| 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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| 01/01/2004 | US20040002852 Auditory-articulatory analysis for speech quality assessment |
| 01/01/2004 | US20040001608 Image processor and image processing method |
| 01/01/2004 | US20040001599 System and method of noise reduction in receiving wireless transmission of packetized audio signals |
| 12/31/2003 | WO2004002126A1 System and method for queuing and presenting audio messages |
| 12/31/2003 | WO2004002041A2 Broadcast router having a multirate serial digital audio data stream encoder |
| 12/31/2003 | WO2004001721A2 Methods and systems for compression of stored auto |
| 12/31/2003 | CN1465182A Data transmitting device and method |
| 12/31/2003 | CN1465149A Transmission apparatus, transmission method, reception apparatus, reception method, and transmission, reception apparatus |
| 12/31/2003 | CN1465140A Coding and decoding of partially a priori known information |
| 12/31/2003 | CN1465138A Compressing device and method, decompressing device and method, compressing, decompressing system, program, record medium |
| 12/31/2003 | CN1465045A Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices |
| 12/31/2003 | CN1465044A Acoustic signal encoding method and apparatus, acoustic signal decoding method and apparatus, and recording medium |
| 12/31/2003 | CN1464758A Processing method for implementing multiple voice services |
| 12/31/2003 | CN1133167C MPEG portable sound reproducing system and reproducing method thereof |
| 12/31/2003 | CN1133151C 纠正传输差错的声频信号解码方法 To correct transmission errors of audio signal decoding method |
| 12/30/2003 | US6671325 Wireless infrared digital audio system |
| 12/30/2003 | US6671292 Method and system for adaptive voice buffering |
| 12/25/2003 | WO2003107329A1 Audio coding system using characteristics of a decoded signal to adapt synthesized spectral components |
| 12/25/2003 | WO2003107328A1 Audio coding system using spectral hole filling |
| 12/25/2003 | US20030236674 Methods and systems for compression of stored audio |
| 12/25/2003 | US20030236584 Method and apparatus for processing digital audio signal |
| 12/25/2003 | US20030236583 Hybrid multi-channel/cue coding/decoding of audio signals |
| 12/25/2003 | US20030235407 System and method for queuing and presenting audio messages |
| 12/25/2003 | US20030235317 Equalization for audio mixing |
| 12/25/2003 | US20030235217 System and method for compensating packet delay variations |
| 12/24/2003 | WO2003107668A1 Information terminal and information communication system |
| 12/24/2003 | WO2003107539A1 Method and apparatus for puncturing with unequal error protection in a wireless communication system |
| 12/24/2003 | WO2003073741A3 Scalable compression of audio and other signals |
| 12/24/2003 | WO2003058407A3 A transcoding scheme between celp-based speech codes |
| 12/24/2003 | CN2594842Y Multifunctional watches |
| 12/24/2003 | CN1463547A Audio coding with partial encryption |
| 12/24/2003 | CN1463496A Sub-band adaptive differential pulse code modulation/encoding appts. its method, wireless transmission system and wirel |
| 12/24/2003 | CN1463495A Reduced data stream for transmitting signal |
| 12/24/2003 | CN1463442A Method and appts. for editing data streams |
| 12/24/2003 | CN1463433A Method of recording on recording medium, and recording device, and method of reproducing from recording medium and reproducing device |
| 12/24/2003 | CN1463421A Digital signal processing appts. and processing method and digital signal reproduction/reception system |
| 12/24/2003 | CN1463398A Dictation machine able to provide setup information for speech data |
| 12/24/2003 | CN1132460C Telephone device comprising digital processing element for speech signal and method implement in such device |
| 12/24/2003 | CN1132458C 改进语音质量尤其是网间协议话音通话语音质量的装置 Improved voice quality, especially internet protocol voice call voice quality device |
| 12/24/2003 | CN1132327C Device for producing comfortable noise and voice coding and decoding device including said device |
| 12/24/2003 | CN1132325C Device and method for producing noise in digital receiver |
| 12/24/2003 | CN1132319C Block size determination used in audio frequency conversion coding and self adaptive method |
| 12/24/2003 | CN1132317C Methods for recording, reproducing transmitting and/or receiving compressed data |
| 12/24/2003 | CN1132157C 线性预测分析合成的编码方法和编码器 Linear prediction analysis by synthesis coding method and encoder |
| 12/24/2003 | CN1132156C CELP speech coder with reduced complexity synthesis filter |
| 12/24/2003 | CN1132155C 确定语音编码参数的方法和设备 The method and apparatus of determining the speech coding parameters |
| 12/24/2003 | CN1132154C 多信道信号编码和解码 Multichannel signal coding and decoding |
| 12/24/2003 | CN1132153C Filter for speech mofification or enhancement, and various appts., system and method using same |
| 12/24/2003 | CN1132152C 用于执行音频信号的传输质量的机器支持的评估的方法 A method for performing a transmission quality of the audio signal of the machine support assessment |
| 12/24/2003 | CN1132151C Multi-channel sound decoder |
| 12/24/2003 | CN1132150C System and methods for communication desived audio information over communications medium |
| 12/24/2003 | CN1132146C Method and appts. for synthesizing speech |
| 12/24/2003 | CA2736055A1 Audio coding system using spectral hole filling |
| 12/23/2003 | US6667950 Non-PCM coded information on a CD audio disc |
| 12/23/2003 | CA2314451C Subband encoding and decoding system |
| 12/18/2003 | WO2003105068A1 Method and apparatus to detect watermark that are resistant to resizing, rotation and translation |
| 12/18/2003 | WO2003104935A2 Multimedia server with simple adaptation to dynamic network loss conditions |
| 12/18/2003 | WO2003104924A2 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 12/18/2003 | WO2003104760A1 Speech signal interpolation device, speech signal interpolation method, and program |
| 12/18/2003 | WO2003086017A3 Signal processing |
| 12/18/2003 | WO2003048900A3 System and method for compensating packet delay variations |
| 12/18/2003 | WO2002062120A3 Method and apparatus for speech reconstruction in a distributed speech recognition system |
| 12/18/2003 | US20030233240 Method for arranging voice feedback to a digital wireless terminal device and corresponding terminal device, server and software devices to implement the method |
| 12/18/2003 | US20030233236 Audio coding system using characteristics of a decoded signal to adapt synthesized spectral components |
| 12/18/2003 | US20030233234 Audio coding system using spectral hole filling |
| 12/18/2003 | US20030233229 Digital audio signal processing method with improved processing efficiency |
| 12/18/2003 | US20030233228 Audio coding system and method |
| 12/18/2003 | US20030231799 Lossless data compression using constraint propagation |
| 12/18/2003 | US20030231785 Watermark embedder and reader |
| 12/18/2003 | US20030231774 Method and apparatus for preserving matrix surround information in encoded audio/video |
| 12/18/2003 | CA2488689A1 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
| 12/17/2003 | EP1372334A2 Method of embedding a machine readable steganographic code |
| 12/17/2003 | EP1372289A2 Generation of a frame descriptor of silence for generation of comfort noise |
| 12/17/2003 | EP1371055A2 Device for the analysis of an audio signal with regard to the rhythm information in the audio signal using an auto-correlation function |
| 12/17/2003 | EP1125286B1 Perceptual weighting device and method for efficient coding of wideband signals |
| 12/17/2003 | CN1462558A Coding device, coding method, program and recording medium |
| 12/17/2003 | CN1462439A Generation and detection of watermark robust against resampling of audio signal |
| 12/17/2003 | CN1462429A Audio coding |
| 12/17/2003 | CN1462427A Estimating signal power in compressed audio |
| 12/17/2003 | CN1462426A Silence detector |
| 12/17/2003 | CN1462027A Voice-frequency processing equipment and voice-frequency processing method |
| 12/17/2003 | CN1131598C Scalable audio coding/decoding method and apparatus |
| 12/17/2003 | CN1131594C Sound coding device, and decoding device, optical recording medium and sound transmission method |
| 12/17/2003 | CN1131508C Transmission system comprising at least a coder |
| 12/17/2003 | CN1131507C Audio signal encoding device, decoding device and audio signal encoding-decoding device |
| 12/16/2003 | US6665646 Predictive balanced multiple description coder for data compression |
| 12/16/2003 | US6665638 Adaptive short-term post-filters for speech coders |
| 12/16/2003 | US6665637 Error concealment in relation to decoding of encoded acoustic signals |
| 12/11/2003 | WO2003103273A1 Encoding and decoding of watermarks in independent channels |
| 12/11/2003 | WO2003103151A1 Method and system for multi-rate lattice vector quantization of a signal |
| 12/11/2003 | WO2003102947A1 Re-embedding of watermarks in multimedia signals |
| 12/11/2003 | WO2003102923A2 Methode and device for pitch enhancement of decoded speech |
| 12/11/2003 | WO2003102922A1 Audio coding |
| 12/11/2003 | WO2003102921A1 Method and device for efficient frame erasure concealment in linear predictive based speech codecs |
| 12/11/2003 | WO2003049003A3 Systems and methods for tv navigation with compressed voice-activated commands |
| 12/11/2003 | US20030228031 Methods for marking images |
| 12/11/2003 | US20030228030 Method and apparatus to detect watermark that are resistant to resizing, rotation and translation |
| 12/11/2003 | CA2483791A1 Method and device for efficient frame erasure concealment in linear predictive based speech codecs |
| 12/10/2003 | EP1370114A2 Matrix improvements to lossless encoding and decoding |
| 12/10/2003 | EP1368805A2 Method and device for characterising a signal and method and device for producing an indexed signal |