| 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) |
|---|
| 09/08/2004 | CN1527995A Encoding device and decoding device |
| 09/08/2004 | CN1527306A Method and apparatus for coding and/or decoding digital data using bandwidth expansion technology |
| 09/08/2004 | CN1527282A Method and apparatus for expansible coding and decoding code audio-frequency data |
| 09/08/2004 | CN1166070C Digital signal encoding apparatus and method digital signal decoding apparatus and method, and digital signal transmission system |
| 09/08/2004 | CN1165892C Method and apparatus for periodicity enhancement in decoding wideband signals |
| 09/08/2004 | CN1165891C High frequency content recovering method and device for over-sampled synthesized wideband signal |
| 09/08/2004 | CN1165890C Karaoke singer rating apparatus and method, and storage medium therefor |
| 09/08/2004 | CN1165867C Terminal device |
| 09/08/2004 | CN1165855C System, method, device for distributing data and data reproduction device |
| 09/07/2004 | US6789188 Methods and apparatus for secure content distribution |
| 09/07/2004 | US6789066 Phoneme-delta based speech compression |
| 09/07/2004 | US6789059 Reducing memory requirements of a codebook vector search |
| 09/07/2004 | US6788982 Audio player with code sensor |
| 09/07/2004 | US6788675 Method and apparatus for telecommunications using internet protocol |
| 09/07/2004 | US6788293 Viewer with code sensor |
| 09/07/2004 | CA2256064C Device for determining the quality of an output signal to be generated by a signal processing circuit, and also method |
| 09/02/2004 | US20040172402 Method and apparatus for fast CELP parameter mapping |
| 09/02/2004 | US20040172243 Pitch quantization for distributed speech recognition |
| 09/02/2004 | US20040172241 Method and system of correcting spectral deformations in the voice, introduced by a communication network |
| 09/02/2004 | US20040172239 Method and apparatus for audio compression |
| 09/02/2004 | US20040170381 Detection of signal modifications in audio streams with embedded code |
| 09/02/2004 | US20040170290 Quantization noise shaping method and apparatus |
| 09/02/2004 | US20040170102 Signal compressing apparatus |
| 09/02/2004 | US20040168565 Method and apparatus for reproducing digital data in a portable device |
| 09/02/2004 | DE10305821A1 Input vector comparison method in which a multiplicity of input vectors are compared with reference vectors using a ring-buffer analogous method |
| 09/01/2004 | EP1453231A1 Voice-coding-and-transmission system |
| 09/01/2004 | EP1452027A1 Access to encrypted broadcast content |
| 09/01/2004 | EP1451822A2 Digital audio with parameters for real-time time scaling |
| 09/01/2004 | EP1451814A1 System and method for controlling the use and duplication of digital content distributed on removable media |
| 09/01/2004 | EP1451812A1 Audio signal bandwidth extension |
| 09/01/2004 | EP1451811A1 Low bit rate codec |
| 09/01/2004 | EP1451810A1 Audio coding |
| 09/01/2004 | EP1451809A1 Perceptual noise substitution |
| 09/01/2004 | CN1525439A Generalized analysis-by-synthesis speed coding method, and coder implementing such method |
| 09/01/2004 | CN1525438A Stereo audio encoding method and device, audio stream decoding method and device |
| 09/01/2004 | CN1525437A Method and apparatus for encoding/decoding audio data with scalability |
| 09/01/2004 | CN1525436A Method and apparatus for encoding/decoding audio data with scalability |
| 09/01/2004 | CN1525435A Method and apparatus for estimating pitch frequency of voice signal |
| 08/31/2004 | US6785657 Digital signal processor |
| 08/31/2004 | US6785655 Method for independent dynamic range control |
| 08/31/2004 | US6785646 Method and system for performing a codebook search used in waveform coding |
| 08/31/2004 | US6785645 Real-time speech and music classifier |
| 08/31/2004 | US6785644 Alternate window compression/decompression method, apparatus, and system |
| 08/31/2004 | US6785331 Predictive encoding and decoding methods of video data |
| 08/31/2004 | US6785262 Method and apparatus for voice latency reduction in a voice-over-data wireless communication system |
| 08/31/2004 | US6785261 Method and system for forward error correction with different frame sizes |
| 08/31/2004 | US6785192 Reproduction apparatus and reproduction method |
| 08/31/2004 | CA2301680C Post-compression hidden data transport for video |
| 08/26/2004 | WO2004073178A2 Continuous backup audio |
| 08/26/2004 | WO2004072958A1 Device for recovering missing frequency components |
| 08/26/2004 | WO2004072957A2 Conversion of spectral components for encoding and low-complexity transcoding |
| 08/26/2004 | WO2004072956A1 Audio coding |
| 08/26/2004 | WO2004072952A1 Speech synthesis processing system |
| 08/26/2004 | WO2004072949A2 Pitch quantization for distributed speech recognition |
| 08/26/2004 | WO2004072767A2 Audio reproduction apparatus, method, computer program |
| 08/26/2004 | US20040167776 Apparatus and method for shaping the speech signal in consideration of its energy distribution characteristics |
| 08/26/2004 | US20040167775 Computational effectiveness enhancement of frequency domain pitch estimators |
| 08/26/2004 | US20040167772 Speech coding and decoding in a voice communication system |
| 08/26/2004 | US20040167767 Method and system for extracting sports highlights from audio signals |
| 08/26/2004 | US20040167674 Voice controlled vehicle wheel alignment system |
| 08/26/2004 | US20040166820 Wideband signal transmission system |
| 08/26/2004 | US20040165737 Audio compression |
| 08/26/2004 | US20040165667 Conversion of synthesized spectral components for encoding and low-complexity transcoding |
| 08/26/2004 | US20040164882 Encoding method and device, and decoding method and device |
| 08/26/2004 | DE10197182T5 Verfahren zum Codieren und Decodieren von Digital-Audiodaten A method for encoding and decoding digital audio data |
| 08/26/2004 | CA2776988A1 Conversion of synthesized spectral components for encoding and low-complexity transcoding |
| 08/26/2004 | CA2512725A1 Continuous backup audio |
| 08/25/2004 | EP1450352A2 Block-constrained TCQ method, and method and apparatus for quantizing LSF parameters employing the same in a speech coding system |
| 08/25/2004 | EP1449378A2 System and method for compensating packet delay variations |
| 08/25/2004 | EP1449305A1 Method for replacing corrupted audio data |
| 08/25/2004 | EP1449205A1 Feedforward prediction of scalefactors based on allowable distortion for noise shaping in psychoacoustic-based compression |
| 08/25/2004 | EP1449204A1 Embedding supplementary data in an information signal |
| 08/25/2004 | EP1105868B1 Noise coding in a variable rate vocoder |
| 08/25/2004 | CN1524400A Efficient and scalable parametric stereo coding for low bitrate applications |
| 08/25/2004 | CN1524348A Encoding method and device, and decoding method and device |
| 08/25/2004 | CN1524261A Encoding method and device, decoding method and device, and program and recording medium |
| 08/25/2004 | CN1524240A Selective processing of data embedded in a multimedia file |
| 08/25/2004 | CN1523362A Audio processing using a video rasterizer |
| 08/25/2004 | CN1164117C Method and apparatus for decoding an audio signal |
| 08/25/2004 | CN1164050C Speech decoding apparatus |
| 08/25/2004 | CN1163870C Voice encoder, voice decoder, recording medium on which program for realizing voice encoding/decoding is recorded and mobile communication apparatus |
| 08/24/2004 | US6782367 Method and arrangement for changing source signal bandwidth in a telecommunication connection with multiple bandwidth capability |
| 08/24/2004 | US6782366 Method for independent dynamic range control |
| 08/24/2004 | US6782361 Method and apparatus for providing background acoustic noise during a discontinued/reduced rate transmission mode of a voice transmission system |
| 08/24/2004 | US6782360 Gain quantization for a CELP speech coder |
| 08/24/2004 | US6782359 Determining linear predictive coding filter parameters for encoding a voice signal |
| 08/24/2004 | CA2322238C Improvements in or relating to digital communications apparatus |
| 08/19/2004 | WO2004070706A1 Method for encoding and decoding audio at a variable rate |
| 08/19/2004 | WO2004070705A1 Method for differentiated digital voice and music processing, noise filtering, creation of special effects and device for carrying out said method |
| 08/19/2004 | WO2004070704A1 Signal processing |
| 08/19/2004 | WO2004070541A2 600 bps mixed excitation linear prediction transcoding |
| 08/19/2004 | WO2004070540A2 System and method for enhancing bit error tolerance over a bandwith limited channel |
| 08/19/2004 | US20040162911 Method and device for the generation or decoding of a scalable data stream with provision for a bit-store, encoder and scalable encoder |
| 08/19/2004 | US20040162723 Method, apparatus, and system for efficient rate control in audio encoding |
| 08/19/2004 | US20040162721 Editing of audio signals |
| 08/19/2004 | US20040162720 Audio data encoding apparatus and method |
| 08/19/2004 | US20040161116 Acoustic signal encoding method and encoding device, acoustic signal decoding method and decoding device, program and recording medium image display device |
| 08/19/2004 | US20040161043 Hierarchical lossless encoding/decoding method, hierarchical lossless encoding method, hierarchical lossless decoding method, its apparatus and program |
| 08/19/2004 | US20040160344 Robust system for transmitting and receiving map data |
| 08/18/2004 | EP1446956A2 Method and device for producing acoustic signals from a video data flow |