TW201317984A - 信號處理設備，信號處理方法及程式 - Google Patents
信號處理設備，信號處理方法及程式 Download PDFInfo
- Publication number
- TW201317984A TW201317984A TW101121109A TW101121109A TW201317984A TW 201317984 A TW201317984 A TW 201317984A TW 101121109 A TW101121109 A TW 101121109A TW 101121109 A TW101121109 A TW 101121109A TW 201317984 A TW201317984 A TW 201317984A
- Authority
- TW
- Taiwan
- Prior art keywords
- sound
- audio signal
- pass filter
- signal
- sound quality
- Prior art date
Links
- 238000012545 processing Methods 0.000 title claims abstract description 92
- 238000003672 processing method Methods 0.000 title claims description 8
- 230000005236 sound signal Effects 0.000 claims abstract description 77
- 238000001914 filtration Methods 0.000 claims abstract description 34
- 238000005070 sampling Methods 0.000 claims description 30
- 230000001934 delay Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 20
- 238000005516 engineering process Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 230000001052 transient effect Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000002708 enhancing effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- 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
- G10L19/04—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 predictive techniques
- G10L19/26—Pre-filtering or post-filtering
-
- 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
-
- 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
- G10L21/0388—Details of processing therefor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011141566A JP2013007944A (ja) | 2011-06-27 | 2011-06-27 | 信号処理装置、信号処理方法、及び、プログラム |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW201317984A true TW201317984A (zh) | 2013-05-01 |
Family
ID=46298244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101121109A TW201317984A (zh) | 2011-06-27 | 2012-06-13 | 信號處理設備，信號處理方法及程式 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9324334B2 (https=) |
| EP (1) | EP2541548A3 (https=) |
| JP (1) | JP2013007944A (https=) |
| KR (1) | KR20130007439A (https=) |
| CN (1) | CN102855879A (https=) |
| TW (1) | TW201317984A (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103377643B (zh) * | 2012-04-26 | 2017-02-15 | 富泰华工业（深圳）有限公司 | 字体调整系统及方法 |
| US9361903B2 (en) * | 2013-08-22 | 2016-06-07 | Microsoft Technology Licensing, Llc | Preserving privacy of a conversation from surrounding environment using a counter signal |
| CN105764002B (zh) | 2014-12-17 | 2019-10-01 | 南宁富桂精密工业有限公司 | 音频信号处理电路 |
| US10477314B2 (en) * | 2017-03-20 | 2019-11-12 | Bambu Tech, Inc. | Dynamic audio enhancement using an all-pass filter |
| DE112020001090T5 (de) | 2019-03-05 | 2021-12-30 | Sony Group Corporation | Signalverarbeitungsvorrichtung, -verfahren und -programm |
| US12149911B2 (en) | 2020-02-25 | 2024-11-19 | Sony Group Corporation | Signal processing apparatus, signal processing method, and program |
| CN113176592B (zh) * | 2021-06-30 | 2021-09-07 | 中国人民解放军国防科技大学 | 导航接收机射频前端群时延特性均衡设计方法及装置 |
Family Cites Families (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW432806B (en) * | 1996-12-09 | 2001-05-01 | Matsushita Electric Industrial Co Ltd | Audio decoding device |
| JP3576935B2 (ja) * | 2000-07-21 | 2004-10-13 | 株式会社ケンウッド | 周波数間引き装置、周波数間引き方法及び記録媒体 |
| US7447631B2 (en) * | 2002-06-17 | 2008-11-04 | Dolby Laboratories Licensing Corporation | Audio coding system using spectral hole filling |
| WO2006001301A1 (ja) * | 2004-06-25 | 2006-01-05 | Evolvable Systems Research Institute Inc. | 伝送装置および伝送方法 |
| CN101040322A (zh) * | 2004-10-15 | 2007-09-19 | 皇家飞利浦电子股份有限公司 | 处理音频数据以便生成交混回响的系统和方法 |
| US8243864B2 (en) * | 2004-11-19 | 2012-08-14 | Qualcomm, Incorporated | Noise reduction filtering in a wireless communication system |
| KR100739691B1 (ko) * | 2005-02-05 | 2007-07-13 | 삼성전자주식회사 | 음장 효과 재생을 위한 사운드 초기 반사음 재생 장치 및방법 |
| EP1906706B1 (en) * | 2005-07-15 | 2009-11-25 | Panasonic Corporation | Audio decoder |
| CN1719512B (zh) * | 2005-07-15 | 2010-09-29 | 北京中星微电子有限公司 | 数字音频混响模拟系统以及数字音频混响模拟方法 |
| KR100739776B1 (ko) * | 2005-09-22 | 2007-07-13 | 삼성전자주식회사 | 입체 음향 생성 방법 및 장치 |
| JP4641272B2 (ja) * | 2006-03-08 | 2011-03-02 | シャープ株式会社 | デジタルデータ復号化装置 |
| JP4175376B2 (ja) * | 2006-03-30 | 2008-11-05 | ヤマハ株式会社 | オーディオ信号処理装置、オーディオ信号処理方法、及びオーディオ信号処理プログラム |
| JP5141180B2 (ja) | 2006-11-09 | 2013-02-13 | ソニー株式会社 | 周波数帯域拡大装置及び周波数帯域拡大方法、再生装置及び再生方法、並びに、プログラム及び記録媒体 |
| JP5010391B2 (ja) * | 2007-08-17 | 2012-08-29 | ザインエレクトロニクス株式会社 | 画像信号処理装置 |
| US20090086982A1 (en) * | 2007-09-28 | 2009-04-02 | Qualcomm Incorporated | Crosstalk cancellation for closely spaced speakers |
| DE102008015702B4 (de) * | 2008-01-31 | 2010-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zur Bandbreitenerweiterung eines Audiosignals |
| US20100027799A1 (en) * | 2008-07-31 | 2010-02-04 | Sony Ericsson Mobile Communications Ab | Asymmetrical delay audio crosstalk cancellation systems, methods and electronic devices including the same |
| WO2010016444A1 (ja) * | 2008-08-07 | 2010-02-11 | 京セラ株式会社 | 電力増幅装置ならびにそれを用いた送信装置および通信装置 |
| US20100066442A1 (en) * | 2008-09-15 | 2010-03-18 | Fenghao Mu | Method and Apparatus for Tunable Current-Mode Filtering |
| US20110065408A1 (en) * | 2009-09-17 | 2011-03-17 | Peter Kenington | Mismatched delay based interference cancellation device and method |
| JP2011141566A (ja) | 2011-04-04 | 2011-07-21 | Mitsubishi Chemicals Corp | 画像形成方法及び画像形成装置 |
-
2011
- 2011-06-27 JP JP2011141566A patent/JP2013007944A/ja active Pending
-
2012
- 2012-05-23 EP EP20120169089 patent/EP2541548A3/en not_active Ceased
- 2012-06-05 US US13/488,679 patent/US9324334B2/en not_active Expired - Fee Related
- 2012-06-13 TW TW101121109A patent/TW201317984A/zh unknown
- 2012-06-19 KR KR1020120065596A patent/KR20130007439A/ko not_active Withdrawn
- 2012-06-20 CN CN2012102093660A patent/CN102855879A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR20130007439A (ko) | 2013-01-18 |
| JP2013007944A (ja) | 2013-01-10 |
| US9324334B2 (en) | 2016-04-26 |
| CN102855879A (zh) | 2013-01-02 |
| EP2541548A2 (en) | 2013-01-02 |
| US20120328123A1 (en) | 2012-12-27 |
| EP2541548A3 (en) | 2014-05-21 |
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