording device and data file transmission method in the data recording device |
| 04/30/2008 | CN101170590A A method, system and device for transmitting encoding stream under background noise |
| 04/30/2008 | CN101169934A Time domain hearing threshold weighting filter construction method and apparatus, encoder and decoder |
| 04/30/2008 | CN100385976C Method for improving communication terminal intercommunicating voice quality and communication system |
| 04/30/2008 | CN100385842C Self-adaptive method and device for coding/decoding mode of self-adaptive multi-rate speech coder/decoder |
| 04/30/2008 | CN100385548C Window shaping functions for watermarking of multimedia signals |
| 04/29/2008 | USRE40281 Signal processing utilizing a tree-structured array |
| 04/29/2008 | USRE40280 Rate loop processor for perceptual encoder/decoder |
| 04/29/2008 | US7366908 Digital watermarking with content dependent keys and autocorrelation properties for synchronization |
| 04/29/2008 | US7366661 Information extracting device |
| 04/29/2008 | US7366660 Transmission apparatus, transmission method, reception apparatus, reception method, and transmission/reception apparatus |
| 04/29/2008 | US7366656 Method apparatus and system for processing acoustic signals |
| 04/29/2008 | US7366193 System and method for compensating packet delay variations |
| 04/24/2008 | WO2008048337A2 Single scan track initiation for radars having rotating, electronically scanned antennas |
| 04/24/2008 | WO2008048042A1 Apparatus and method for transmitting or replaying multi-channel audio signal |