| 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) |
|---|
| 04/03/1985 | EP0136062A2 Apparatus for and methods of scrambling voice signals |
| 04/03/1985 | EP0135512A1 Improved method and means of determining coefficients for linear predictive coding. |
| 04/02/1985 | US4509188 Signal synthesizer apparatus |
| 04/02/1985 | US4508457 Electronic timepiece with record/playback circuits |
| 03/26/1985 | CA1184657A1 Digital speech processing using linear prediction process |
| 03/26/1985 | CA1184656A1 Linear prediction speech processing system |
| 03/19/1985 | CA1184128A1 Spectrum division/multiplication communication arrangement for speech signals |
| 02/26/1985 | CA1183232A1 Emergency device employing programmable vocal warning commands |
| 02/19/1985 | CA1182921A1 Spectrum analyzer having common two-channel filters, especially for voice recognition |
| 02/18/1985 | EP0107659A4 Voice encoder and synthesizer. |
| 02/14/1985 | WO1985000686A1 Apparatus and methods for coding, decoding, analyzing and synthesizing a signal |
| 02/13/1985 | EP0132564A1 Speech synthesizer |
| 01/29/1985 | CA1181855A1 Method and apparatus for time domain compression and synthesis of unvoiced audible signals |
| 01/29/1985 | CA1181854A1 Digital speech coder |
| 01/23/1985 | EP0132216A1 Signal processing |
| 01/22/1985 | US4495620 Transmitting data on the phase of speech |
| 01/08/1985 | CA1180812A1 Method and apparatus for speech recognition and reproduction |
| 01/01/1985 | US4491958 Speech synthesizer |
| 01/01/1985 | US4491930 Memory system using filterable signals |
| 12/18/1984 | US4489437 Speech synthesizer |
| 12/18/1984 | US4489433 Speech information transmission method and system |
| 12/12/1984 | EP0128065A1 Method of generating an excitation signal for a channel or linear prediction vocoder, and excitation signal generator therefor |
| 12/12/1984 | EP0127729A1 Voice messaging system with unified pitch and voice tracking |
| 12/05/1984 | EP0028856B1 Speech synthesizing arrangement having at least two distortion circuits |
| 12/04/1984 | US4486850 Data processing system |
| 11/21/1984 | EP0125423A1 Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal |
| 11/14/1984 | EP0124728A1 Voice messaging system with pitch-congruent baseband coding |
| 11/07/1984 | EP0124411A1 Channel vocoder comprising means for suppressing parasitic modulation of the synthesized speech signal |
| 10/25/1984 | WO1984004195A1 Audio digital recording and playback system |
| 10/25/1984 | WO1984004194A1 Speech pattern processing utilizing speech pattern compression |
| 10/23/1984 | US4479213 Transmission method for transmitting voice and data information over telephone line and device for implementing said method |
| 10/16/1984 | US4477925 Clipped speech-linear predictive coding speech processor |
| 10/02/1984 | US4475167 Fast coefficient calculator for speech |
| 09/25/1984 | US4473904 Speech information transmission method and system |
| 09/19/1984 | EP0119033A1 Speech encoder |
| 09/18/1984 | US4472832 Digital speech coder |
| 09/18/1984 | US4472747 Audio digital recording and playback system |
| 09/11/1984 | US4471385 Electro-optical illumination control system |
| 08/29/1984 | EP0116975A2 Speech-adaptive predictive coding system |
| 08/28/1984 | US4468805 Variable frame length data converter for a speech synthesis circuit |
| 08/22/1984 | EP0016427B1 Multi-channel digital speech synthesizer |
| 08/08/1984 | EP0028103B1 A spectrum analyzer |
| 08/07/1984 | CA1172366A1 Methods and apparatus for encoding and constructing signals |
| 07/19/1984 | WO1984002814A1 Improved method and means of determining coefficients for linear predictive coding |
| 07/10/1984 | US4459674 Voice input/output apparatus |
| 07/10/1984 | US4459542 Spectrum analyzer having common two-channel filters, especially for voice recognition |
| 07/03/1984 | US4458110 Storage element for speech synthesizer |
| 06/13/1984 | EP0017341B1 A sound synthesizing circuit and method of synthesizing sounds |
| 06/05/1984 | US4453222 Emergency device employing programmable vocal warning commands |
| 05/23/1984 | EP0109179A1 Apparatus for processing document data including voice data |
| 05/15/1984 | US4449233 Speech synthesis system with parameter look up table |
| 05/09/1984 | EP0107659A1 Voice encoder and synthesizer |
| 04/24/1984 | US4445189 Analog memory for storing digital information |
| 04/17/1984 | US4443859 Speech analysis circuits using an inverse lattice network |
| 04/04/1984 | EP0104313A1 Method and apparatus for narrow band voice transmission |
| 04/03/1984 | US4441201 Speech synthesis system utilizing variable frame rate |
| 04/03/1984 | US4441200 Digital voice processing system |
| 03/28/1984 | EP0104073A1 Digital encoding, decoding and processing of speech signals |
| 03/15/1984 | WO1984001049A1 Lpc word recognizer utilizing energy features |
| 03/06/1984 | US4435832 Speech synthesizer having speech time stretch and compression functions |
| 03/06/1984 | US4435831 Method and apparatus for time domain compression and synthesis of unvoiced audible signals |
| 03/06/1984 | US4435732 Electro-optical illumination control system |
| 02/28/1984 | US4433604 Frequency domain digital encoding technique for musical signals |
| 02/21/1984 | US4433434 Method and apparatus for time domain compression and synthesis of audible signals |
| 01/31/1984 | US4429182 Data-related apparatus with a speech-synthesizer output device |
| 01/18/1984 | EP0098630A1 System for the transmission of speech through a disturbed transmission path |
| 01/10/1984 | US4425642 Simultaneous transmission of two information signals within a band-limited communications channel |
| 01/03/1984 | US4424415 For receiving an analog signal |
| 12/28/1983 | EP0096712A1 A system and method for recognizing speech. |
| 12/13/1983 | US4420813 Operation sequence instruction by synthetic speech |
| 12/06/1983 | US4419657 Speech digitization system |
| 12/06/1983 | US4419540 Speech synthesis system with variable interpolation capability |
| 11/30/1983 | EP0095216A2 Multiplier/adder circuit |
| 11/22/1983 | CA1157564A1 Sound synthesizer |
| 11/15/1983 | US4415767 Method and apparatus for speech recognition and reproduction |
| 11/10/1983 | WO1983003917A1 Voice encoder and synthesizer |
| 10/27/1983 | WO1983003737A1 Emergency device employing programmable vocal warning commands |
| 10/25/1983 | US4412099 Sound synthesizing apparatus |
| 10/25/1983 | CA1155958A1 Speech synthesizing arrangement having at least two distortion circuits |
| 10/11/1983 | CA1155224A1 Method of and device for effecting objective quality measures on speech transmission apparatuses |
| 10/05/1983 | EP0030724B1 Method and device for carrying out objective measurements on digital speech transmission systems |
| 10/04/1983 | US4408094 Output circuit |
| 09/13/1983 | US4403965 Electronic teaching apparatus |
| 09/06/1983 | US4403295 Signal synthesizer apparatus |
| 08/30/1983 | US4401855 Apparatus for the linear predictive coding of human speech |
| 08/17/1983 | EP0085820A1 Method for multi-speed digital transmission and apparatus for carrying out said method |
| 08/09/1983 | US4398262 Time multiplexed n-ordered digital filter |
| 08/09/1983 | US4397562 Digital-analog converter circuit for speech-synthesizing electronic timepiece |
| 08/02/1983 | US4396976 System for interfacing a computer to a machine |
| 07/21/1983 | WO1983002533A1 Simultaneous transmission of two information signals within a band-limited communications channel |
| 07/12/1983 | US4393272 Sound synthesizer |
| 07/07/1983 | WO1983002346A1 A time multiplexed n-ordered digital filter |
| 07/05/1983 | US4392018 Speech synthesizer with smooth linear interpolation |
| 07/05/1983 | CA1149487A1 Heating apparatus with sensor |
| 06/23/1983 | WO1983002190A1 A system and method for recognizing speech |
| 06/21/1983 | US4389541 Vehicle-mounted message apparatus |
| 06/21/1983 | US4389540 Adaptive linear prediction filters |
| 06/21/1983 | US4389539 Digital filter for performing serial operations and vocal sound synthesizing apparatus having the digital filter |
| 05/17/1983 | US4384170 Method and apparatus for speech synthesizing |
| 05/17/1983 | US4384169 Method and apparatus for speech synthesizing |