MX2021009733A - Decodificador y metodo de decodificacion que selecciona un modo de ocultacion de errores, y codificador y metodo de codificacion. - Google Patents
Decodificador y metodo de decodificacion que selecciona un modo de ocultacion de errores, y codificador y metodo de codificacion.Info
- Publication number
- MX2021009733A MX2021009733A MX2021009733A MX2021009733A MX2021009733A MX 2021009733 A MX2021009733 A MX 2021009733A MX 2021009733 A MX2021009733 A MX 2021009733A MX 2021009733 A MX2021009733 A MX 2021009733A MX 2021009733 A MX2021009733 A MX 2021009733A
- Authority
- MX
- Mexico
- Prior art keywords
- bits
- error concealment
- payload
- decoder
- decoding module
- Prior art date
Links
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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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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
- G10L19/02—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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0041—Arrangements at the transmitter end
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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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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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
- G10L19/02—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
- G10L19/0212—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 using orthogonal transformation
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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
- G10L19/02—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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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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
- G10L19/02—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
- G10L19/032—Quantisation or dequantisation of spectral components
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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
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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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
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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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0324—Details of processing therefor
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/07—Arithmetic codes
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/13—Linear codes
- H03M13/15—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes
- H03M13/151—Cyclic codes, i.e. cyclic shifts of codewords produce other codewords, e.g. codes defined by a generator polynomial, Bose-Chaudhuri-Hocquenghem [BCH] codes using error location or error correction polynomials
- H03M13/1515—Reed-Solomon codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0032—Without explicit signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0041—Arrangements at the transmitter end
- H04L1/0042—Encoding specially adapted to other signal generation operation, e.g. in order to reduce transmit distortions, jitter, or to improve signal shape
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0046—Code rate detection or code type detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0047—Decoding adapted to other signal detection operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0057—Block codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
- H04L1/0084—Formats for payload data
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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
- G10L19/02—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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- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Probability & Statistics with Applications (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Electromagnetism (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Electrophonic Musical Instruments (AREA)
- Alarm Systems (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Color Television Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Se proporciona un decodificador para decodificar un cuadro para reconstruir una porción de señal de una señal. La porción de señal se codifica dentro del cuadro, en donde el cuadro comprende una carga útil de flujo de bits y dos o más bits de redundancia, en donde la carga útil de flujo de bits comprende una pluralidad de bits de carga útil, en donde cada uno de los bits de carga útil exhibe una posición dentro de la carga útil de flujo de bits. El decodificador (100) comprende un módulo de decodificación de canal (110), que se configura para detectar, dependiendo de los dos o más bits de redundancia, si la carga útil de flujo de bits comprende uno o más bits dañados que son uno o más de los bits de carga útil que se distorsionan o que es probable que se distorsionen. Además, el decodificador (100) comprende un módulo de decodificación de fuente (120). Si el módulo de decodificación de canal (110) no ha detectado ningún bit dañado dentro de la carga útil de flujo de bits, el módulo de decodificación de fuente (120) se configura para decodificar la carga útil de flujo de bits sin realizar ocultación de errores para reconstruir la porción de señal. Si el módulo de decodificación de canal (110) ha detectado uno o más bits dañados dentro de la carga útil de flujo de bits, el módulo de decodificación de fuente (120) se configura para seleccionar un modo de ocultación de errores seleccionado de dos o más modos de ocultación de errores dependiendo de la posición de al menos uno de uno o más bits dañados dentro de la carga útil de flujo de bits y dependiendo de una característica de señal de la porción de señal de la señal, y se configura para realizar ocultación de errores dependiendo del modo de ocultación de errores seleccionado para reconstruir la porción de señal.
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19156997.9A EP3697005A1 (en) | 2019-02-13 | 2019-02-13 | Multi-mode channel coding with mode specific coloration sequences |
EP19157047 | 2019-02-13 | ||
EP19157036 | 2019-02-13 | ||
EP19157042 | 2019-02-13 | ||
PCT/EP2019/065172 WO2020164751A1 (en) | 2019-02-13 | 2019-06-11 | Decoder and decoding method for lc3 concealment including full frame loss concealment and partial frame loss concealment |
PCT/EP2019/065209 WO2020164753A1 (en) | 2019-02-13 | 2019-06-11 | Decoder and decoding method selecting an error concealment mode, and encoder and encoding method |
PCT/EP2019/065205 WO2020164752A1 (en) | 2019-02-13 | 2019-06-11 | Audio transmitter processor, audio receiver processor and related methods and computer programs |
PCT/EP2020/053618 WO2020165263A2 (en) | 2019-02-13 | 2020-02-12 | Decoder and decoding method selecting an error concealment mode, and encoder and encoding method |
Publications (1)
Publication Number | Publication Date |
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MX2021009733A true MX2021009733A (es) | 2021-09-08 |
Family
ID=66776368
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021009733A MX2021009733A (es) | 2019-02-13 | 2020-02-12 | Decodificador y metodo de decodificacion que selecciona un modo de ocultacion de errores, y codificador y metodo de codificacion. |
MX2021009729A MX2021009729A (es) | 2019-02-13 | 2020-02-12 | Codificacion de canal multimodo. |
MX2021009731A MX2021009731A (es) | 2019-02-13 | 2020-02-12 | Decodificador y metodo de decodificacion para ocultacion de lc3 que incluye ocultacion de perdida de cuadro completo y ocultacion de perdida de cuadro parcial. |
MX2021009728A MX2021009728A (es) | 2019-02-13 | 2020-02-12 | Procesador de transmisor de audio, procesador de receptor de audio y programas de computadora y metodos relacionados. |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021009729A MX2021009729A (es) | 2019-02-13 | 2020-02-12 | Codificacion de canal multimodo. |
MX2021009731A MX2021009731A (es) | 2019-02-13 | 2020-02-12 | Decodificador y metodo de decodificacion para ocultacion de lc3 que incluye ocultacion de perdida de cuadro completo y ocultacion de perdida de cuadro parcial. |
MX2021009728A MX2021009728A (es) | 2019-02-13 | 2020-02-12 | Procesador de transmisor de audio, procesador de receptor de audio y programas de computadora y metodos relacionados. |
Country Status (13)
Country | Link |
---|---|
US (6) | US20210366498A1 (es) |
EP (7) | EP4239924A3 (es) |
JP (7) | JP7472154B2 (es) |
KR (7) | KR102640740B1 (es) |
CN (4) | CN113491080B (es) |
AU (8) | AU2020220383C1 (es) |
BR (4) | BR112021015608A2 (es) |
CA (7) | CA3128781A1 (es) |
MX (4) | MX2021009733A (es) |
SG (4) | SG11202108537YA (es) |
TW (4) | TWI785309B (es) |
WO (3) | WO2020164751A1 (es) |
ZA (4) | ZA202105719B (es) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US10990919B2 (en) | 2017-03-27 | 2021-04-27 | Clearpath Robotics Inc. | Systems and methods for autonomous lineside parts delivery to an assembly line process |
CN112151044B (zh) * | 2020-09-23 | 2024-06-11 | 北京百瑞互联技术股份有限公司 | 在lc3音频编码器中自动调节蓝牙播放设备频响曲线的方法、装置及存储介质 |
CN112735446B (zh) * | 2020-12-30 | 2022-05-17 | 北京百瑞互联技术有限公司 | 在lc3音频码流中添加额外信息的方法、系统及介质 |
US12014068B2 (en) * | 2021-04-27 | 2024-06-18 | Microchip Technology Inc. | System and method for double data rate (DDR) chip-kill recovery |
CN112992160B (zh) * | 2021-05-08 | 2021-07-27 | 北京百瑞互联技术有限公司 | 一种音频错误隐藏方法及装置 |
US11934696B2 (en) | 2021-05-18 | 2024-03-19 | Microchip Technology Inc. | Machine learning assisted quality of service (QoS) for solid state drives |
US20230326473A1 (en) * | 2022-04-08 | 2023-10-12 | Digital Voice Systems, Inc. | Tone Frame Detector for Digital Speech |
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NL8402411A (nl) * | 1984-08-02 | 1986-03-03 | Philips Nv | Inrichting voor het korrigeren en maskeren van fouten in een informatiestroom, en weergeeftoestel voor het weergeven van beeld en/of geluid voorzien van zo een inrichting. |
DE69126565T2 (de) * | 1990-04-17 | 1998-01-02 | Matsushita Electric Ind Co Ltd | Verfahren zur Übertragung von Kodes mit variabler Länge |
JP2998254B2 (ja) * | 1990-04-17 | 2000-01-11 | 松下電器産業株式会社 | 可変長符号化データの伝送方法 |
US5230003A (en) * | 1991-02-08 | 1993-07-20 | Ericsson-Ge Mobile Communications Holding, Inc. | Decoding system for distinguishing different types of convolutionally-encoded signals |
JP2746033B2 (ja) | 1992-12-24 | 1998-04-28 | 日本電気株式会社 | 音声復号化装置 |
JP3171973B2 (ja) * | 1993-01-07 | 2001-06-04 | 株式会社東芝 | 音声符号化の誤り制御方法 |
JP3328093B2 (ja) | 1994-07-12 | 2002-09-24 | 三菱電機株式会社 | エラー訂正装置 |
US6104754A (en) | 1995-03-15 | 2000-08-15 | Kabushiki Kaisha Toshiba | Moving picture coding and/or decoding systems, and variable-length coding and/or decoding system |
EP1802135A3 (en) * | 1995-03-15 | 2008-11-12 | Kabushiki Kaisha Toshiba | Moving picture coding and/or decoding systems |
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KR100551001B1 (ko) * | 1995-09-22 | 2006-07-06 | 퍼시픽 커뮤니케이션 싸이언스 인코포레이티드 | 복수의코드율을갖는셀룰러통신시스템에서송신성능을개선하기위한방법및시스템 |
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