JPWO2022097242A1 - - Google Patents
Info
- Publication number
- JPWO2022097242A1 JPWO2022097242A1 JP2022560576A JP2022560576A JPWO2022097242A1 JP WO2022097242 A1 JPWO2022097242 A1 JP WO2022097242A1 JP 2022560576 A JP2022560576 A JP 2022560576A JP 2022560576 A JP2022560576 A JP 2022560576A JP WO2022097242 A1 JPWO2022097242 A1 JP WO2022097242A1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L25/21—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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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/69—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for evaluating synthetic or decoded voice signals
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/041405 WO2022097242A1 (ja) | 2020-11-05 | 2020-11-05 | 音信号高域補償方法、音信号後処理方法、音信号復号方法、これらの装置、プログラム、および記録媒体 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2022097242A1 true JPWO2022097242A1 (ja) | 2022-05-12 |
Family
ID=81457044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022560576A Pending JPWO2022097242A1 (ja) | 2020-11-05 | 2020-11-05 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20230395081A1 (ja) |
JP (1) | JPWO2022097242A1 (ja) |
WO (1) | WO2022097242A1 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
JP2005114814A (ja) * | 2003-10-03 | 2005-04-28 | Nippon Telegr & Teleph Corp <Ntt> | 音声符号化・復号化方法、音声符号化・復号化装置、音声符号化・復号化プログラム、及びこれを記録した記録媒体 |
CN101091208B (zh) * | 2004-12-27 | 2011-07-13 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
JP5133401B2 (ja) * | 2007-04-26 | 2013-01-30 | ドルビー・インターナショナル・アクチボラゲット | 出力信号の合成装置及び合成方法 |
US10109284B2 (en) * | 2016-02-12 | 2018-10-23 | Qualcomm Incorporated | Inter-channel encoding and decoding of multiple high-band audio signals |
AU2017219696B2 (en) * | 2016-02-17 | 2018-11-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Post-processor, pre-processor, audio encoder, audio decoder and related methods for enhancing transient processing |
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2020
- 2020-11-05 JP JP2022560576A patent/JPWO2022097242A1/ja active Pending
- 2020-11-05 WO PCT/JP2020/041405 patent/WO2022097242A1/ja active Application Filing
- 2020-11-05 US US18/033,034 patent/US20230395081A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2022097242A1 (ja) | 2022-05-12 |
US20230395081A1 (en) | 2023-12-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230419 |