SE8005083L - Anordning for inspelning av audiosignaler pa ett magnetmedium - Google Patents

Anordning for inspelning av audiosignaler pa ett magnetmedium

Info

Publication number
SE8005083L
SE8005083L SE8005083A SE8005083A SE8005083L SE 8005083 L SE8005083 L SE 8005083L SE 8005083 A SE8005083 A SE 8005083A SE 8005083 A SE8005083 A SE 8005083A SE 8005083 L SE8005083 L SE 8005083L
Authority
SE
Sweden
Prior art keywords
record
magnetic medium
audio signals
recording audio
bias
Prior art date
Application number
SE8005083A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Inventor
K J Gundry
Original Assignee
Dolby Lab Licensing Corp
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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of SE8005083L publication Critical patent/SE8005083L/

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Electronic Switches (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
SE8005083A 1979-07-13 1980-07-10 Anordning for inspelning av audiosignaler pa ett magnetmedium SE8005083L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/057,473 US4263624A (en) 1978-12-12 1979-07-13 Analog recording on magnetic media

Publications (1)

Publication Number Publication Date
SE8005083L true SE8005083L (sv) 1981-01-14

Family

ID=22010764

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8005083A SE8005083L (sv) 1979-07-13 1980-07-10 Anordning for inspelning av audiosignaler pa ett magnetmedium

Country Status (13)

Country Link
US (1) US4263624A (de)
JP (1) JPS5613504A (de)
AT (1) AT372537B (de)
BE (1) BE884293R (de)
CA (1) CA1131356A (de)
DE (1) DE3025627A1 (de)
DK (1) DK283980A (de)
FR (1) FR2464530A1 (de)
GB (1) GB2054245B (de)
IT (1) IT1132526B (de)
NL (1) NL8003480A (de)
NO (1) NO802105L (de)
SE (1) SE8005083L (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55158715A (en) * 1979-05-29 1980-12-10 Sony Corp Gain control circuit
US4353100A (en) * 1979-08-31 1982-10-05 Teac Corporation Magnetic recording system with signal-controlled bias and equalization
JPS5791320U (de) * 1980-11-26 1982-06-05
US4454548A (en) * 1981-08-20 1984-06-12 Bang And Olufsen A/S Bias control method and apparatus for magnetic recording
JPS5836031A (ja) * 1981-08-28 1983-03-02 Hitachi Ltd 雑音低減装置
JPS58114308A (ja) * 1981-12-26 1983-07-07 Toshiba Corp テ−プレコ−ダ
US4615037A (en) * 1985-01-29 1986-09-30 Ampex Corporation Phase scatter detection and reduction circuit and method
JPH01237913A (ja) * 1987-10-15 1989-09-22 Personics Corp 磁気記録装置のバイアス制御
US4972275A (en) * 1989-02-22 1990-11-20 Ford Motor Company Wideband radio-frequency broadcast recorder and radio testing system
US6091562A (en) * 1993-08-03 2000-07-18 Sony Corporation Digital magnetic reproducing apparatus and digital magnetic recording/reproducing apparatus employing detection of second harmonic distortion and signal to noise ratio
RU2107952C1 (ru) * 1996-03-15 1998-03-27 Александр Васильевич Пономарев Устройство магнитной записи аналоговых сигналов
WO1997034294A1 (fr) * 1996-03-15 1997-09-18 Alexandr Vasilievich Ponomarev Circuit electrique de magnetophone, dispositif d'ecriture magnetique de signaux analogiques, dispositif de transformation de valeurs non electriques en signaux electriques, et appareil de restitution des sons dans le circuit electrique du magnetophone
KR100219613B1 (ko) * 1996-11-09 1999-10-01 윤종용 오디오 기록 바이어스 제어장치
TWI557731B (zh) * 2015-04-29 2016-11-11 Analog record
TWI587296B (zh) 2015-05-01 2017-06-11 Comparable albums with different materials

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2628287A (en) * 1951-02-16 1953-02-10 Nathan M Haynes Magnetic recording apparatus
US2791640A (en) * 1953-11-27 1957-05-07 Rca Corp Magnetic sound recording
US3300590A (en) * 1963-01-03 1967-01-24 Cronin Daniel Magnetic tape signal transfer compensation system
US3757254A (en) * 1970-06-05 1973-09-04 Victor Co Ltd N system noise reduction system and apparatus using a compression and expansio
JPS5319923B1 (de) * 1970-12-19 1978-06-23
JPS5648883B1 (de) * 1971-07-24 1981-11-18
BE793740A (fr) * 1972-01-08 1973-05-02 Akai Electric Systeme d'enregistrement magnetique
US4011585A (en) * 1974-07-12 1977-03-08 Pioneer Electronic Corporation Magnetic recording reproducing system
DE2855259A1 (de) * 1977-12-27 1979-07-05 Dolby Lab Licensing Corp Vorrichtung und system zur aufzeichnung von tonfrequenzsignalen auf einem magnetischen aufzeichnungstraeger

Also Published As

Publication number Publication date
CA1131356A (en) 1982-09-07
NO802105L (no) 1981-01-14
DK283980A (da) 1981-01-14
US4263624A (en) 1981-04-21
ATA348180A (de) 1983-02-15
FR2464530A1 (fr) 1981-03-06
JPS5613504A (en) 1981-02-09
NL8003480A (nl) 1981-01-15
GB2054245B (en) 1983-03-16
DE3025627A1 (de) 1981-02-05
GB2054245A (en) 1981-02-11
IT1132526B (it) 1986-07-02
BE884293R (fr) 1980-11-03
IT8023393A0 (it) 1980-07-11
AT372537B (de) 1983-10-25

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