JPH1094098A - モノラル信号から多チャンネル信号を発生する方法及び装置 - Google Patents
モノラル信号から多チャンネル信号を発生する方法及び装置Info
- Publication number
- JPH1094098A JPH1094098A JP9216637A JP21663797A JPH1094098A JP H1094098 A JPH1094098 A JP H1094098A JP 9216637 A JP9216637 A JP 9216637A JP 21663797 A JP21663797 A JP 21663797A JP H1094098 A JPH1094098 A JP H1094098A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- signals
- different types
- channel
- output
- Prior art date
- 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
- 238000000034 method Methods 0.000 title claims description 29
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 238000001228 spectrum Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000033458 reproduction Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/07—Synergistic effects of band splitting and sub-band processing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19632734:2 | 1996-08-14 | ||
| DE19632734A DE19632734A1 (de) | 1996-08-14 | 1996-08-14 | Verfahren und Vorrichtung zum Generieren eines Mehrton-Signals aus einem Mono-Signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1094098A true JPH1094098A (ja) | 1998-04-10 |
| JPH1094098A5 JPH1094098A5 (enExample) | 2005-05-26 |
Family
ID=7802595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9216637A Pending JPH1094098A (ja) | 1996-08-14 | 1997-08-11 | モノラル信号から多チャンネル信号を発生する方法及び装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6005946A (enExample) |
| EP (1) | EP0825800A3 (enExample) |
| JP (1) | JPH1094098A (enExample) |
| CN (1) | CN1129346C (enExample) |
| DE (1) | DE19632734A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012533954A (ja) * | 2009-07-22 | 2012-12-27 | ストーミングスイス・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | ステレオ又は疑似ステレオオーディオ信号の最適化装置及び方法 |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100718829B1 (ko) | 1999-12-24 | 2007-05-17 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 다채널 오디오 신호 처리 장치 |
| US6829018B2 (en) | 2001-09-17 | 2004-12-07 | Koninklijke Philips Electronics N.V. | Three-dimensional sound creation assisted by visual information |
| ATE355590T1 (de) * | 2003-04-17 | 2006-03-15 | Koninkl Philips Electronics Nv | Audiosignalsynthese |
| ATE359687T1 (de) * | 2003-04-17 | 2007-05-15 | Koninkl Philips Electronics Nv | Audiosignalgenerierung |
| SE0301273D0 (sv) * | 2003-04-30 | 2003-04-30 | Coding Technologies Sweden Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| CN100396162C (zh) * | 2004-07-14 | 2008-06-18 | 华南理工大学 | 三扬声器虚拟5.1通路环绕声的信号处理方法 |
| CN102117617B (zh) * | 2004-10-28 | 2013-01-30 | Dts（英属维尔京群岛）有限公司 | 音频空间环境引擎 |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| US7920708B2 (en) * | 2006-11-16 | 2011-04-05 | Texas Instruments Incorporated | Low computation mono to stereo conversion using intra-aural differences |
| US8019086B2 (en) * | 2006-11-16 | 2011-09-13 | Texas Instruments Incorporated | Stereo synthesizer using comb filters and intra-aural differences |
| EP2124486A1 (de) * | 2008-05-13 | 2009-11-25 | Clemens Par | Winkelabhängig operierende Vorrichtung oder Methodik zur Gewinnung eines pseudostereophonen Audiosignals |
| US8583424B2 (en) * | 2008-06-26 | 2013-11-12 | France Telecom | Spatial synthesis of multichannel audio signals |
| CH703501A2 (de) | 2010-08-03 | 2012-02-15 | Stormingswiss Gmbh | Vorrichtung und Verfahren zur Auswertung und Optimierung von Signalen auf der Basis algebraischer Invarianten. |
| CH703771A2 (de) | 2010-09-10 | 2012-03-15 | Stormingswiss Gmbh | Vorrichtung und Verfahren zur zeitlichen Auswertung und Optimierung von stereophonen oder pseudostereophonen Signalen. |
| ES2540215T3 (es) * | 2012-04-05 | 2015-07-09 | Huawei Technologies Co., Ltd. | Método de estimación de diferencia inter-canal y dispositivo de codificación de audio espacial |
| US9338552B2 (en) | 2014-05-09 | 2016-05-10 | Trifield Ip, Llc | Coinciding low and high frequency localization panning |
| EP2980789A1 (en) * | 2014-07-30 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhancing an audio signal, sound enhancing system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE973570C (de) * | 1948-10-02 | 1960-03-31 | Siemens Ag | Einrichtung zur plastischen Wiedergabe elektroakustischer Darbietungen |
| US4555795A (en) * | 1982-07-22 | 1985-11-26 | Tvi Systems, Ltd. | Monaural to binaural audio processor |
| US5235646A (en) * | 1990-06-15 | 1993-08-10 | Wilde Martin D | Method and apparatus for creating de-correlated audio output signals and audio recordings made thereby |
| JPH05191896A (ja) * | 1992-01-13 | 1993-07-30 | Pioneer Electron Corp | 擬似ステレオ装置 |
| JP2979848B2 (ja) * | 1992-07-01 | 1999-11-15 | ヤマハ株式会社 | 電子楽器 |
-
1996
- 1996-08-14 DE DE19632734A patent/DE19632734A1/de not_active Withdrawn
-
1997
- 1997-08-01 EP EP97113292A patent/EP0825800A3/de not_active Withdrawn
- 1997-08-11 JP JP9216637A patent/JPH1094098A/ja active Pending
- 1997-08-11 US US08/909,773 patent/US6005946A/en not_active Expired - Fee Related
- 1997-08-13 CN CN97117358.3A patent/CN1129346C/zh not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012533954A (ja) * | 2009-07-22 | 2012-12-27 | ストーミングスイス・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | ステレオ又は疑似ステレオオーディオ信号の最適化装置及び方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1175182A (zh) | 1998-03-04 |
| CN1129346C (zh) | 2003-11-26 |
| DE19632734A1 (de) | 1998-02-19 |
| EP0825800A2 (de) | 1998-02-25 |
| EP0825800A3 (de) | 2006-03-15 |
| US6005946A (en) | 1999-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20040802 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040802 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060523 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20061024 |