BR9708834A - Dispositivo sistema e aparelho de realçamento de audio sistema de computador que amplia a imagem espacial perceptivel de sinais sonoros processos de realçamento de som e de um grupo de sinais de origem de audio gerados para reprodução de um ambiente de som de efeito envolvente - Google Patents
Dispositivo sistema e aparelho de realçamento de audio sistema de computador que amplia a imagem espacial perceptivel de sinais sonoros processos de realçamento de som e de um grupo de sinais de origem de audio gerados para reprodução de um ambiente de som de efeito envolventeInfo
- Publication number
- BR9708834A BR9708834A BR9708834A BR9708834A BR9708834A BR 9708834 A BR9708834 A BR 9708834A BR 9708834 A BR9708834 A BR 9708834A BR 9708834 A BR9708834 A BR 9708834A BR 9708834 A BR9708834 A BR 9708834A
- Authority
- BR
- Brazil
- Prior art keywords
- sound
- audio
- enhancement
- enlarges
- reproduction
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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
- H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/641,319 US5970152A (en) | 1996-04-30 | 1996-04-30 | Audio enhancement system for use in a surround sound environment |
PCT/US1997/006995 WO1997041711A1 (en) | 1996-04-30 | 1997-04-28 | Audio enhancement system for use in a surround sound environment |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9708834A true BR9708834A (pt) | 1999-08-03 |
Family
ID=24571865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9708834A BR9708834A (pt) | 1996-04-30 | 1997-04-28 | Dispositivo sistema e aparelho de realçamento de audio sistema de computador que amplia a imagem espacial perceptivel de sinais sonoros processos de realçamento de som e de um grupo de sinais de origem de audio gerados para reprodução de um ambiente de som de efeito envolvente |
Country Status (10)
Country | Link |
---|---|
US (1) | US5970152A (pt) |
EP (1) | EP0897651A1 (pt) |
JP (1) | JP2001501784A (pt) |
KR (1) | KR20000065108A (pt) |
CN (1) | CN1227951C (pt) |
AU (1) | AU2743597A (pt) |
BR (1) | BR9708834A (pt) |
CA (1) | CA2252595A1 (pt) |
TW (1) | TW309691B (pt) |
WO (1) | WO1997041711A1 (pt) |
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GB2277855B (en) * | 1993-05-06 | 1997-12-10 | S S Stereo P Limited | Audio signal reproducing apparatus |
US5371799A (en) * | 1993-06-01 | 1994-12-06 | Qsound Labs, Inc. | Stereo headphone sound source localization system |
EP0637191B1 (en) * | 1993-07-30 | 2003-10-22 | Victor Company Of Japan, Ltd. | Surround signal processing apparatus |
US5533129A (en) * | 1994-08-24 | 1996-07-02 | Gefvert; Herbert I. | Multi-dimensional sound reproduction system |
JP3276528B2 (ja) * | 1994-08-24 | 2002-04-22 | シャープ株式会社 | 音像拡大装置 |
-
1996
- 1996-04-30 US US08/641,319 patent/US5970152A/en not_active Expired - Lifetime
- 1996-05-17 TW TW085105889A patent/TW309691B/zh active
-
1997
- 1997-04-28 AU AU27435/97A patent/AU2743597A/en not_active Abandoned
- 1997-04-28 JP JP09539068A patent/JP2001501784A/ja active Pending
- 1997-04-28 WO PCT/US1997/006995 patent/WO1997041711A1/en not_active Application Discontinuation
- 1997-04-28 KR KR1019980708699A patent/KR20000065108A/ko not_active Application Discontinuation
- 1997-04-28 EP EP97921388A patent/EP0897651A1/en not_active Ceased
- 1997-04-28 CA CA002252595A patent/CA2252595A1/en not_active Abandoned
- 1997-04-28 CN CNB971957169A patent/CN1227951C/zh not_active Expired - Lifetime
- 1997-04-28 BR BR9708834A patent/BR9708834A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
TW309691B (en) | 1997-07-01 |
AU2743597A (en) | 1997-11-19 |
CA2252595A1 (en) | 1997-11-06 |
CN1227951C (zh) | 2005-11-16 |
KR20000065108A (ko) | 2000-11-06 |
US5970152A (en) | 1999-10-19 |
JP2001501784A (ja) | 2001-02-06 |
EP0897651A1 (en) | 1999-02-24 |
WO1997041711A1 (en) | 1997-11-06 |
CN1223064A (zh) | 1999-07-14 |
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