SG10202101744YA - Improved subband block based harmonic transposition - Google Patents
Improved subband block based harmonic transpositionInfo
- Publication number
- SG10202101744YA SG10202101744YA SG10202101744YA SG10202101744YA SG10202101744YA SG 10202101744Y A SG10202101744Y A SG 10202101744YA SG 10202101744Y A SG10202101744Y A SG 10202101744YA SG 10202101744Y A SG10202101744Y A SG 10202101744YA SG 10202101744Y A SG10202101744Y A SG 10202101744YA
- Authority
- SG
- Singapore
- Prior art keywords
- block based
- harmonic transposition
- subband block
- based harmonic
- improved subband
- Prior art date
Links
- 230000017105 transposition 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
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- G10L21/04—Time compression or expansion
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Vibration Dampers (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Braking Arrangements (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29624110P | 2010-01-19 | 2010-01-19 | |
| US33154510P | 2010-05-05 | 2010-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG10202101744YA true SG10202101744YA (en) | 2021-04-29 |
Family
ID=43531026
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2012045795A SG182269A1 (en) | 2010-01-19 | 2011-01-05 | Improved subband block based harmonic transposition |
| SG10201408425QA SG10201408425QA (en) | 2010-01-19 | 2011-01-05 | Improved subband block based harmonic transposition |
| SG10202101744YA SG10202101744YA (en) | 2010-01-19 | 2011-01-05 | Improved subband block based harmonic transposition |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG2012045795A SG182269A1 (en) | 2010-01-19 | 2011-01-05 | Improved subband block based harmonic transposition |
| SG10201408425QA SG10201408425QA (en) | 2010-01-19 | 2011-01-05 | Improved subband block based harmonic transposition |
Country Status (17)
| Country | Link |
|---|---|
| US (10) | US8898067B2 (ru) |
| EP (9) | EP4120263B1 (ru) |
| JP (10) | JP5329717B2 (ru) |
| KR (14) | KR102020334B1 (ru) |
| CN (4) | CN102741921B (ru) |
| AU (1) | AU2011208899B2 (ru) |
| BR (6) | BR122019025131B1 (ru) |
| CA (9) | CA2784564C (ru) |
| CL (1) | CL2012001990A1 (ru) |
| ES (6) | ES2955432T3 (ru) |
| MX (1) | MX2012007942A (ru) |
| MY (2) | MY164396A (ru) |
| PL (6) | PL3806096T3 (ru) |
| RU (3) | RU2518682C2 (ru) |
| SG (3) | SG182269A1 (ru) |
| UA (1) | UA102347C2 (ru) |
| WO (1) | WO2011089029A1 (ru) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| UA102347C2 (ru) | 2010-01-19 | 2013-06-25 | Долби Интернешнл Аб | Усовершенствованное гармоническое преобразование на основе блока поддиапазонов |
| US8958510B1 (en) * | 2010-06-10 | 2015-02-17 | Fredric J. Harris | Selectable bandwidth filter |
| KR102564590B1 (ko) | 2010-09-16 | 2023-08-09 | 돌비 인터네셔널 에이비 | 교차 곱 강화된 서브밴드 블록 기반 고조파 전위 |
| EP2682941A1 (de) * | 2012-07-02 | 2014-01-08 | Technische Universität Ilmenau | Vorrichtung, Verfahren und Computerprogramm für frei wählbare Frequenzverschiebungen in der Subband-Domäne |
| JP2014041240A (ja) * | 2012-08-22 | 2014-03-06 | Pioneer Electronic Corp | タイムスケーリング方法、ピッチシフト方法、オーディオデータ処理装置およびプログラム |
| CN106847297B (zh) | 2013-01-29 | 2020-07-07 | 华为技术有限公司 | 高频带信号的预测方法、编/解码设备 |
| EP3291233B1 (en) * | 2013-09-12 | 2019-10-16 | Dolby International AB | Time-alignment of qmf based processing data |
| US9306606B2 (en) * | 2014-06-10 | 2016-04-05 | The Boeing Company | Nonlinear filtering using polyphase filter banks |
| EP2963646A1 (en) | 2014-07-01 | 2016-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal |
| US10129659B2 (en) | 2015-05-08 | 2018-11-13 | Doly International AB | Dialog enhancement complemented with frequency transposition |
| CN108140396B (zh) * | 2015-09-22 | 2022-11-25 | 皇家飞利浦有限公司 | 音频信号处理 |
| TWI807562B (zh) | 2017-03-23 | 2023-07-01 | 瑞典商都比國際公司 | 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合 |
| EP3616196A4 (en) * | 2017-04-28 | 2021-01-20 | DTS, Inc. | AUDIO ENCODER WINDOW AND TRANSFORMATION IMPLEMENTATIONS |
| JP7189230B2 (ja) | 2018-04-09 | 2022-12-13 | ドルビー ラボラトリーズ ライセンシング コーポレイション | ニューラルネットワークマッピングを用いるｈｄｒ画像表現 |
| CA3152262A1 (en) * | 2018-04-25 | 2019-10-31 | Dolby International Ab | Integration of high frequency reconstruction techniques with reduced post-processing delay |
| US11527256B2 (en) * | 2018-04-25 | 2022-12-13 | Dolby International Ab | Integration of high frequency audio reconstruction techniques |
| CN114822572A (zh) * | 2022-04-18 | 2022-07-29 | 西北工业大学 | 一种低信噪比下基于滤波器组的语音增强方法 |
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| SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
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