| 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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| 04/05/2007 | US20070078650 Echo avoidance in audio time stretching |
| 04/05/2007 | US20070078646 Method and apparatus to encode/decode audio signal |
| 04/05/2007 | US20070078645 Filterbank-based processing of speech signals |
| 04/04/2007 | EP1769655A1 Method, device, encoder apparatus, decoder apparatus and audio system |
| 04/04/2007 | EP1769492A1 Comfort noise generator using modified doblinger noise estimate |
| 04/04/2007 | EP1769491A1 Audio channel conversion |
| 04/04/2007 | EP1769490A2 Anti-terrorism communications systems and devices |
| 04/04/2007 | EP1454315B1 Signal modification method for efficient coding of speech signals |
| 04/04/2007 | EP0455738B2 Low bit rate transform coder, decoder and encoder/decoder for high-quality audio |
| 04/04/2007 | CN1942962A Audio reproducing apparatus, audio reproducing method, and program |
| 04/04/2007 | CN1942931A Audio bitstream format in which the bitstream syntax is described by an ordered transveral of a tree hierarchy data structure |
| 04/04/2007 | CN1942930A Reduced computational complexity of bit allocation for perceptual coding |
| 04/04/2007 | CN1942929A Multi-channel encoder |
| 04/04/2007 | CN1942928A Coding of audio signals |
| 04/04/2007 | CN1941144A Data recording and reproducing apparatus, method, and program therefor |
| 04/04/2007 | CN1308950C Voice code device and decode device, as well as transmission and reception method |
| 04/04/2007 | CN1308949C Audio signal processing with adaptive noise-shaping modulation |
| 04/04/2007 | CN1308913C Encoder, decoder and method |
| 04/04/2007 | CN1308912C Method and equipment for embedding supplementary data in an information signal |
| 04/04/2007 | CN1308854C Medium processing equipment using external storage device |
| 04/03/2007 | US7200559 Semantic object synchronous understanding implemented with speech application language tags |
| 04/03/2007 | US7200557 Method of reducing index sizes used to represent spectral content vectors |
| 04/03/2007 | US7200553 LPAS speech coder using vector quantized, multi-codebook, multi-tap pitch predictor and optimized ternary source excitation codebook derivation |
| 04/03/2007 | US7200552 Gradient descent optimization of linear prediction coefficients for speech coders |
| 04/03/2007 | US7200324 Magnetic-tape recording apparatus and method, magnetic-tape reproduction apparatus and method, and recording medium |
| 03/29/2007 | WO2007035140A1 Method and test signal for measuring speech intelligibility |
| 03/29/2007 | WO2007034375A2 Determination of a distortion measure for audio encoding |
| 03/29/2007 | WO2007007263A3 Audio encoding and decoding |
| 03/29/2007 | WO2005091273A3 Method of comfort noise generation for speech communication |
| 03/29/2007 | US20070073545 Receiving device and method |
| 03/29/2007 | US20070073535 Synchronizing a channel codec and vocoder of a mobile station |
| 03/29/2007 | US20070071277 Apparatus and method for embedding a watermark using sub-band filtering |
| 03/29/2007 | US20070071253 Signal processing method and apparatus |
| 03/29/2007 | US20070071116 Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof |
| 03/28/2007 | EP1768454A2 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 03/28/2007 | EP1768451A1 Acoustic signal encoding device and acoustic signal decoding device |
| 03/28/2007 | EP1768107A1 Audio signal decoding device and audio signal encoding device |
| 03/28/2007 | EP1768106A1 Audio encoding device and audio encoding method |
| 03/28/2007 | EP1768105A1 Audio encoding device, audio decoding device, and method thereof |
| 03/28/2007 | EP1768104A1 Signal encoding device and method, and signal decoding device and method |
| 03/28/2007 | EP1766615A2 System and method for enhanced artificial bandwidth expansion |
| 03/28/2007 | EP1766614A2 Neuroevolution-based artificial bandwidth expansion of telephone band speech |
| 03/28/2007 | EP1695337B1 Method and apparatus for detecting a watermark in a signal |
| 03/28/2007 | EP1325495B1 Multi-channel signal encoding and decoding |
| 03/28/2007 | EP0936597B1 Storage medium having electronic circuits, and voice synthesizer having the storage medium |
| 03/28/2007 | CN1938760A Multi-channel encoder |
| 03/28/2007 | CN1938759A Mpeg音频解码方法 Mpeg audio decoding method |
| 03/28/2007 | CN1938758A Method and apparatus for determining an estimate |
| 03/28/2007 | CN1937810A Communication apparatus and display method |
| 03/28/2007 | CN1937032A Method for cutting speech-sound data sequence |
| 03/28/2007 | CN1307614C Method and arrangement for synthesizing speech |
| 03/28/2007 | CN1307612C Encoding and decoding method for audio signal, encoder, decoder, and related equipments |
| 03/28/2007 | CN1307611C Method for speech quality assessment |
| 03/27/2007 | US7197458 Method and system for verifying derivative digital files automatically |
| 03/27/2007 | US7197454 Audio coding |
| 03/27/2007 | US7197436 System and method for measuring audio processing attributes in a computer system |
| 03/27/2007 | US7197299 Multiple message multilevel analog signal recording and playback system containing configurable analog processing functions |
| 03/27/2007 | US7197093 Digital signal processing apparatus and digital signal processing method |
| 03/27/2007 | US7197079 Transmitting device for transmitting a digital information signal alternately in encoded form and non-encoded form |
| 03/27/2007 | US7196982 Information recording apparatus, information recording method, program storage medium and computer data signal which allow computer to function as information recording apparatus |
| 03/27/2007 | CA2305534C Frame-based audio coding with gain-control words |
| 03/22/2007 | WO2007032650A1 Method and apparatus for decoding an audio signal |
| 03/22/2007 | WO2007032648A1 Method and apparatus for decoding an audio signal |
| 03/22/2007 | WO2007032647A1 Method and apparatus for decoding an audio signal |
| 03/22/2007 | WO2007032646A1 Method and apparatus for decoding an audio signal |
| 03/22/2007 | WO2007032198A1 Data selecting program |
| 03/22/2007 | WO2007031423A1 Blind watermarking of audio signals by using phase modifications |
| 03/22/2007 | WO2007031171A1 Partially complex modulated filter bank |
| 03/22/2007 | WO2007008013A3 Apparatus and method of encoding and decoding audio signal |
| 03/22/2007 | WO2007008001A3 Apparatus and method of encoding and decoding audio signal |
| 03/22/2007 | WO2007007999A3 Apparatus and method of encoding and decoding audio signal |
| 03/22/2007 | WO2007006958A3 Method and device for attenuating echoes of a digital audio signal derived from a multilayer encoder |
| 03/22/2007 | WO2006116024A3 Systems, methods, and apparatus for gain factor attenuation |
| 03/22/2007 | US20070067166 Method and device of multi-resolution vector quantilization for audio encoding and decoding |
| 03/22/2007 | US20070067165 Correlation domain formant enhancement |
| 03/22/2007 | US20070067164 Circuits, processes, devices and systems for codebook search reduction in speech coders |
| 03/22/2007 | US20070067162 Audio signal encoding or decoding |
| 03/22/2007 | US20070064957 System for reproducing sound |
| 03/22/2007 | US20070064817 Audio enhancement communication techniques |
| 03/22/2007 | DE19819423B4 Verfahren und Vorrichtung zum Ausführen einer Übergabe zwischen Kommunikationssystemen mit unterschiedlichen Vielfachzugriffsschemata Method and apparatus for performing a handoff between communications systems having different multiple access schemes |
| 03/21/2007 | EP1764923A1 Multi-channel signal encoding method, decoding method, device thereof, program, and recording medium thereof |
| 03/21/2007 | EP1764780A1 Blind watermarking of audio signals by using phase modifications |
| 03/21/2007 | EP1763871A1 Wireless audio |
| 03/21/2007 | EP1763870A1 Generation of a multichannel encoded signal and decoding of a multichannel encoded signal |
| 03/21/2007 | EP1763869A1 Scale searching for watermark detection |
| 03/21/2007 | EP1312076B1 Audio signal transmission |
| 03/21/2007 | EP1157377B1 Speech enhancement with gain limitations based on speech activity |
| 03/21/2007 | EP1025536B1 System and method for performing wavelet-like and inverse wavelet-like transformations of digital data |
| 03/21/2007 | CN1934619A Audio coding |
| 03/21/2007 | CN1934618A Method for restoring partials of a sound signal |
| 03/21/2007 | CN1933626A Double-mode mobile terminal |
| 03/21/2007 | CN1933413A Group broadcasting member management method for radio local network IP group broadcasting frame transmission |
| 03/21/2007 | CN1933002A Data recording method, data recording apparatus, and data recording program |
| 03/21/2007 | CN1932970A Method for generating harmonics using fourier transform and apparatus thereof, method for generating harmonics by down-sampling and apparatus thereof and method for enhancing sound and apparatus there |
| 03/21/2007 | CN1306473C Fast code-vector searching device and method |
| 03/21/2007 | CN1306451C 内容供应系统 Content Supply System |
| 03/21/2007 | CN1306427C Digital signal processing device and digital signal processing method |
| 03/20/2007 | US7194408 CELP encoding/decoding method and apparatus |
| 03/20/2007 | US7194407 Audio coding method and apparatus |
| 03/20/2007 | US7194192 Recording medium for storing encrypted audio data, apparatus for and method of recording the same, and apparatus for and method of reproducing the same |