JPS57172511A - Time-axis compressing and expanding circuit - Google Patents

Time-axis compressing and expanding circuit

Info

Publication number
JPS57172511A
JPS57172511A JP56058821A JP5882181A JPS57172511A JP S57172511 A JPS57172511 A JP S57172511A JP 56058821 A JP56058821 A JP 56058821A JP 5882181 A JP5882181 A JP 5882181A JP S57172511 A JPS57172511 A JP S57172511A
Authority
JP
Japan
Prior art keywords
pass filter
low
signal
variable
variable low
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
JP56058821A
Other languages
English (en)
Japanese (ja)
Other versions
JPH035597B2 (enrdf_load_stackoverflow
Inventor
Takehiko Asano
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.)
Sanyo Electric Co Ltd
Sanyo Denki Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Sanyo Denki 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 Sanyo Electric Co Ltd, Sanyo Denki Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP56058821A priority Critical patent/JPS57172511A/ja
Publication of JPS57172511A publication Critical patent/JPS57172511A/ja
Publication of JPH035597B2 publication Critical patent/JPH035597B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007Time or data compression or expansion

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
JP56058821A 1981-04-17 1981-04-17 Time-axis compressing and expanding circuit Granted JPS57172511A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56058821A JPS57172511A (en) 1981-04-17 1981-04-17 Time-axis compressing and expanding circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56058821A JPS57172511A (en) 1981-04-17 1981-04-17 Time-axis compressing and expanding circuit

Publications (2)

Publication Number Publication Date
JPS57172511A true JPS57172511A (en) 1982-10-23
JPH035597B2 JPH035597B2 (enrdf_load_stackoverflow) 1991-01-25

Family

ID=13095290

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56058821A Granted JPS57172511A (en) 1981-04-17 1981-04-17 Time-axis compressing and expanding circuit

Country Status (1)

Country Link
JP (1) JPS57172511A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62139588A (ja) * 1985-12-13 1987-06-23 カシオ計算機株式会社 サンプリング電子楽器
JPH076506A (ja) * 1993-06-11 1995-01-10 Nec Corp Pcm音声記録再生装置
US5764428A (en) * 1992-04-08 1998-06-09 Sony Corporation Audio signal reproducing apparatus
JP2004527000A (ja) * 2001-04-13 2004-09-02 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション オーディオ信号の高品質タイムスケーリング及びピッチスケーリング

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134303A (en) * 1976-05-06 1977-11-10 Tadamutsu Hirata Device for processing audio pitch correcting signal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52134303A (en) * 1976-05-06 1977-11-10 Tadamutsu Hirata Device for processing audio pitch correcting signal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62139588A (ja) * 1985-12-13 1987-06-23 カシオ計算機株式会社 サンプリング電子楽器
US5764428A (en) * 1992-04-08 1998-06-09 Sony Corporation Audio signal reproducing apparatus
JPH076506A (ja) * 1993-06-11 1995-01-10 Nec Corp Pcm音声記録再生装置
JP2004527000A (ja) * 2001-04-13 2004-09-02 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション オーディオ信号の高品質タイムスケーリング及びピッチスケーリング

Also Published As

Publication number Publication date
JPH035597B2 (enrdf_load_stackoverflow) 1991-01-25

Similar Documents

Publication Publication Date Title
JPS5746306A (en) Aural signal muting circuit of magnetic recorder and reproducer
GB1584632A (en) Systems for reducing noise transients
KR860007660A (ko) 잡음 저감 회로
JPS57172511A (en) Time-axis compressing and expanding circuit
ES8604381A1 (es) Un sistema de reproduccion de sonido
JP3037002B2 (ja) 信号処理装置
JPS5526763A (en) Sound picture signal recording reproducer
JPS5675730A (en) Information recording and reproducing system
JPS5577043A (en) Sound signal reproducing circuit
JPS57190477A (en) Noise suppressing circuit
JPS5552505A (en) Audio reproducing circuit
JPS5528547A (en) Magnetic recorder/reproducer
JPS626586Y2 (enrdf_load_stackoverflow)
JPS5629816A (en) Magnetic recording and reproduction unit
JPS5668908A (en) Improving method for efficiency of regenerative amplifier of pcm audio processor
JPH0333982Y2 (enrdf_load_stackoverflow)
JPS576410A (en) Recording and reproducing device
SU430435A1 (ru) Устройство для воспроизведения частотно-модулированных сигналов
KR0132880B1 (ko) 오디오신호 기록 및 재생장치
JPS5755509A (en) Recorder and reproducer
JPS59180210U (ja) ノイズ低減回路
JPS5760505A (en) Magnetic recording and reproducing device
JPS55135346A (en) Signal detection system
JPS5966230A (ja) 雑音除去装置
JPS62128218A (ja) 信号圧縮装置