Patents in the field of Speech Coding

• ADPCM Speech Coding Systems with Phase Smearing and Phase Desmearing Filters

• Speech coding with background noise reproduction

• Method and Device for Obtaining Parameters for Parametric Speech Coding of Frames

• Speech coding/decoding method and apparatus

• A Signal Modification Method for Efficient Coding of Speech Signals

• Speech coding method and speech coding apparatus

• Telescopic reconstruction of facial features from a speech pattern

• Methods and systems for CELP-based speech coding with fine grain scalability

• Method and system for low bit rate speech coding with speech recognition features and pitch providing reconstruction of the spectral envelope

• Speech coding system and method using time-separated coding algorithm

• Processing of acoustic waveforms

• Method and Device for Coding Speech in Analysis by Synthesis Speech Coders

• Speech Coding

• Speech coding system with self adapting coding arrangement

• High frequency enhancement layer coding in wideband speech codec

• Recursively excited linear prediction speech coder

• Bi-directional pitch enhancement in speech coding systems

• Coding of acoustic waveforms

• Computationally efficient background noise suppressor for speech coding and speech recognition

• Method and system for integrated audiovisual speech coding at low bitrate

• Codebook structure and search for speech coding

• Voice encoder and synthesizer

• Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus

• A Method and Device for High Quality Coding of Wideband Speech and Audio Signals

• Method for coding speech and music signals

• Coding of acoustic waveforms

• Pitch extraction methods and systems for speech coding using sub-multiple time lag extraction

• Telescopic reconstruction of facial features from a speech pattern

• Process of Coding of Prosody for Conversation at Low Decibel Levels

• Speech Coding Apparatus and Speech Decoding Apparatus