JPS5774809A - Voice signal processing device - Google Patents
Voice signal processing deviceInfo
- Publication number
- JPS5774809A JPS5774809A JP55149531A JP14953180A JPS5774809A JP S5774809 A JPS5774809 A JP S5774809A JP 55149531 A JP55149531 A JP 55149531A JP 14953180 A JP14953180 A JP 14953180A JP S5774809 A JPS5774809 A JP S5774809A
- Authority
- JP
- Japan
- Prior art keywords
- buffers
- converted
- voice signal
- pitch
- sound
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/005—Reproducing at a different information rate from the information rate of recording
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Abstract
PURPOSE:To obtain a synthesized sound being almost same as its original sound, by dividing a voice signal to a time length segment being almost equal to integer times of a basic period, and procesing it, when a voice signal recorded in a recording medium such as a magnetic tape, etc. is reproduced at a speed which is different from that of a recording time. CONSTITUTION:A reproducing signal from a tape recorder is inputted from a terminal 1, is A/D converted 2 and is stored in buffers 3, 4. The buffers 3, 4 are constituted of a shift register or an RAM, are read out alternately through a changeover switch 5, and after that, are D/A converted 6 and are outputted from a terminal 7. On the other hand, the output which has been A/D converted 2 is supplied to a pitch extractor 8, and the extracted pitch synchronization is supplied to a buffer controller 9. The controller 9 controls not only write-in and read-out of the buffers 3, 4 but also a clock, and changes over the switch 5, in accordance with the extracted synchronization. According to such a constitution, the pitch is arrayed repeatedly in case of a low speed reproduction and is arrayed by being thinned out in case of a high speed reproduction, and a reproducing sound being almost same as its original sound is obtained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55149531A JPS5774809A (en) | 1980-10-24 | 1980-10-24 | Voice signal processing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55149531A JPS5774809A (en) | 1980-10-24 | 1980-10-24 | Voice signal processing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5774809A true JPS5774809A (en) | 1982-05-11 |
Family
ID=15477167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55149531A Pending JPS5774809A (en) | 1980-10-24 | 1980-10-24 | Voice signal processing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5774809A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2543724A1 (en) * | 1983-03-30 | 1984-10-05 | Electricite De France | Method and device for recorded audio signal processing |
JPS63181000A (en) * | 1987-01-21 | 1988-07-26 | シャープ株式会社 | Time base converter for voice signal |
JPS63254000A (en) * | 1987-04-10 | 1988-10-20 | 三洋電機株式会社 | Voice recorder/reproducer |
JPS6465599A (en) * | 1987-09-05 | 1989-03-10 | Akihiro Fujimura | Decelerated reproduction tape recorder for writing |
GB2305830B (en) * | 1995-09-30 | 1999-09-22 | Ibm | Voice processing system and method |
-
1980
- 1980-10-24 JP JP55149531A patent/JPS5774809A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2543724A1 (en) * | 1983-03-30 | 1984-10-05 | Electricite De France | Method and device for recorded audio signal processing |
JPS63181000A (en) * | 1987-01-21 | 1988-07-26 | シャープ株式会社 | Time base converter for voice signal |
JPS63254000A (en) * | 1987-04-10 | 1988-10-20 | 三洋電機株式会社 | Voice recorder/reproducer |
JPS6465599A (en) * | 1987-09-05 | 1989-03-10 | Akihiro Fujimura | Decelerated reproduction tape recorder for writing |
GB2305830B (en) * | 1995-09-30 | 1999-09-22 | Ibm | Voice processing system and method |
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