HK1040331B - 用於產生離開聲源一定距離的虛擬的揚聲器的方法和裝置 - Google Patents

用於產生離開聲源一定距離的虛擬的揚聲器的方法和裝置

Info

Publication number
HK1040331B
HK1040331B HK02101976.4A HK02101976A HK1040331B HK 1040331 B HK1040331 B HK 1040331B HK 02101976 A HK02101976 A HK 02101976A HK 1040331 B HK1040331 B HK 1040331B
Authority
HK
Hong Kong
Prior art keywords
developing
sound source
virtual speaker
distant
speaker distant
Prior art date
Application number
HK02101976.4A
Other languages
English (en)
Other versions
HK1040331A1 (en
Inventor
埃伍德‧G‧諾裏斯
詹姆斯‧J‧克羅夫特三世
Original Assignee
美國技術公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 美國技術公司 filed Critical 美國技術公司
Publication of HK1040331A1 publication Critical patent/HK1040331A1/xx
Publication of HK1040331B publication Critical patent/HK1040331B/zh

Links

Classifications

    • 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 sonic, ultrasonic or infrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
HK02101976.4A 1998-09-24 2002-03-14 用於產生離開聲源一定距離的虛擬的揚聲器的方法和裝置 HK1040331B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/159,443 US6229899B1 (en) 1996-07-17 1998-09-24 Method and device for developing a virtual speaker distant from the sound source
PCT/US1999/021256 WO2000018031A1 (en) 1998-09-24 1999-09-22 Method and device for developing a virtual speaker distant from the sound source

Publications (2)

Publication Number Publication Date
HK1040331A1 HK1040331A1 (en) 2002-05-31
HK1040331B true HK1040331B (zh) 2005-09-23

Family

ID=22572629

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02101976.4A HK1040331B (zh) 1998-09-24 2002-03-14 用於產生離開聲源一定距離的虛擬的揚聲器的方法和裝置

Country Status (9)

Country Link
US (1) US6229899B1 (zh)
EP (1) EP1121768A4 (zh)
JP (1) JP2002525961A (zh)
CN (1) CN1187906C (zh)
AU (1) AU6497299A (zh)
BR (1) BR9914058A (zh)
CA (1) CA2345336A1 (zh)
HK (1) HK1040331B (zh)
WO (1) WO2000018031A1 (zh)

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Also Published As

Publication number Publication date
HK1040331A1 (en) 2002-05-31
JP2002525961A (ja) 2002-08-13
CA2345336A1 (en) 2000-03-30
BR9914058A (pt) 2001-06-19
US6229899B1 (en) 2001-05-08
EP1121768A4 (en) 2006-04-12
AU6497299A (en) 2000-04-10
CN1324526A (zh) 2001-11-28
CN1187906C (zh) 2005-02-02
WO2000018031A1 (en) 2000-03-30
EP1121768A1 (en) 2001-08-08

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20090922