JPWO2021033296A1 - - Google Patents
Info
- Publication number
- JPWO2021033296A1 JPWO2021033296A1 JP2021541415A JP2021541415A JPWO2021033296A1 JP WO2021033296 A1 JPWO2021033296 A1 JP WO2021033296A1 JP 2021541415 A JP2021541415 A JP 2021541415A JP 2021541415 A JP2021541415 A JP 2021541415A JP WO2021033296 A1 JPWO2021033296 A1 JP WO2021033296A1
- 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.)
- Granted
Links
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
- 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
- G10L21/0272—Voice signal separating
- G10L21/0308—Voice signal separating characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
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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
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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
- G10L21/0272—Voice signal separating
-
- 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)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2019/032687 WO2021033296A1 (ja) | 2019-08-21 | 2019-08-21 | 推定装置、推定方法及び推定プログラム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021033296A1 true JPWO2021033296A1 (ja) | 2021-02-25 |
JP7243840B2 JP7243840B2 (ja) | 2023-03-22 |
Family
ID=74660460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021541415A Active JP7243840B2 (ja) | 2019-08-21 | 2019-08-21 | 推定装置、推定方法及び推定プログラム |
Country Status (3)
Country | Link |
---|---|
US (1) | US11967328B2 (ja) |
JP (1) | JP7243840B2 (ja) |
WO (1) | WO2021033296A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6915579B2 (ja) * | 2018-04-06 | 2021-08-04 | 日本電信電話株式会社 | 信号分析装置、信号分析方法および信号分析プログラム |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013167698A (ja) * | 2012-02-14 | 2013-08-29 | Nippon Telegr & Teleph Corp <Ntt> | 音源ごとに信号のスペクトル形状特徴量を推定する装置、方法、目的信号のスペクトル特徴量を推定する装置、方法、プログラム |
JP2019074625A (ja) * | 2017-10-16 | 2019-05-16 | 株式会社日立製作所 | 音源分離方法および音源分離装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2976893A4 (en) * | 2013-03-20 | 2016-12-14 | Nokia Technologies Oy | SPACE AUDIO DEVICE |
US9842609B2 (en) * | 2016-02-16 | 2017-12-12 | Red Pill VR, Inc. | Real-time adaptive audio source separation |
-
2019
- 2019-08-21 JP JP2021541415A patent/JP7243840B2/ja active Active
- 2019-08-21 WO PCT/JP2019/032687 patent/WO2021033296A1/ja active Application Filing
- 2019-08-21 US US17/629,423 patent/US11967328B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013167698A (ja) * | 2012-02-14 | 2013-08-29 | Nippon Telegr & Teleph Corp <Ntt> | 音源ごとに信号のスペクトル形状特徴量を推定する装置、方法、目的信号のスペクトル特徴量を推定する装置、方法、プログラム |
JP2019074625A (ja) * | 2017-10-16 | 2019-05-16 | 株式会社日立製作所 | 音源分離方法および音源分離装置 |
Non-Patent Citations (3)
Title |
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伊藤 信貴ほか: "FastFCA:空間共分散行列の同時対角化に基づく時変複素ガウス分布を用いた音源分離法の高速化", 日本音響学会2018年春季研究発表会講演論文集, JPN6019039573, 15 March 2018 (2018-03-15), pages 427 - 430, ISSN: 0004873779 * |
吉井 和佳ほか: "独立低ランクテンソル分析:非負値性・低ランク性・独立性に基づくブラインド音源分離の統一理論", 電子情報通信学会技術研究報告, vol. 第118巻, 第284号, JPN6019039571, 29 October 2018 (2018-10-29), JP, pages 37 - 44, ISSN: 0004873778 * |
池下 林太郎: "マルチチャネル音源分離のための独立半正定値テンソル分析の検討", 日本音響学会2018年春季研究発表会講演論文集, JPN6019039570, 15 March 2018 (2018-03-15), JP, pages 551 - 554, ISSN: 0004873777 * |
Also Published As
Publication number | Publication date |
---|---|
US11967328B2 (en) | 2024-04-23 |
WO2021033296A1 (ja) | 2021-02-25 |
JP7243840B2 (ja) | 2023-03-22 |
US20220301570A1 (en) | 2022-09-22 |
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