ZA201601080B - Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension - Google Patents
Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extensionInfo
- Publication number
- ZA201601080B ZA201601080B ZA2016/01080A ZA201601080A ZA201601080B ZA 201601080 B ZA201601080 B ZA 201601080B ZA 2016/01080 A ZA2016/01080 A ZA 2016/01080A ZA 201601080 A ZA201601080 A ZA 201601080A ZA 201601080 B ZA201601080 B ZA 201601080B
- Authority
- ZA
- South Africa
- Prior art keywords
- audio
- basis
- providing
- channel signals
- encoded representation
- Prior art date
Links
- 238000000034 method Methods 0.000 title 2
- 238000004590 computer program Methods 0.000 title 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
- G10L19/008—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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- 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
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- 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
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177376 | 2013-07-22 | ||
| EP13189306.7A EP2830052A1 (en) | 2013-07-22 | 2013-10-18 | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
| PCT/EP2014/065021 WO2015010934A1 (en) | 2013-07-22 | 2014-07-14 | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA201601080B true ZA201601080B (en) | 2017-08-30 |
Family
ID=48874137
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2016/01078A ZA201601078B (en) | 2013-07-22 | 2016-02-17 | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| ZA2016/01080A ZA201601080B (en) | 2013-07-22 | 2016-02-17 | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA2016/01078A ZA201601078B (en) | 2013-07-22 | 2016-02-17 | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
Country Status (19)
| Country | Link |
|---|---|
| US (8) | US9953656B2 (enExample) |
| EP (4) | EP2830051A3 (enExample) |
| JP (2) | JP6346278B2 (enExample) |
| KR (2) | KR101823278B1 (enExample) |
| CN (5) | CN111128206B (enExample) |
| AR (2) | AR097011A1 (enExample) |
| AU (2) | AU2014295360B2 (enExample) |
| BR (2) | BR112016001141B1 (enExample) |
| CA (2) | CA2917770C (enExample) |
| ES (2) | ES2650544T3 (enExample) |
| MX (2) | MX357667B (enExample) |
| MY (1) | MY181944A (enExample) |
| PL (2) | PL3022735T3 (enExample) |
| PT (2) | PT3022735T (enExample) |
| RU (2) | RU2677580C2 (enExample) |
| SG (1) | SG11201600468SA (enExample) |
| TW (2) | TWI544479B (enExample) |
| WO (2) | WO2015010926A1 (enExample) |
| ZA (2) | ZA201601078B (enExample) |
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| EP2830053A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| CN107430862B (zh) | 2015-02-27 | 2022-10-04 | 奥罗技术公司 | 数字数据集合的编码和解码 |
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| US10490197B2 (en) | 2015-06-17 | 2019-11-26 | Samsung Electronics Co., Ltd. | Method and device for processing internal channels for low complexity format conversion |
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| US10217468B2 (en) * | 2017-01-19 | 2019-02-26 | Qualcomm Incorporated | Coding of multiple audio signals |
| US10573326B2 (en) * | 2017-04-05 | 2020-02-25 | Qualcomm Incorporated | Inter-channel bandwidth extension |
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| CN114708874A (zh) | 2018-05-31 | 2022-07-05 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
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