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WO2013016262A1 – Procédé et appareil de codage et de décodage audio – Google Patents

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EP EPA1 fr Audio decoder, audio encoder, methods for decoding and dwcodeur an audio signal and computer program. US USB2 en Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands.

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Method for speech coding based on a code excited linear prediction CELP model. Apparatus and method for efficiently coding plural channels of an acoustic signal at low bit rates.

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WOA1 – Codeur/decodeur vocal – Google Patents

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Speech encoder adaptively applying pitch preprocessing with warping of target signal. A1 Designated state s: Method and apparatus for an encoding and decoding a speech signal by adaptively changing pulse position candidates. Request for preliminary examination filed prior to expiration of 19th month from priority date pct application filed before LPAS speech coder using vector quantized, multi-codebook, multi-tap decoeur predictor and optimized ternary source excitation codebook derivation.

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