| 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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| 08/18/2004 | EP1446797A1 Method of transmission of wideband audio signals on a transmission channel with reduced bandwidth |
| 08/18/2004 | EP1446796A1 Tracking of sinusoidal parameters in an audio coder |
| 08/18/2004 | EP1368805B1 Method and device for characterising a signal and method and device for producing an indexed signal |
| 08/18/2004 | EP0883107B1 Sound source vector generator, voice encoder, and voice decoder |
| 08/18/2004 | EP0773630B1 Sound decoding device |
| 08/18/2004 | CN1163080C Audio data decoder |
| 08/18/2004 | CN1162856C Signal processing circuits |
| 08/18/2004 | CN1162841C Mitigating errors in distributed speech recognition process |
| 08/17/2004 | US6779181 Micro-scheduling method and operating system kernel |
| 08/17/2004 | US6778956 Voice recording-reproducing system and voice recording-reproducing method using the same |
| 08/17/2004 | US6778953 Method and apparatus for representing masked thresholds in a perceptual audio coder |
| 08/17/2004 | US6778682 Redundantly embedding auxiliary data in source signals |
| 08/17/2004 | CA2327681C Channel code configurations for digital audio broadcasting systems and other types of communication systems |
| 08/17/2004 | CA2295283C Joint multiple program coding for digital audio broadcasting and other applications |
| 08/12/2004 | WO2004068893A2 Method and apparatus for noise suppression within a distributed speech recognition system |
| 08/12/2004 | WO2004068379A1 Information processing system, information processing device, information processing method, program, and recording medium |
| 08/12/2004 | WO2004068098A1 Audio packet vanishment concealing device, audio packet vanishment concealing method, reception terminal, and audio communication system |
| 08/12/2004 | WO2004019317A3 Identification end exclusion of pause frames for speech storage, transmission and playback |
| 08/12/2004 | WO2004001721A3 Methods and systems for compression of stored auto |
| 08/12/2004 | WO2003001508A8 Method for multiple access and transmission in a point-to-multipoint system on an electric network |
| 08/12/2004 | US20040158792 Normalizing device and method, program, record medium on which the program is recorded, and communication terminal |
| 08/12/2004 | US20040158472 Method and apparatus for encoding or decoding an audio signal that is processed using multiple subbands and overlapping window functions |
| 08/12/2004 | US20040158463 Method and apparatus for improved quality voice transcoding |
| 08/12/2004 | US20040158456 System, method, and apparatus for fast quantization in perceptual audio coders |
| 08/12/2004 | US20040157601 Method for enabling a subscriber entity to actively communicate in a communication network |
| 08/12/2004 | US20040156529 Methods and tangible objects employing textured machine readable data |
| 08/12/2004 | US20040156397 Method and apparatus for reducing synchronization delay in packet switched voice terminals using speech decoder modification |
| 08/12/2004 | US20040155964 Audio processing using a video rasterizer |
| 08/11/2004 | EP1444823A2 Digital watermarks and methods for security documents |
| 08/11/2004 | EP1444689A1 Determination of the presence of additional coded data in a data frame |
| 08/11/2004 | EP1444688A2 Encoding device and decoding device |
| 08/11/2004 | EP1107230B1 Method of processing multiple digital audio data streams |
| 08/11/2004 | EP0846375B2 Process and device for the scalable coding of audio signals |
| 08/11/2004 | CN1520590A Wideband signal transmission system |
| 08/11/2004 | CN1520589A Device and method for processing audio signal |
| 08/11/2004 | CN1520069A 噪声抑制器 Noise suppressor |
| 08/11/2004 | CN1519684A Data transmitting method and data transmitting appts. |
| 08/11/2004 | CN1161889C Appts. and method of digital multiple data information signals and decoder thereof |
| 08/11/2004 | CN1161786C Recording/reproducing device and recording/reproducing method |
| 08/11/2004 | CN1161751C Speech analysis method and speech encoding method and apparatus thereof |
| 08/11/2004 | CN1161750C Speech encoding and decoding method and apparatus, telphone set, tone changing method and medium |
| 08/11/2004 | CN1161749C Method and apparatus for maintaining a target bit rate in speech coder |
| 08/10/2004 | US6775654 Digital audio reproducing apparatus |
| 08/10/2004 | US6775650 Method for conditioning a digital speech signal |
| 08/10/2004 | US6775649 Concealment of frame erasures for speech transmission and storage system and method |
| 08/10/2004 | US6775648 Dictation and transcription apparatus |
| 08/10/2004 | US6775587 Method of encoding frequency coefficients in an AC-3 encoder |
| 08/10/2004 | US6775392 Computer system linked by using information in data objects |
| 08/10/2004 | US6774820 Matrix improvements to lossless encoding and decoding |
| 08/10/2004 | CA2288713C Subscriber handoff between multiple access communications system |
| 08/05/2004 | WO2004066272A1 Reversible watermarking of digital signals |
| 08/05/2004 | WO2004066269A2 Method and apparatus for speech reconstruction within a distributed speech recognition system |
| 08/05/2004 | WO2004032418A3 Secure audio stream scrambling system |
| 08/05/2004 | US20040153941 Code generating method and unit thereof, code detecting method and unit thereof, and watermark embedding unit and watermark detecting unit |
| 08/05/2004 | US20040153933 Error correction encoding method, error correction decoding method, error correction encoding apparatus, and error correction decoding apparatus |
| 08/05/2004 | US20040153789 Audio signal processing apparatus |
| 08/05/2004 | US20040153318 System and method for enhancing bit error tolerance over a bandwidth limited channel |
| 08/05/2004 | US20040153317 600 Bps mixed excitation linear prediction transcoding |
| 08/05/2004 | US20040153316 Voice transcoder |
| 08/05/2004 | US20040153314 Speech signal interpolation device, speech signal interpolation method, and program |
| 08/05/2004 | US20040151259 Method of decoding a turbo-code encoded signal in a receiver and corresponding receiver |
| 08/05/2004 | DE202004002269U1 Arrangement for quantising information signal has quantising step function that forms filtered information values on quantised information values with steeper gradient below threshold value |
| 08/05/2004 | DE202004002264U1 Audio encoding arrangement has device for including information from which quantised, filtered audio values, parameterisation version can be derived and parameterisation combination in coded signal |
| 08/05/2004 | DE10356054A1 System und Verfahren zum Synthetisieren einer Vielzahl von Stimmen System and method for synthesizing a plurality of voices |
| 08/04/2004 | EP1442566A2 Method and system for transferring ip packets by aggregating multiple wireless communication channels for high data rate transfers |
| 08/04/2004 | EP1442453A1 Frequency-differential encoding of sinusoidal model parameters |
| 08/04/2004 | EP1354314B1 Method and device for producing a scalable data stream, and method and device for decoding a scalable data stream while taking a bit bank function into account |
| 08/04/2004 | EP1214706B1 Multimode speech encoder |
| 08/04/2004 | EP0908023B1 Communication protocol for spread spectrum wireless communication system |
| 08/04/2004 | CN1518336A Electronic camera and information equipment and portable information device |
| 08/04/2004 | CN1517980A Quantization noise shaping method and device |
| 08/04/2004 | CN1160940C Code gererating method, detection method and its equipment, water mark embedding device and detector |
| 08/04/2004 | CN1160703C Speech encoding method and apparatus, and sound signal encoding method and apparatus |
| 08/04/2004 | CN1160702C Coding method and apparatus for using multi-channel audio signals |
| 08/04/2004 | CN1160632C Method and apparatus for processing digitally encoded audio data |
| 08/03/2004 | US6772127 Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process |
| 08/03/2004 | US6772126 Method and apparatus for transferring low bit rate digital voice messages using incremental messages |
| 08/03/2004 | US6772115 LSP quantizer |
| 08/03/2004 | US6772114 High frequency and low frequency audio signal encoding and decoding system |
| 08/03/2004 | US6772113 Data processing apparatus for processing sound data, a data processing method for processing sound data, a program providing medium for processing sound data, and a recording medium for processing sound data |
| 08/03/2004 | US6772112 System and method to reduce speech delay and improve voice quality using half speech blocks |
| 08/03/2004 | US6772111 Digital audio coding apparatus, method and computer readable medium |
| 08/03/2004 | US6772022 Methods and apparatus for providing sample rate conversion between CD and DAT |
| 08/03/2004 | US6771887 Recording/reproducing apparatus and recording/reproducing method |
| 08/03/2004 | US6771796 Methods for identifying equipment used in counterfeiting |
| 08/03/2004 | US6771777 Process for coding and decoding stereophonic spectral values |
| 08/03/2004 | US6771569 Recording medium, editing method and editing apparatus |
| 08/03/2004 | CA2341864C Device and method for entropy encoding of information words and device and method for decoding entropy-encoded information words |
| 07/29/2004 | WO2004064041A1 Method and apparatus for improved quality voice transcoding |
| 07/29/2004 | WO2004064039A2 Method and apparatus for artificial bandwidth expansion in speech processing |
| 07/29/2004 | US20040148175 Language learning system and a digital storage unit |
| 07/29/2004 | US20040148162 Method for encoding and transmitting voice signals |
| 07/29/2004 | US20040148160 Method and apparatus for noise suppression within a distributed speech recognition system |
| 07/29/2004 | US20040148159 Method for time aligning audio signals using characterizations based on auditory events |
| 07/29/2004 | US20040148158 Information display control device and recording media that stores information display control programs |
| 07/29/2004 | US20040146165 Digital music broadcasting audio system |
| 07/29/2004 | US20040144236 System, method and computer program for ensuring secure use of music playing data files |
| 07/29/2004 | DE10310785A1 Verfahren und Architektur einer digitalen Codierung zum Übertragen und Packen von Audiosignalen Method and architecture of a digital coding for transmitting and packing audio signals |
| 07/28/2004 | EP1441492A1 Telephone apparatus with recording function |
| 07/28/2004 | EP1441330A2 Method of encoding and/or decoding digital audio using time-frequency correlation and apparatus performing the method |