197418 ⎘
Speech or audio signals 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; Codebooks Long term prediction filters, i.e. pitch estimation
Audio signal discontinuity correction processing system
#2Concept for encoding of information
#3Apparatus and method realizing improved concepts for TCX LTP
#4Apparatus and method for improved signal fade out in different domains during error concealment
#5Apparatus and method for improved signal fade out for switched audio coding systems during error concealment
#6Apparatus and method for generating an adaptive spectral shape of comfort noise
#7Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application
#8Classification between time-domain coding and frequency domain coding for high bit rates
#9Audio signal discontinuity processing system
#10Concept for encoding of information
#11Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction
#12Audio signal processing device, audio signal processing method, and audio signal processing program
#13Apparatus and method for generating an adaptive spectral shape of comfort noise
#14Apparatus and method realizing improved concepts for TCX LTP
#15Apparatus and method for improved signal fade out in different domains during error concealment
#16Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application
#17Apparatus and method for improved signal fade out for switched audio coding systems during error concealment
#18Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal
#19Audio signal processing device, audio signal processing method, and audio signal processing program
#20Classification between time-domain coding and frequency domain coding
#21Method for adaptively encoding an audio signal in dependence on noise information for higher encoding accuracy
#22Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction
#23Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
#24Classification between time-domain coding and frequency domain coding
#25Concept for encoding of information
#26Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal
#27Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal
#28Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal
#29Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal
#30Audio decoder and method for providing a decoded audio information using an error concealment based on a time domain excitation signal
#31Audio signal processing system for discontinuity correction
#32Method for speech coding, method for speech decoding and their apparatuses
#33Apparatus and method for improved signal fade out in different domains during error concealment
#34Apparatus and method for generating an adaptive spectral shape of comfort noise
#35Apparatus and method realizing improved concepts for TCX LTP
#36Apparatus and method for improved signal fade out for switched audio coding systems during error concealment
#37Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application
#38Apparatus and method for selecting one of a first encoding algorithm and a second encoding algorithm using harmonics reduction
#39Adaptive high-pass post-filter
#40Method for speech coding, method for speech decoding and their apparatuses
#41Method for speech coding, method for speech decoding and their apparatuses
#42METHOD AND APPARATUS FOR OBTAINING PITCH GAIN, AND CODER AND DECODER
#43Method for speech coding, method for speech decoding and their apparatuses
#44Method and device for adaptive bandwidth pitch search in coding wideband signals
#45Voice encoding device and voice encoding method
#46Speech decoding and encoding apparatus for lost frame concealment using predetermined number of waveform samples peripheral to the lost frame
#47Method and apparatus for decoding
#48Audio decoding device and compensation frame generation method
#49Method and apparatus for speech encoding by evaluating a noise level based on gain information
#50Method for speech coding, method for speech decoding and their apparatuses
#51Method and apparatus for speech encoding by evaluating a noise level based on pitch information
#52Method for speech coding, method for speech decoding and their apparatuses
#53Method for speech coding, method for speech decoding and their apparatuses Method for speech coding, method for speech decoding and their apparatuses
#54Method and apparatus for speech decoding by evaluating a noise level based on gain information
#55Method for speech coding, method for speech decoding and their apparatuses
#56Method and apparatus for speech decoding based on a parameter of the adaptive code vector
#57LPAS speech coder using vector quantized, multi-codebook, multi-tap pitch predictor
#58Method and device for adaptive bandwidth pitch search in coding wideband signals
#59Method for speech coding, method for speech decoding and their apparatuses
#60Method for speech coding, method for speech decoding and their apparatuses
#61LPAS speech coder using vector quantized, multi-codebook, multi-tap pitch predictor and optimized ternary source excitation codebook derivation
#62Perceptual weighting device and method for efficient coding of wideband signals
#63Method and device for adaptive bandwidth pitch search in coding wideband signals
#64Code conversion method, apparatus, program, and storage medium
#65Acoustic receiver for underwater digital communications