JPS5296003A - Head-phone device of four channel type - Google Patents

Head-phone device of four channel type

Info

Publication number
JPS5296003A
JPS5296003A JP1252776A JP1252776A JPS5296003A JP S5296003 A JPS5296003 A JP S5296003A JP 1252776 A JP1252776 A JP 1252776A JP 1252776 A JP1252776 A JP 1252776A JP S5296003 A JPS5296003 A JP S5296003A
Authority
JP
Japan
Prior art keywords
head
channel type
phone device
channel
phone
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.)
Pending
Application number
JP1252776A
Other languages
Japanese (ja)
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 JP1252776A priority Critical patent/JPS5296003A/en
Publication of JPS5296003A publication Critical patent/JPS5296003A/en
Pending 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]

Abstract

PURPOSE:To normalize the acoustic image of four channel with a two channel head-phone by electrically forming the time difference of acoustic waves to reach both ears.
JP1252776A 1976-02-06 1976-02-06 Head-phone device of four channel type Pending JPS5296003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1252776A JPS5296003A (en) 1976-02-06 1976-02-06 Head-phone device of four channel type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1252776A JPS5296003A (en) 1976-02-06 1976-02-06 Head-phone device of four channel type

Publications (1)

Publication Number Publication Date
JPS5296003A true JPS5296003A (en) 1977-08-12

Family

ID=11807791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1252776A Pending JPS5296003A (en) 1976-02-06 1976-02-06 Head-phone device of four channel type

Country Status (1)

Country Link
JP (1) JPS5296003A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52112302A (en) * 1976-03-18 1977-09-20 Matsushita Electric Ind Co Ltd 4-channel head phone unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52112302A (en) * 1976-03-18 1977-09-20 Matsushita Electric Ind Co Ltd 4-channel head phone unit
JPS6027236B2 (en) * 1976-03-18 1985-06-27 松下電器産業株式会社 4 channel headphone device

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