KR930011849U - Audio noise reduction circuit of CD-ROM drive - Google Patents

Audio noise reduction circuit of CD-ROM drive

Info

Publication number
KR930011849U
KR930011849U KR2019910019114U KR910019114U KR930011849U KR 930011849 U KR930011849 U KR 930011849U KR 2019910019114 U KR2019910019114 U KR 2019910019114U KR 910019114 U KR910019114 U KR 910019114U KR 930011849 U KR930011849 U KR 930011849U
Authority
KR
South Korea
Prior art keywords
noise reduction
rom drive
reduction circuit
audio noise
audio
Prior art date
Application number
KR2019910019114U
Other languages
Korean (ko)
Other versions
KR930008498Y1 (en
Inventor
김춘근
Original Assignee
주식회사 금성사
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 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019910019114U priority Critical patent/KR930008498Y1/en
Publication of KR930011849U publication Critical patent/KR930011849U/en
Application granted granted Critical
Publication of KR930008498Y1 publication Critical patent/KR930008498Y1/en

Links

Classifications

    • 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
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
KR2019910019114U 1991-11-11 1991-11-11 Kr/ sound noise removing circuit of cd-rom drive KR930008498Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019910019114U KR930008498Y1 (en) 1991-11-11 1991-11-11 Kr/ sound noise removing circuit of cd-rom drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019910019114U KR930008498Y1 (en) 1991-11-11 1991-11-11 Kr/ sound noise removing circuit of cd-rom drive

Publications (2)

Publication Number Publication Date
KR930011849U true KR930011849U (en) 1993-06-25
KR930008498Y1 KR930008498Y1 (en) 1993-12-22

Family

ID=19321961

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019910019114U KR930008498Y1 (en) 1991-11-11 1991-11-11 Kr/ sound noise removing circuit of cd-rom drive

Country Status (1)

Country Link
KR (1) KR930008498Y1 (en)

Also Published As

Publication number Publication date
KR930008498Y1 (en) 1993-12-22

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee