| 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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| 01/17/2002 | WO2001067671A3 Data embedding in digital telephone signals |
| 01/17/2002 | WO2001033905A3 System and method for providing interactive audio in a multi-channel audio environment |
| 01/17/2002 | US20020007473 Method and configuration for error masking |
| 01/17/2002 | US20020007280 Wideband speech coding system and method |
| 01/17/2002 | US20020007273 Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment |
| 01/17/2002 | US20020007272 Speech coder and speech decoder |
| 01/17/2002 | US20020007271 Excitation vector generator, speech coder and speech decoder |
| 01/17/2002 | US20020007269 Codebook structure and search for speech coding |
| 01/17/2002 | US20020007268 Sinusoidal coding |
| 01/17/2002 | US20020006212 Digital watermarking apparatus and methods |
| 01/17/2002 | US20020006203 Electronic watermarking method and apparatus for compressed audio data, and system therefor |
| 01/17/2002 | CA2416128A1 Sub-band exponential smoothing noise canceling system |
| 01/16/2002 | EP1173028A2 Scalable encoding of media streams |
| 01/16/2002 | EP1172814A2 Automatic level control for changing audio mode of digital video recording apparatus |
| 01/16/2002 | EP1172803A2 Vector quantization system and method of operation |
| 01/16/2002 | EP1171885A1 System and method for displaying information on the screen of a user interface device under the control of a digital audio playback device |
| 01/16/2002 | CN1331826A Variable rate speech coding |
| 01/16/2002 | CN1331825A Periodic speech coding |
| 01/16/2002 | CN1331555A Voice signal coding device and method thereof |
| 01/15/2002 | US6339760 Method and system for synchronization of decoded audio and video by adding dummy data to compressed audio data |
| 01/15/2002 | US6339758 Noise suppress processing apparatus and method |
| 01/15/2002 | US6339757 Bit allocation method for digital audio signals |
| 01/15/2002 | US6339756 System for compression and decompression of audio signals for digital transmission |
| 01/10/2002 | WO2002003601A1 Speech coding |
| 01/10/2002 | WO2002003382A1 Method of converting line spectral frequencies back to linear prediction coefficients |
| 01/10/2002 | WO2002003381A1 Method and apparatus for tracking the phase of a quasi-periodic signal |
| 01/10/2002 | WO2002003380A1 Distributed speech recognition |
| 01/10/2002 | WO2001082289A3 Frame erasure compensation method in a variable rate speech coder |
| 01/10/2002 | WO2000067261A9 Multi-format personal digital audio player |
| 01/10/2002 | US20020004903 Controlled distributing of digital information, in particular audio |
| 01/10/2002 | US20020004718 Audio encoder and psychoacoustic analyzing method therefor |
| 01/10/2002 | US20020004717 Transmitter for transmitting a signal encoded in a narrow band, and receiver for extending the band of the signal at the receiving end |
| 01/10/2002 | US20020004716 Transmitter for transmitting a signal encoded in a narrow band, and receiver for extending the band of the encoded signal at the receiving end, and corresponding transmission and receiving methods, and system |
| 01/09/2002 | EP1170727A2 Audio encoder using psychoacoustic bit allocation |
| 01/09/2002 | EP1062661B1 Speech coding |
| 01/09/2002 | EP0590155B1 High-efficiency encoding method |
| 01/03/2002 | WO2002001439A2 Using a system for prediction of musical preferences for the distribution of musical content over cellular networks |
| 01/03/2002 | WO2002001438A2 System and method for prediction of musical preferences |
| 01/03/2002 | WO2001045870A3 System and method for transmitting comfort noise across a mobile communications network |
| 01/03/2002 | US20020002456 Audible error detector and controller utilizing channel quality data and iterative synthesis |
| 01/03/2002 | US20020002412 Digital audio system |
| 01/03/2002 | US20020001457 Automatic level control for changing audio mode of digital video recording apparatus |
| 01/03/2002 | US20020001396 Files and methods employing common information in both header and steganographic embedding |
| 01/03/2002 | US20020001395 Authenticating metadata and embedding metadata in watermarks of media signals |
| 01/03/2002 | US20020001303 Method and apparatus for practicing IP telephony from an Internet-capable radio |
| 01/03/2002 | DE10030841A1 Audiogerät zum Abspielen komprimierter und unkomprimierter Audiodateien Audio device to play compressed and uncompressed audio files |
| 01/03/2002 | DE10029038A1 Data output system for playing of audio and video data, has insert card carrier that receives number of plug-in cards for carrying over raw data and conditioned data |
| 01/03/2002 | DE10026904A1 Calculating gain for encoded speech transmission by dividing into signal sections and determining weighting factor from periodicity and stationarity |
| 01/02/2002 | EP1168886A2 Sound signal encoding apparatus and method |
| 01/02/2002 | EP1168693A1 Method and system for distributing audiovisual information |
| 01/02/2002 | EP1168651A2 Optimising audio coding through re-encoding |
| 01/02/2002 | EP1168329A2 Storage medium, apparatus for creating recordation data therefor and apparatus for restoring recorded data |
| 01/02/2002 | EP1168325A2 Audio apparatus for reproducing and processing compressed or uncompressed audio data, which has been recorded on an optical storage medium |
| 01/02/2002 | EP1166266A1 Portable data storage/audio reproduction apparatus |
| 01/02/2002 | EP1023727B1 Frame-based audio coding with additional filterbank to suppress aliasing artifacts at frame boundaries |
| 01/02/2002 | CN1329782A Method for transmitting information and suitable system therefor |
| 01/01/2002 | CA2059141C Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high quality audio |
| 12/27/2001 | WO2001099469A1 Speech reproduction system, speech signal generator system and calling system |
| 12/27/2001 | WO2001099317A1 Network delay identification method and apparatus |
| 12/27/2001 | WO2001099315A2 Method and apparatus for the compression and decompression of audio files using a chaotic system |
| 12/27/2001 | WO2001099295A2 Inband signaling over digital wireless telecommunications networks |
| 12/27/2001 | WO2001099109A1 Watermark embedding and extracting method for protecting digital audio contents copyright and preventing duplication and apparatus using thereof |
| 12/27/2001 | WO2001099097A1 Sinusoidal coding |
| 12/27/2001 | WO2001045410A3 A method and apparatus for watermarking digital content |
| 12/27/2001 | US20010056353 Fine-grained synchronization of a decompressed audio stream by skipping or repeating a variable number of samples from a frame |
| 12/27/2001 | US20010056343 Sound signal encoding apparatus and method |
| 12/27/2001 | US20010055981 Portable communication apparatus |
| 12/27/2001 | US20010055407 Computer system linked by using information in data objects |
| 12/27/2001 | US20010055352 Process and system for information transfer |
| 12/27/2001 | US20010055334 Method and apparatus for decoding variable rate data using hypothesis testing to determine data rate |
| 12/27/2001 | US20010055279 Multiplexing technique for audio teleconferencing |
| 12/27/2001 | US20010055253 Audio appliance for playing back compressed and uncompressed audio files |
| 12/27/2001 | CA2414093A1 Method and apparatus for the compression and decompression of audio files using a chaotic system |
| 12/26/2001 | CN1328684A Periodicity enhancement in decoding wideband signals |
| 12/26/2001 | CN1328683A High frequency content recovering methd and device for over-sampled synthesized wideband signal |
| 12/26/2001 | CN1328682A Perceptual weighting device and method for efficient coding of wideband signals |
| 12/26/2001 | CN1328681A Method and device for adaptive bandwidth pitch search in coding wideband signals |
| 12/25/2001 | US6334105 Multimode speech encoder and decoder apparatuses |
| 12/25/2001 | US6333763 Audio coding method and apparatus with variable audio data sampling rate |
| 12/20/2001 | WO2001097560A2 Portable audio devices |
| 12/20/2001 | WO2001097212A1 Frequency interpolating device and frequency interpolating method |
| 12/20/2001 | US20010054167 Data transfer system and data transfer method |
| 12/20/2001 | US20010053973 Bit allocation apparatus and method |
| 12/20/2001 | US20010053972 Method and apparatus for an encoding and decoding a speech signal by adaptively changing pulse position candidates |
| 12/20/2001 | US20010053236 Audio or video steganography |
| 12/20/2001 | US20010053190 Broadcast encoding system and method |
| 12/20/2001 | US20010052865 Voice recording/reproducing device by using adaptive differential pulse code modulation method |
| 12/20/2001 | DE10116142A1 Method of speaker voice recognition by telephone signals, involves picking off the voice signal via a microphone forming part of the telephone |
| 12/19/2001 | EP1164580A1 Multi-mode voice encoding device and decoding device |
| 12/19/2001 | EP1164579A2 Audible signal encoding method |
| 12/19/2001 | EP1164578A2 Speech decoding method and apparatus |
| 12/19/2001 | EP1164577A2 Method and apparatus for reproducing speech signals |
| 12/19/2001 | EP1163668A1 An adaptive post-filtering technique based on the modified yule-walker filter |
| 12/19/2001 | EP0732686B1 Low-delay code-excited linear-predictive coding of wideband speech at 32kbits/sec |
| 12/19/2001 | EP0688480B1 A method and system for audio information dissemination using various transmission modes |
| 12/19/2001 | EP0653846B1 Apparatus and method for coding or decoding signals, and recording medium |
| 12/19/2001 | CN1327590A Transmission of a digital information signal having M bit PCM samples |
| 12/19/2001 | CN1327587A Ebedding and detecting watermarks in one-dimensional information signals |
| 12/19/2001 | CN1327574A Sound decoding device and sound decoding method |
| 12/19/2001 | CN1327329A Sound processing method and sound processing equipment |