197453 ⎘
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 using predictive techniques; Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
Sub-classes:Pyramid vector quantizer shape search
#2Directional differential pressure detector
#3Coding method, decoding method, coder, and decoder
#4Coding method, decoding method, coder, and decoder
#5Reducing codec noise in acoustic devices
#6Coding method, decoding method, coder, and decoder
#7Reducing codec noise in acoustic devices
#8ANDROID-BASED AUDIO CONTENT PROCESSING METHOD AND DEVICE
#9Transparent lossless audio watermarking
#10Method and a decoder for attenuation of signal regions reconstructed with low accuracy
#11Systems and methods for continuously detecting and identifying songs in a continuous audio stream
#12Coding method, decoding method, coder, and decoder
#13Method and device for pulse encoding, method and device for pulse decoding
#14Coding method, decoding method, coder, and decoder
#15Coding method, decoding method, coder, and decoder
#16Systems and methods for determining pitch pulse period signal boundaries
#17Voiced sound interval detection device, voiced sound interval detection method and voiced sound interval detection program
#18Devices for redundant frame coding and decoding
#19Fixed codebook searching by closed-loop search using multiplexed loop
#20Apparatus and method for combinatorial coding of signals
#21Coding method, decoding method, coder, and decoder
#22Apparatus and method for low complexity combinatorial coding and decoding of signals
#23Method and a decoder for attenuation of signal regions reconstructed with low accuracy
#24Encoder, decoder and methods thereof
#25Speech coder that determines pulsed parameters
#26Method and device for pulse encoding, method and device for pulse decoding
#27Method and apparatus for encoding and decoding excitation patterns from which the masking levels for an audio signal encoding and decoding are determined
#28ENCODING APPARATUS AND METHOD AND DECODING APPARATUS AND METHOD OF AUDIO/VOICE SIGNAL PROCESSING APPARATUS
#29ENCODING DEVICE AND ENCODING METHOD
#30Fixed codebook search method and searcher
#31Fixed codebook search method and searcher
#32Speech coder and speech decoder
#33Encoding device and encoding method
#34Encoding device and encoding method
#35ENCODING DEVICE AND ENCODING METHOD
#36Coding method, decoding method, coder and decoder
#37SPEECH ENDODING DEVICE
#38CODING OF TRANSITIONAL SPEECH FRAMES FOR LOW-BIT-RATE APPLICATIONS
#39VOICE ENCODING DEVICE AND VOICE ENCODING METHOD
#40Method and apparatus for searching fixed codebook
#41Coding/decoding of a digital audio signal, in CELP technique
#42TEMPORAL MASKING IN AUDIO CODING BASED ON SPECTRAL DYNAMICS IN FREQUENCY SUB-BANDS
#43Speech coder using an orthogonal search and an orthogonal search method
#44Speech coder and speech decoder
#45Pulse allocating method in voice coding
#46Pulse-width modulation of pulse-code modulated signals at selectable or dynamically varying sample rates
#47Audio Encoding and Decoding
#48Estimation of pulsed speech model parameters
#49Dual-pulse excited linear prediction for speech coding
#50Background noise reduction in sinusoidal based speech coding systems
#51Synthesizing comfort noise
#52Speech coder and speech decoder
#53Thermoplastic resin composition
#54Audio coding
#55System and method for decoding an audio signal
#56Speech coder and speech decoder
#57Method and apparatus to search fixed codebook using tracks of a trellis structure with each track being a union of tracks of an algebraic codebook
#58Low-complexity code excited linear prediction encoding
#59Method and device for encoding speech using open-loop pitch analysis
#60Embedded code-excited linear prediction speech coding and decoding apparatus and method
#61Speech coder and speech decoder
#62Method and system for multi-rate lattice vector quantization of a signal
#63Speech coder/decoder
#64Speech coder using an orthogonal search and an orthogonal search method
#65Multi-pulse speech coding/decoding with reduced convolution processing
#66Speech processing system and method
#67Indexing pulse positions and signs in algebraic codebooks for coding of wideband signals
#68Method and apparatus for frame classification and rate determination in voice transcoders for telecommunications
#69Determining linear predictive coding filter parameters for encoding a voice signal