JPS52112302A - 4-channel head phone unit - Google Patents

4-channel head phone unit

Info

Publication number
JPS52112302A
JPS52112302A JP3010776A JP3010776A JPS52112302A JP S52112302 A JPS52112302 A JP S52112302A JP 3010776 A JP3010776 A JP 3010776A JP 3010776 A JP3010776 A JP 3010776A JP S52112302 A JPS52112302 A JP S52112302A
Authority
JP
Japan
Prior art keywords
head phone
channel head
phone unit
sound
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.)
Granted
Application number
JP3010776A
Other languages
Japanese (ja)
Other versions
JPS6027236B2 (en
Inventor
Yoshinobu Kikuchi
Akiyoshi Yamada
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP51030107A priority Critical patent/JPS6027236B2/en
Publication of JPS52112302A publication Critical patent/JPS52112302A/en
Publication of JPS6027236B2 publication Critical patent/JPS6027236B2/en
Expired 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
    • H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
    • 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
    • H04R5/033—Headphones for stereophonic communication
    • 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
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

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 Arrangements (AREA)
  • Stereophonic System (AREA)

Abstract

PURPOSE:To make possible to receibe sound of 4-channel stereo signals with a help of a 2-channel head phone by correcting time difference between two kinds of sound reached from a speaker to a right ear and a left ear and by normalizing acoustic image.
JP51030107A 1976-03-18 1976-03-18 4 channel headphone device Expired JPS6027236B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51030107A JPS6027236B2 (en) 1976-03-18 1976-03-18 4 channel headphone device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51030107A JPS6027236B2 (en) 1976-03-18 1976-03-18 4 channel headphone device

Publications (2)

Publication Number Publication Date
JPS52112302A true JPS52112302A (en) 1977-09-20
JPS6027236B2 JPS6027236B2 (en) 1985-06-27

Family

ID=12294543

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51030107A Expired JPS6027236B2 (en) 1976-03-18 1976-03-18 4 channel headphone device

Country Status (1)

Country Link
JP (1) JPS6027236B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127302A (en) * 1976-04-19 1977-10-25 Matsushita Electric Ind Co Ltd Four-channel headphone system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4953001A (en) * 1972-09-21 1974-05-23
JPS49133002A (en) * 1972-09-08 1974-12-20
JPS5296003A (en) * 1976-02-06 1977-08-12 Matsushita Electric Ind Co Ltd Head-phone device of four channel type

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49133002A (en) * 1972-09-08 1974-12-20
JPS4953001A (en) * 1972-09-21 1974-05-23
JPS5296003A (en) * 1976-02-06 1977-08-12 Matsushita Electric Ind Co Ltd Head-phone device of four channel type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127302A (en) * 1976-04-19 1977-10-25 Matsushita Electric Ind Co Ltd Four-channel headphone system

Also Published As

Publication number Publication date
JPS6027236B2 (en) 1985-06-27

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