KR910008704A - 오디오 신호 재생 장치 - Google Patents

오디오 신호 재생 장치 Download PDF

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Publication number
KR910008704A
KR910008704A KR1019900017099A KR900017099A KR910008704A KR 910008704 A KR910008704 A KR 910008704A KR 1019900017099 A KR1019900017099 A KR 1019900017099A KR 900017099 A KR900017099 A KR 900017099A KR 910008704 A KR910008704 A KR 910008704A
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KR
South Korea
Prior art keywords
audio signal
digital
signal
playback device
semiconductor memory
Prior art date
Application number
KR1019900017099A
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English (en)
Other versions
KR100225191B1 (ko
Inventor
마사유끼 니시구찌
요시히도 후지와라
Original Assignee
오오가 노리오
소니 가부시끼가이샤
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Application filed by 오오가 노리오, 소니 가부시끼가이샤 filed Critical 오오가 노리오
Publication of KR910008704A publication Critical patent/KR910008704A/ko
Application granted granted Critical
Publication of KR100225191B1 publication Critical patent/KR100225191B1/ko

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • 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
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/16—Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters 
    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C2207/00—Indexing scheme relating to arrangements for writing information into, or reading information out from, a digital store
    • G11C2207/16—Solid state audio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1041—Mechanical or electronic switches, or control elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
    • H04R2201/103—Combination of monophonic or stereophonic headphones with audio players, e.g. integrated in the headphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

내용 없음

Description

오디오 신호 재생 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 한 실시예의 오디오 신호 재생 장치 및 그 주변의 개략적인 구성을 도시하는 블록회로도.
제2도는 이 실시예의 오디오 신호 재생 장치가 적용되는 헤드폰 장치의 한 구체적인 예를 도시하는 외관 사시도.
제3도는 본 발명 실시예에 사용되는 반도체 메모리에 기억되는 오디오 데이타를 얻기 위한 고능률 압축부호와 장치의 한 구체적인 예의 개략적인 구성을 도시하는 블록 회로도.

Claims (1)

  1. 디지탈 신호로 변환된 오디오 신호가 높은 능률 압축 부호화 처리되어 얻어진 오디오 데이타가 기억되는 반도체 메모리와, 이 반도체 메모리에 기억된 데이타를 판독, 출력하여 상기 압축 부호화 처리의 역 처리가 되는 복호화처리를 실시하는 복호화 회로와, 이 복호화 회로로부터의 출력 신호를 아나로그 신호로 변환하는 디지탈/아나로그 변환기와, 이 디지탈/아나로그 변환기로부터의 출력 신호를 음향 변환하는 헤드폰 유니트를 구비하여 형성되는 헤드폰 청취형의 오디오 신호 재생 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900017099A 1989-10-25 1990-10-25 오디오 신호 재생 장치 KR100225191B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1278209A JPH03139700A (ja) 1989-10-25 1989-10-25 オーディオ信号再生装置
JP278209 1989-10-25

Publications (2)

Publication Number Publication Date
KR910008704A true KR910008704A (ko) 1991-05-31
KR100225191B1 KR100225191B1 (ko) 1999-10-15

Family

ID=17594119

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900017099A KR100225191B1 (ko) 1989-10-25 1990-10-25 오디오 신호 재생 장치

Country Status (3)

Country Link
US (2) US5640458A (ko)
JP (1) JPH03139700A (ko)
KR (1) KR100225191B1 (ko)

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Publication number Priority date Publication date Assignee Title
KR100416490B1 (ko) * 1996-02-02 2004-06-10 주식회사 두산 면역멤브레인스트립의제조방법

Also Published As

Publication number Publication date
US20050240296A1 (en) 2005-10-27
US7337027B2 (en) 2008-02-26
JPH03139700A (ja) 1991-06-13
US5640458A (en) 1997-06-17
KR100225191B1 (ko) 1999-10-15

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