KR930014479A - VTR audio recording device and its formatting method - Google Patents
VTR audio recording device and its formatting method Download PDFInfo
- Publication number
- KR930014479A KR930014479A KR1019910023117A KR910023117A KR930014479A KR 930014479 A KR930014479 A KR 930014479A KR 1019910023117 A KR1019910023117 A KR 1019910023117A KR 910023117 A KR910023117 A KR 910023117A KR 930014479 A KR930014479 A KR 930014479A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- audio
- sif
- circuit
- frequency
- Prior art date
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
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction
- G11B20/10027—Improvement or modification of read or write signals analog processing for digital recording or reproduction adjusting the signal strength during recording or reproduction, e.g. variable gain amplifiers
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
-
- 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
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도의 (a),(b)는 이 발명에 따른 VTR의 오디오 레코딩 장치를 나타낸 것으로서, (a)는 레코딩루트를 나타낸 블록구성도이고, (b)는 재생루트를 나타낸 블록구성도.(A) and (b) of FIG. 1 show an audio recording apparatus of a VTR according to the present invention, (a) is a block diagram showing a recording route, and (b) is a block diagram showing a reproduction route.
제2도는 제1도의 세부구성의 일실시예를 나타낸 블록도.2 is a block diagram showing an embodiment of the detailed configuration of FIG.
제3도는 제2도에서 FM 검파회로와 주파수 천이부의 다른 실시도.3 is another embodiment of the FM detector and the frequency shifter in FIG.
제4도는 제2도에서 FM 검파회로와 주파수 천이부의 또다른 실시도.4 is another embodiment of the FM detector and the frequency shifter in FIG.
제5도는 제1도 (b)의 다른 실시예를 나타낸 블록도이다.5 is a block diagram showing another embodiment of FIG.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
10 : SIF 회로 10-1 : 필터회로10: SIF circuit 10-1: filter circuit
20,20A : FM 검파회로 30 : 디엠파시스회로20,20A: FM detection circuit 30: DM Emphasis circuit
40 : 주파수천이부 50 : 밴드패스필터회로40: frequency shift unit 50: band pass filter circuit
12,13 : 필터 14 : QPSK12,13: Filter 14: QPSK
21,22,21A,22A : FM 검파부 31,32 : 디엠파시스부21,22,21A, 22A: FM detector 31,32: DM Emphasis unit
33,34,36 : 라인앰프 35 : NICAM 디코더33,34,36: line amplifier 35: NICAM decoder
41,43 : 평형변조기 42,44,45 : 발진기41,43: Balance modulator 42,44,45: Oscillator
51,52 : 밴드패스필터 61 : 레코딩앰프51,52: Band pass filter 61: Recording amplifier
62 : 재생앰프 HD : 헤드62: Playback Amplifier HD: Head
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910023117A KR940000971B1 (en) | 1991-12-16 | 1991-12-16 | Audio recording apparatus and formating method of vtr |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910023117A KR940000971B1 (en) | 1991-12-16 | 1991-12-16 | Audio recording apparatus and formating method of vtr |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930014479A true KR930014479A (en) | 1993-07-23 |
KR940000971B1 KR940000971B1 (en) | 1994-02-07 |
Family
ID=19324904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019910023117A KR940000971B1 (en) | 1991-12-16 | 1991-12-16 | Audio recording apparatus and formating method of vtr |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR940000971B1 (en) |
-
1991
- 1991-12-16 KR KR1019910023117A patent/KR940000971B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR940000971B1 (en) | 1994-02-07 |
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G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19980124 Year of fee payment: 5 |
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