JPH0520960B2 - - Google Patents

Info

Publication number
JPH0520960B2
JPH0520960B2 JP52029126A JP2912677A JPH0520960B2 JP H0520960 B2 JPH0520960 B2 JP H0520960B2 JP 52029126 A JP52029126 A JP 52029126A JP 2912677 A JP2912677 A JP 2912677A JP H0520960 B2 JPH0520960 B2 JP H0520960B2
Authority
JP
Japan
Prior art keywords
signal
gain
phase
signals
transmission channel
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.)
Expired - Lifetime
Application number
JP52029126A
Other languages
English (en)
Japanese (ja)
Other versions
JPS52134701A (en
Inventor
Ansonii Jaazon Maikeru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BURITEITSUSHU TEKUNOROJII GURUUPU Ltd
Original Assignee
BURITEITSUSHU TEKUNOROJII GURUUPU Ltd
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
Priority claimed from GB1019176A external-priority patent/GB1550628A/en
Application filed by BURITEITSUSHU TEKUNOROJII GURUUPU Ltd filed Critical BURITEITSUSHU TEKUNOROJII GURUUPU Ltd
Publication of JPS52134701A publication Critical patent/JPS52134701A/ja
Publication of JPH0520960B2 publication Critical patent/JPH0520960B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
JP2912677A 1976-03-15 1977-03-15 Device for transmitting or recording directional sound Granted JPS52134701A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1019176A GB1550628A (en) 1976-03-15 1976-03-15 Sound reproduction systems
GB268677 1977-01-22

Publications (2)

Publication Number Publication Date
JPS52134701A JPS52134701A (en) 1977-11-11
JPH0520960B2 true JPH0520960B2 (OSRAM) 1993-03-22

Family

ID=26237664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2912677A Granted JPS52134701A (en) 1976-03-15 1977-03-15 Device for transmitting or recording directional sound

Country Status (8)

Country Link
US (1) US4095049A (OSRAM)
JP (1) JPS52134701A (OSRAM)
CA (1) CA1061721A (OSRAM)
CH (1) CH633400A5 (OSRAM)
DE (1) DE2711299A1 (OSRAM)
DK (1) DK109277A (OSRAM)
FR (1) FR2345047A1 (OSRAM)
NL (1) NL7702790A (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2073556B (en) * 1980-02-23 1984-02-22 Nat Res Dev Sound reproduction systems
US4392019A (en) * 1980-12-19 1983-07-05 Independent Broadcasting Authority Surround sound system
CA1268546C (en) * 1985-08-30 1990-05-01 STEREO VOICE SIGNAL TRANSMISSION SYSTEM
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
BRPI0509110B1 (pt) * 2004-04-05 2019-07-09 Koninklijke Philips N. V. Método e dispositivo para processar um sinal estéreo, aparelhos codificador e decodificador, e, sistema de áudio
AU2004320207A1 (en) * 2004-05-25 2005-12-08 Huonlabs Pty Ltd Audio apparatus and method
US8103006B2 (en) 2006-09-25 2012-01-24 Dolby Laboratories Licensing Corporation Spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms
BR122020001822B1 (pt) * 2010-03-26 2021-05-04 Dolby International Ab Método e dispositivo para decodificar uma representação para campo de som de áudio para reprodução de áudio e meio legível por computador
US9338552B2 (en) 2014-05-09 2016-05-10 Trifield Ip, Llc Coinciding low and high frequency localization panning

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369813A (en) * 1971-02-02 1974-10-09 Nat Res Dev Reproduction of sound
US3679832A (en) * 1971-03-23 1972-07-25 Bell Telephone Labor Inc Three-channel fm stereo transmission
US3906156A (en) * 1971-10-06 1975-09-16 Duane H Cooper Signal matrixing for directional reproduction of sound
US3856992A (en) * 1971-10-06 1974-12-24 D Cooper Multidirectional sound reproduction
US3814858A (en) * 1972-04-27 1974-06-04 Motorola Inc Multiplex system employing multiple quadrature subcarriers
US3824342A (en) * 1972-05-09 1974-07-16 Rca Corp Omnidirectional sound field reproducing system
GB1414166A (en) * 1972-07-28 1975-11-19 British Broadcasting Corp Quadraphonic sound transmission or recording system
DE2305868A1 (de) * 1973-02-07 1974-08-08 Inst Rundfunktechnik Gmbh Verfahren zur uebertragung quadrophoner signale ueber ukw-rundfunk
GB1494751A (en) * 1974-03-26 1977-12-14 Nat Res Dev Sound reproduction systems

Also Published As

Publication number Publication date
DK109277A (da) 1977-09-16
JPS52134701A (en) 1977-11-11
FR2345047A1 (fr) 1977-10-14
NL7702790A (nl) 1977-09-19
DE2711299C2 (OSRAM) 1988-09-15
DE2711299A1 (de) 1977-09-22
CA1061721A (en) 1979-09-04
CH633400A5 (fr) 1982-11-30
FR2345047B1 (OSRAM) 1984-04-27
US4095049A (en) 1978-06-13

Similar Documents

Publication Publication Date Title
US11451918B2 (en) Method for and apparatus for decoding/rendering an Ambisonics audio soundfield representation for audio playback using 2D setups
US11750995B2 (en) Method and apparatus for processing a stereo signal
US5870484A (en) Loudspeaker array with signal dependent radiation pattern
US4072821A (en) Microphone system for producing signals for quadraphonic reproduction
US5594800A (en) Sound reproduction system having a matrix converter
US5671287A (en) Stereophonic signal processor
US5610986A (en) Linear-matrix audio-imaging system and image analyzer
US5530760A (en) Apparatus and method for adjusting levels between channels of a sound system
US5546465A (en) Audio playback apparatus and method
Poletti The design of encoding functions for stereophonic and polyphonic sound systems
EP3446309A1 (en) Merging audio signals with spatial metadata
EP0571455B1 (en) Sound reproduction system
US10271157B2 (en) Method and apparatus for processing audio signal
TW201119420A (en) Virtual audio processing for loudspeaker or headphone playback
Wiggins An investigation into the real-time manipulation and control of three-dimensional sound fields
JP2001507879A (ja) ステレオ音響エキスパンダ
CN103535052A (zh) 用于完整音频信号的设备和方法
JPH0137080B2 (OSRAM)
JPH0520960B2 (OSRAM)
Griesinger Equalization and spatial equalization of dummy-head recordings for loudspeaker reproduction
Malham Approaches to spatialisation
Gerzon Psychoacoustic decoders for multispeaker stereo and surround sound
JPS6131680B2 (OSRAM)
JP2000333297A (ja) 立体音生成装置、立体音生成方法及び立体音を記録した媒体
Takeuchi et al. Extension of the optimal source distribution for binaural sound reproduction