CN1237732C - 采用参量音响系统产生虚拟扬声器的系统和方法 - Google Patents

采用参量音响系统产生虚拟扬声器的系统和方法 Download PDF

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Publication number
CN1237732C
CN1237732C CN02809471.9A CN02809471A CN1237732C CN 1237732 C CN1237732 C CN 1237732C CN 02809471 A CN02809471 A CN 02809471A CN 1237732 C CN1237732 C CN 1237732C
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CN
China
Prior art keywords
audio
sound
parametric
speaker
audio output
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Expired - Fee Related
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CN02809471.9A
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English (en)
Chinese (zh)
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CN1507701A (zh
Inventor
E·G·诺里斯
J·J·克罗夫特三世
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Genasys Inc
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American Technology Corp
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Publication of CN1507701A publication Critical patent/CN1507701A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0091—Means for obtaining special acoustic effects
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/02—Synthesis of acoustic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing ultrasonic, sonic or infrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2210/00—Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/155—Musical effects
    • G10H2210/265—Acoustic effect simulation, i.e. volume, spatial, resonance or reverberation effects added to a musical sound, usually by appropriate filtering or delays
    • G10H2210/295—Spatial effects, musical uses of multiple audio channels, e.g. stereo
    • G10H2210/301—Soundscape or sound field simulation, reproduction or control for musical purposes, e.g. surround or 3D sound; Granular synthesis
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CN02809471.9A 2001-05-07 2002-05-07 采用参量音响系统产生虚拟扬声器的系统和方法 Expired - Fee Related CN1237732C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/850,523 2001-05-07
US09/850,523 US6577738B2 (en) 1996-07-17 2001-05-07 Parametric virtual speaker and surround-sound system

Publications (2)

Publication Number Publication Date
CN1507701A CN1507701A (zh) 2004-06-23
CN1237732C true CN1237732C (zh) 2006-01-18

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CN02809471.9A Expired - Fee Related CN1237732C (zh) 2001-05-07 2002-05-07 采用参量音响系统产生虚拟扬声器的系统和方法

Country Status (6)

Country Link
US (2) US6577738B2 (enExample)
EP (1) EP1386415A4 (enExample)
JP (1) JP2004527968A (enExample)
CN (1) CN1237732C (enExample)
CA (1) CA2446645A1 (enExample)
WO (1) WO2002093773A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
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CN102461212A (zh) * 2009-06-05 2012-05-16 皇家飞利浦电子股份有限公司 环绕声系统及用于其的方法
CN107454511A (zh) * 2012-08-31 2017-12-08 杜比实验室特许公司 用于使声音从观看屏幕或显示表面反射的扬声器

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CN107454511A (zh) * 2012-08-31 2017-12-08 杜比实验室特许公司 用于使声音从观看屏幕或显示表面反射的扬声器
CN107454511B (zh) * 2012-08-31 2024-04-05 杜比实验室特许公司 用于使声音从观看屏幕或显示表面反射的扬声器

Also Published As

Publication number Publication date
CA2446645A1 (en) 2002-11-21
CN1507701A (zh) 2004-06-23
JP2004527968A (ja) 2004-09-09
EP1386415A4 (en) 2008-11-05
US7298853B2 (en) 2007-11-20
US20040247140A1 (en) 2004-12-09
US6577738B2 (en) 2003-06-10
EP1386415A1 (en) 2004-02-04
WO2002093773A1 (en) 2002-11-21
US20010055397A1 (en) 2001-12-27

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