MX347936B - Decodificador y codificador de audio. - Google Patents
Decodificador y codificador de audio.Info
- Publication number
- MX347936B MX347936B MX2015011145A MX2015011145A MX347936B MX 347936 B MX347936 B MX 347936B MX 2015011145 A MX2015011145 A MX 2015011145A MX 2015011145 A MX2015011145 A MX 2015011145A MX 347936 B MX347936 B MX 347936B
- Authority
- MX
- Mexico
- Prior art keywords
- decoder
- audio encoder
- channel audio
- audio signal
- decoding
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 abstract 2
- 238000004590 computer program Methods 0.000 abstract 1
- 238000000034 method Methods 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
- G10L19/16—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
-
- 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
-
- 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
-
- 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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
Abstract
La presente divulgación proporciona métodos, dispositivos y productos de programas informáticos para codificar y decodificar una señal de audio multicanal a base de una señal de entrada. De acuerdo a la divulgación, se utiliza un enfoque híbrido de usar tanto la codificación estérea paramétrica como la representación discreta de la señal de audio multicanal procesada que puede mejorar la calidad del audio codificada y decodificada para ciertas velocidades de bits.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361808680P | 2013-04-05 | 2013-04-05 | |
PCT/EP2014/056852 WO2014161992A1 (en) | 2013-04-05 | 2014-04-04 | Audio encoder and decoder |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2015011145A MX2015011145A (es) | 2016-01-12 |
MX347936B true MX347936B (es) | 2017-05-19 |
Family
ID=50439393
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2015011145A MX347936B (es) | 2013-04-05 | 2014-04-04 | Decodificador y codificador de audio. |
MX2017006575A MX369023B (es) | 2013-04-05 | 2014-04-04 | Decodificador y codificador de audio. |
MX2019012711A MX2019012711A (es) | 2013-04-05 | 2015-08-27 | Decodificador y codificador de audio. |
MX2022004397A MX2022004397A (es) | 2013-04-05 | 2015-08-27 | Decodificador y codificador de audio. |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2017006575A MX369023B (es) | 2013-04-05 | 2014-04-04 | Decodificador y codificador de audio. |
MX2019012711A MX2019012711A (es) | 2013-04-05 | 2015-08-27 | Decodificador y codificador de audio. |
MX2022004397A MX2022004397A (es) | 2013-04-05 | 2015-08-27 | Decodificador y codificador de audio. |
Country Status (21)
Country | Link |
---|---|
US (6) | US9489957B2 (es) |
EP (3) | EP2954519B1 (es) |
JP (7) | JP6031201B2 (es) |
KR (7) | KR102380370B1 (es) |
CN (2) | CN109410966B (es) |
AU (1) | AU2014247001B2 (es) |
BR (7) | BR122022004784B8 (es) |
CA (1) | CA2900743C (es) |
DK (1) | DK2954519T3 (es) |
ES (2) | ES2619117T3 (es) |
HK (1) | HK1213080A1 (es) |
HU (1) | HUE031660T2 (es) |
IL (1) | IL240117A0 (es) |
MX (4) | MX347936B (es) |
MY (3) | MY183360A (es) |
PL (1) | PL2954519T3 (es) |
RU (2) | RU2602988C1 (es) |
SG (1) | SG11201506139YA (es) |
TW (1) | TWI546799B (es) |
UA (1) | UA113117C2 (es) |
WO (1) | WO2014161992A1 (es) |
Families Citing this family (9)
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TWI546799B (zh) * | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
JP6273003B2 (ja) | 2013-07-18 | 2018-01-31 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | ポリアリーレンエーテル溶液の分割 |
KR102244612B1 (ko) * | 2014-04-21 | 2021-04-26 | 삼성전자주식회사 | 무선 통신 시스템에서 음성 데이터를 송신 및 수신하기 위한 장치 및 방법 |
EP3067887A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
KR102657547B1 (ko) | 2015-06-17 | 2024-04-15 | 삼성전자주식회사 | 저연산 포맷 변환을 위한 인터널 채널 처리 방법 및 장치 |
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US10354668B2 (en) * | 2017-03-22 | 2019-07-16 | Immersion Networks, Inc. | System and method for processing audio data |
EP3588495A1 (en) * | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
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2014
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- 2014-04-04 MX MX2015011145A patent/MX347936B/es active IP Right Grant
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- 2014-04-04 KR KR1020227009866A patent/KR20220044609A/ko active Application Filing
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