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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12/07/2004 | CA2218217C Reduced complexity signal transmission system |
12/02/2004 | WO2004105253A1 Data processing device, encoding device, encoding method, decoding device, decoding method, and program |
12/02/2004 | US20040243417 Natural language processing for a location-based services system |
12/02/2004 | US20040243404 Method and apparatus for improving voice quality of encoded speech signals in a network |
12/02/2004 | US20040243402 Speech bandwidth extension apparatus and speech bandwidth extension method |
12/02/2004 | US20040243399 Computer system and method of controlling the same |
12/02/2004 | US20040243398 Voice recording and reproducing apparatus and additional voice information recording method |
12/02/2004 | US20040243397 Device and process for use in encoding audio data |
12/02/2004 | US20040243393 Semantic object synchronous understanding implemented with speech application language tags |
12/02/2004 | US20040240862 Method for processing a digital video signal |
12/02/2004 | US20040240575 Method and apparatus to enhance audio quality for digitized voice transmitted over a channel employing frequency diversity |
12/02/2004 | US20040240436 Method and apparatus for voice latency reduction in a voice-over-data wireless communication system |
12/02/2004 | US20040240418 Electronic apparatus with communication device |
12/02/2004 | US20040239538 Digital signal processing device and digital signal processing method |
12/02/2004 | CA2526261A1 Method and apparatus for extending band of audio signal using higher harmonic wave generator |
12/01/2004 | EP1482481A1 Semantic object synchronous understanding implemented with speech application language tags |
12/01/2004 | EP1114415B1 Linear predictive analysis-by-synthesis encoding method and encoder |
12/01/2004 | CN1552072A Recording apparatus and method, and communication device and method |
12/01/2004 | CN1552060A Improving transient performance of low bit rate audio coding systems by reducing pre-noise |
12/01/2004 | CN1552059A Method and apparatus for speech reconstruction in a distributed speech recognition system |
12/01/2004 | CN1551588A Apparatus and method for processing audio signal and computer readable recording medium storing computer program for the method |
12/01/2004 | CN1551516A Apparatus and method for controlling noise in mobile communication terminal |
12/01/2004 | CN1551191A Transmission of a digital information signal having a specific first sampling frequency |
12/01/2004 | CN1551105A Signal processing apparatus |
12/01/2004 | CN1178438C Method and apparatus supporting TDD/TTY modulation over vocoded channels |
12/01/2004 | CN1178204C Acoustic vector genrating device, and acoustic encoding and decoding device |
12/01/2004 | CN1178125C Reproducing device and reproducing method |
11/30/2004 | US6826527 Concealment of frame erasures and method |
11/30/2004 | US6826526 Audio signal coding method, decoding method, audio signal coding apparatus, and decoding apparatus where first vector quantization is performed on a signal and second vector quantization is performed on an error component resulting from the first vector quantization |
11/29/2004 | CA2467220A1 Semantic object synchronous understanding implemented with speech application language tags |
11/25/2004 | WO2004102969A1 Device and method for embedding a binary piece of user data in a carrier signal |
11/25/2004 | WO2004102532A1 Improved audio coding systems and methods using spectral component coupling and spectral component regeneration |
11/25/2004 | WO2004102531A1 Apparatus and method for concealing erased periodic signal data |
11/25/2004 | WO2004102528A1 Audio electronic watermarking device |
11/25/2004 | WO2004102464A2 Reversible watermarking and related applications |
11/25/2004 | WO2004064039A3 Method and apparatus for artificial bandwidth expansion in speech processing |
11/25/2004 | WO2003104924A3 Acoustical virtual reality engine and advanced techniques for enhancing delivered sound |
11/25/2004 | US20040236583 Audio signal processing apparatus |
11/25/2004 | US20040236572 Device and method for processing and audio signal |
11/25/2004 | US20040236568 Extension of m3u file format to support user interface and navigation tasks in a digital audio player |
11/25/2004 | US20040233923 Method and system for transmitting data from a first data network into a second data network |
11/25/2004 | CA2521601A1 Improved audio coding systems and methods using spectral component coupling and spectral component regeneration |
11/24/2004 | EP1480201A2 Reduction of quantization-induced block-discontinuities in an audio coder |
11/24/2004 | EP1480101A2 Content access control |
11/24/2004 | EP1479071A2 Parametric audio coding |
11/24/2004 | EP1479067A1 Text-to-speech native coding in a communication system |
11/24/2004 | EP1214800B1 Personal information system, especially a personal guide system, for wirelessly transmitting voice information |
11/24/2004 | EP0976126B1 Method and apparatus in coding digital information |
11/24/2004 | CN1550013A Method and apparatus for elapsed playback timekeeping of variable bit-rate digitally encoded audio data files |
11/24/2004 | CN1550001A Auditory-articulatory analysis for speech quality assessment |
11/24/2004 | CN1550000A Compensation for utterance dependent articulation for speech quality assessment |
11/24/2004 | CN1549999A Run time synthesizer adaptation to improve intelligibility of synthesized speech |
11/23/2004 | US6823303 Speech encoder using voice activity detection in coding noise |
11/23/2004 | US6823302 Real-time quality analyzer for voice and audio signals |
11/18/2004 | WO2004100127A1 Method and apparatus for transferring data over a voice channel |
11/18/2004 | US20040230467 Method for passive mining of usage information in a location-based services system |
11/18/2004 | US20040230429 Block-constrained TCQ method, and method and apparatus for quantizing LSF parameter employing the same in speech coding system |
11/18/2004 | US20040230428 Method and apparatus for blind source separation using two sensors |
11/18/2004 | US20040230427 Audio signal compression |
11/18/2004 | US20040230426 Signal processing apparatus |
11/18/2004 | US20040230425 Rate control for coding audio frames |
11/18/2004 | US20040230423 Multiple channel mode decisions and encoding |
11/18/2004 | US20040230419 DRAM access for MDCT/IDMCT implementation |
11/17/2004 | EP1407446B1 Method and device for characterising a signal and for producing an indexed signal |
11/17/2004 | EP1397799B1 Method and device for processing time-discrete audio sampled values |
11/17/2004 | EP1293961B1 A signal processing method to analyse transients of a speech signal |
11/17/2004 | EP1159740B1 A method and apparatus for pre-processing speech signals prior to coding by transform-based speech coders |
11/17/2004 | EP1121764A4 Method and apparatus for digital signal compression without decoding |
11/17/2004 | EP1046154B1 A vocoder-based voice recognizer |
11/17/2004 | EP0821849B1 Reduced complexity encoder for signal transmission system |
11/17/2004 | CN1547803A Audio processing device |
11/17/2004 | CN1547734A Acoustic signal encoding method and encoding device, acoustic signal decoding method and decoding device, program and recording medium image display device |
11/17/2004 | CN1547724A Lossless intraframe encoding using GOLOMB-RICE |
11/17/2004 | CN1547193A Invariant codebook fast search algorithm for speech coding |
11/17/2004 | CN1547192A An audio synthesis method |
11/17/2004 | CN1176550C Method and device for changing output delay of voice data code or video data code |
11/16/2004 | US6820052 Low bit-rate coding of unvoiced segments of speech |
11/16/2004 | US6819275 Audio signal compression |
11/16/2004 | CA2363045C Intensity-stereo encoding in a transmission system |
11/11/2004 | WO2004098105A1 Support of a multichannel audio extension |
11/11/2004 | WO2004098069A1 Methods and apparatus to perform spread spectrum encoding and decoding for broadcast applications |
11/11/2004 | WO2004098066A1 Floating point type digital signal reversible encoding method, decoding method, devices for them, and programs for them |
11/11/2004 | WO2004097798A1 Speech decoder, speech decoding method, program, recording medium |
11/11/2004 | WO2004097797A1 Method and device for gain quantization in variable bit rate wideband speech coding |
11/11/2004 | WO2004097796A1 Audio encoding device, audio decoding device, audio encoding method, and audio decoding method |
11/11/2004 | WO2004097795A2 Adaptive voice enhancement for low bit rate audio coding |
11/11/2004 | WO2004097794A2 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
11/11/2004 | US20040225506 Techniques for quantization of spectral data in transcoding |
11/11/2004 | US20040225505 Audio coding systems and methods using spectral component coupling and spectral component regeneration |
11/11/2004 | US20040225500 Data communication through acoustic channels and compression |
11/11/2004 | US20040225495 Encoding apparatus, method and program |
11/11/2004 | US20040225492 Method and apparatus for the detection of previous packet loss in non-packetized speech |
11/11/2004 | DE19609170B4 Verfahren zur Durchführung einer "Tiefe-Zuerst"-Suche in einem Codebuch zur Codierung eines Geräusch- bzw. Klangsignales, Vorrichtung zur Durchführung dieses Verfahrens sowie zellulares Kommunikationssystem mit einer derartigen Vorrichtung Method of conducting a "depth-first" search in a codebook for encoding a noise or sound signal device for carrying out this process and cellular communication system with such a device |
11/10/2004 | EP1475782A2 Apparatus and method for controlling noise in mobile communication terminal |
11/10/2004 | EP1279166B1 Robust parameters for noisy speech recognition |
11/10/2004 | EP0894409B1 Detection of speech channel back-looping |
11/10/2004 | CN2655380Y Display terminal for speech leaving message prompting system |
11/10/2004 | CN1545697A Audio coding with non-uniform filter bank |
11/10/2004 | CN1545211A System and method for coding data |
11/10/2004 | CN1175579C Encoder |