MX354812B - Método para cuantificar coeficientes de codificación predictiva lineal, método de codificación de sonido, método para decuantificar coeficientes de codificación predictiva lineal, método de decodificación de sonido y medio de grabación. - Google Patents
Método para cuantificar coeficientes de codificación predictiva lineal, método de codificación de sonido, método para decuantificar coeficientes de codificación predictiva lineal, método de decodificación de sonido y medio de grabación.Info
- Publication number
- MX354812B MX354812B MX2015005084A MX2015005084A MX354812B MX 354812 B MX354812 B MX 354812B MX 2015005084 A MX2015005084 A MX 2015005084A MX 2015005084 A MX2015005084 A MX 2015005084A MX 354812 B MX354812 B MX 354812B
- Authority
- MX
- Mexico
- Prior art keywords
- predictive coding
- linear predictive
- coding coefficients
- quantizing linear
- sound
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- 238000013139 quantization Methods 0.000 abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—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
- G10L19/04—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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
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- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
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- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
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- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
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- G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
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- G10L19/04—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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
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- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/124—Quantisation
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- H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
- H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
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- G10L19/00—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
- G10L19/04—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
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- G—PHYSICS
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- G10L19/00—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
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- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
- G10L19/07—Line spectrum pair [LSP] vocoders
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—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
- G10L2019/0001—Codebooks
- G10L2019/0004—Design or structure of the codebook
- G10L2019/0005—Multi-stage vector quantisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/136—Incoming video signal characteristics or properties
- H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/164—Feedback from the receiver or from the transmission channel
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Se proporciona un método de cuantificación que incluye cuantificar una señal de entrada al seleccionar uno de un primer esquema de cuantificación que no utiliza una predicción inter-tramas y un segundo esquema de cuantificación que utiliza la predicción inter-tramas, en vista de uno o más de un modo de predicción, un error predictivo y un estado de canal de transmisión.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201161477797P | 2011-04-21 | 2011-04-21 | |
US201161481874P | 2011-05-03 | 2011-05-03 | |
PCT/KR2012/003128 WO2012144878A2 (en) | 2011-04-21 | 2012-04-23 | Method of quantizing linear predictive coding coefficients, sound encoding method, method of de-quantizing linear predictive coding coefficients, sound decoding method, and recording medium |
Publications (1)
Publication Number | Publication Date |
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MX354812B true MX354812B (es) | 2018-03-22 |
Family
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Family Applications (2)
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MX2013012300A MX2013012300A (es) | 2011-04-21 | 2012-04-23 | Metodo para cuantificar coeficientes de codificacion predictiva lineal, metodo de codificacion de sonido, metodo para decuantificar coeficientes de codificacion predictiva lineal , metodo de decodificacion de sonido y medio de grabacion. |
MX2015005084A MX354812B (es) | 2011-04-21 | 2012-04-23 | Método para cuantificar coeficientes de codificación predictiva lineal, método de codificación de sonido, método para decuantificar coeficientes de codificación predictiva lineal, método de decodificación de sonido y medio de grabación. |
Family Applications Before (1)
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MX2013012300A MX2013012300A (es) | 2011-04-21 | 2012-04-23 | Metodo para cuantificar coeficientes de codificacion predictiva lineal, metodo de codificacion de sonido, metodo para decuantificar coeficientes de codificacion predictiva lineal , metodo de decodificacion de sonido y medio de grabacion. |
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US (3) | US8977544B2 (es) |
EP (2) | EP2700173A4 (es) |
JP (2) | JP6178305B2 (es) |
KR (2) | KR101863688B1 (es) |
CN (3) | CN105719654B (es) |
AU (3) | AU2012246799B2 (es) |
BR (3) | BR122020023350B1 (es) |
CA (1) | CA2833874C (es) |
MX (2) | MX2013012300A (es) |
MY (1) | MY185091A (es) |
RU (3) | RU2647652C1 (es) |
SG (1) | SG194579A1 (es) |
TW (2) | TWI591621B (es) |
WO (1) | WO2012144878A2 (es) |
ZA (1) | ZA201308709B (es) |
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MY166916A (en) * | 2011-04-21 | 2018-07-24 | Samsung Electronics Co Ltd | Apparatus for quantizing linear predictive coding coefficients, sound encoding apparatus, apparatus for dequantizing linear predictive coding coefficients, sound decoding apparatus, and electronic device therefore |
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