197420 ⎘
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 Codebook search algorithms
Sub-classes:Coding and decoding audio signal
#2METHODS OF FIXED CODEBOOK SEARCHING FOR AUDIO CODECS
#3METHOD AND DEVICE FOR GENERATING SPEECH, STORAGE MEDIUM, AND ELECTRONIC DEVICE
#4PACKET LOSS CONCEALMENT IN AN AUDIO DECODER
#5SPEECH ENCODING AND DECODING METHODS AND APPARATUSES, COMPUTER DEVICE, AND STORAGE MEDIUM
#6Pyramid vector quantizer shape search
#7Vector quantizer
#8Speech encoding using a pre-encoded database
#9Signal processing methods and apparatuses for enhancing sound quality
#10Vector quantizer
#11Vector quantization of algebraic codebook with high-pass characteristic for polarity selection
#12Signal processing methods and apparatuses for enhancing sound quality
#13Vector quantizer
#14PYRAMID VECTOR QUANTIZER SHAPE SEARCH
#15Vector quantizer
#16CELP-type speech coding apparatus and method using adaptive and fixed codebooks
#17Pyramid vector quantizer shape search
#18Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
#19Vector quantization of algebraic codebook with high-pass characteristic for polarity selection
#20Vector quantizer
#21Multiple scale codebook search
#22Method and apparatus for generating a candidate code-vector to code an informational signal
#23Method and apparatus for generating a candidate code-vector to code an informational signal
#24Quantization device and quantization method
#25Vector quantization of algebraic codebook with high-pass characteristic for polarity selection
#26Method and apparatus for encoding a speech signal
#27Noise estimating apparatus and method
#28Coding method, decoding method, codec method, codec system and relevant apparatuses
#29Excitation vector generator, speech coder and speech decoder
#30CELP speech decoder modifying an input vector with a fixed waveform to transform a waveform of the input vector
#31Method for searching fixed codebook based upon global pulse replacement
#32Audio encoding device and audio encoding method
#33ADDRESS GENERATOR FOR SEARCHING ALGEBRAIC CODEBOOK
#34Fixed codebook search method through iteration-free global pulse replacement and speech coder using the same method
#35Method and apparatus for fast nearest neighbor search for vector quantizers
#36Fixed code book search device and fixed code book search method
#37Coding method, encoder, and computer readable medium that uses one of multiple codebooks based on a type of input signal
#38VOICE ENCODING DEVICE AND VOICE ENCODING METHOD
#39Method and apparatus for searching fixed codebook
#40SPEECH CODER AND SPEECH DECODER
#41Vector quantization apparatus and method for updating decoded vector storage
#42Method and device for coding audio data based on vector quantisation
#43Method and apparatus to search fixed codebook and method and apparatus to encode/decode a speech signal using the method and apparatus to search fixed codebook
#44Search system and method thereof for searching code-vector of speech signal in speech encoder
#45Apparatus and method of searching for fixed codebook in speech codecs based on CELP
#46Excitation vector generator, speech coder and speech decoder
#47Excitation codebook search method in a speech coding system
#48Method and apparatus to search fixed codebook using tracks of a trellis structure with each track being a union of tracks of an algebraic codebook
#49Code excited linear prediction speech decoder and method thereof
#50System and method for supporting multiple speech codecs
#51Methods, devices and systems for improved codebook search for voice codecs
#52Algebraic codebook search implementation on processors with multiple data paths
#53Noise canceller
#54Fast codebook selection method in audio encoding
#55Apparatus and method for coding excitation signal
#56Method for coding data