SG11201600401RA - Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection - Google Patents
Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selectionInfo
- Publication number
- SG11201600401RA SG11201600401RA SG11201600401RA SG11201600401RA SG11201600401RA SG 11201600401R A SG11201600401R A SG 11201600401RA SG 11201600401R A SG11201600401R A SG 11201600401RA SG 11201600401R A SG11201600401R A SG 11201600401RA SG 11201600401R A SG11201600401R A SG 11201600401RA
- Authority
- SG
- Singapore
- Prior art keywords
- decoding
- encoding
- audio signal
- tile selection
- adaptive spectral
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 230000005236 sound signal Effects 0.000 title 1
- 230000003595 spectral effect Effects 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
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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
- G10L19/0204—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 subband decomposition
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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
- G10L19/02—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
- G10L19/0204—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 subband decomposition
- G10L19/0208—Subband vocoders
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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
- G10L19/02—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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- 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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- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
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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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- G10L21/0388—Details of processing therefor
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- 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
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- 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
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- G10L25/21—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 power information
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
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)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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EP13177350 | 2013-07-22 | ||
EP13177353 | 2013-07-22 | ||
EP13177348 | 2013-07-22 | ||
EP13177346 | 2013-07-22 | ||
EP13189368.7A EP2830064A1 (en) | 2013-07-22 | 2013-10-18 | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection |
PCT/EP2014/065116 WO2015010952A1 (en) | 2013-07-22 | 2014-07-15 | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection |
Publications (1)
Publication Number | Publication Date |
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SG11201600401RA true SG11201600401RA (en) | 2016-02-26 |
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SG11201600496XA SG11201600496XA (en) | 2013-07-22 | 2014-07-15 | Apparatus, method and computer program for decoding an encoded audio signal |
SG11201600506VA SG11201600506VA (en) | 2013-07-22 | 2014-07-15 | Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band |
SG11201600422SA SG11201600422SA (en) | 2013-07-22 | 2014-07-15 | Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency |
SG11201600401RA SG11201600401RA (en) | 2013-07-22 | 2014-07-15 | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection |
SG11201502691QA SG11201502691QA (en) | 2013-07-22 | 2014-07-15 | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
SG11201600464WA SG11201600464WA (en) | 2013-07-22 | 2014-07-15 | Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain |
SG11201600494UA SG11201600494UA (en) | 2013-07-22 | 2014-07-15 | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
Family Applications Before (3)
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SG11201600496XA SG11201600496XA (en) | 2013-07-22 | 2014-07-15 | Apparatus, method and computer program for decoding an encoded audio signal |
SG11201600506VA SG11201600506VA (en) | 2013-07-22 | 2014-07-15 | Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band |
SG11201600422SA SG11201600422SA (en) | 2013-07-22 | 2014-07-15 | Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
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SG11201502691QA SG11201502691QA (en) | 2013-07-22 | 2014-07-15 | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
SG11201600464WA SG11201600464WA (en) | 2013-07-22 | 2014-07-15 | Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain |
SG11201600494UA SG11201600494UA (en) | 2013-07-22 | 2014-07-15 | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
Country Status (20)
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US (24) | US10332539B2 (da) |
EP (20) | EP2830056A1 (da) |
JP (12) | JP6186082B2 (da) |
KR (7) | KR101774795B1 (da) |
CN (12) | CN110660410B (da) |
AU (7) | AU2014295302B2 (da) |
BR (12) | BR112016000740B1 (da) |
CA (8) | CA2918807C (da) |
ES (9) | ES2959641T3 (da) |
HK (1) | HK1211378A1 (da) |
MX (7) | MX354002B (da) |
MY (5) | MY175978A (da) |
PL (8) | PL3506260T3 (da) |
PT (7) | PT2883227T (da) |
RU (7) | RU2649940C2 (da) |
SG (7) | SG11201600496XA (da) |
TR (1) | TR201816157T4 (da) |
TW (7) | TWI541797B (da) |
WO (7) | WO2015010950A1 (da) |
ZA (5) | ZA201502262B (da) |
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EP2830056A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain |
EP2830052A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 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 |
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FR3011408A1 (fr) * | 2013-09-30 | 2015-04-03 | Orange | Re-echantillonnage d'un signal audio pour un codage/decodage a bas retard |
EP3518237B1 (en) | 2014-03-14 | 2022-09-07 | Telefonaktiebolaget LM Ericsson (publ) | Audio coding method and apparatus |
EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
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CN112967727A (zh) * | 2014-12-09 | 2021-06-15 | 杜比国际公司 | Mdct域错误掩盖 |
TWI771266B (zh) * | 2015-03-13 | 2022-07-11 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
GB201504403D0 (en) | 2015-03-16 | 2015-04-29 | Microsoft Technology Licensing Llc | Adapting encoded bandwidth |
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EP3382703A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and methods for processing an audio signal |
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