JPH0425628B2 - - Google Patents
Info
- Publication number
- JPH0425628B2 JPH0425628B2 JP59076474A JP7647484A JPH0425628B2 JP H0425628 B2 JPH0425628 B2 JP H0425628B2 JP 59076474 A JP59076474 A JP 59076474A JP 7647484 A JP7647484 A JP 7647484A JP H0425628 B2 JPH0425628 B2 JP H0425628B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- signal
- audio signal
- modulation means
- frequency modulation
- 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.)
- Expired - Lifetime
Links
- 230000005236 sound signal Effects 0.000 claims description 72
- 230000006866 deterioration Effects 0.000 description 13
- 239000011159 matrix material Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000969 carrier Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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
- G11B20/02—Analogue recording or reproducing
- G11B20/06—Angle-modulation recording or reproducing
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59076474A JPS60223005A (ja) | 1984-04-18 | 1984-04-18 | ビデオテープレコーダ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59076474A JPS60223005A (ja) | 1984-04-18 | 1984-04-18 | ビデオテープレコーダ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60223005A JPS60223005A (ja) | 1985-11-07 |
JPH0425628B2 true JPH0425628B2 ( ) | 1992-05-01 |
Family
ID=13606174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59076474A Granted JPS60223005A (ja) | 1984-04-18 | 1984-04-18 | ビデオテープレコーダ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60223005A ( ) |
-
1984
- 1984-04-18 JP JP59076474A patent/JPS60223005A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60223005A (ja) | 1985-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |