JPS57152743A - Sample number converting circuit - Google Patents
Sample number converting circuitInfo
- Publication number
- JPS57152743A JPS57152743A JP56041371A JP4137181A JPS57152743A JP S57152743 A JPS57152743 A JP S57152743A JP 56041371 A JP56041371 A JP 56041371A JP 4137181 A JP4137181 A JP 4137181A JP S57152743 A JPS57152743 A JP S57152743A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- samples
- output
- selecting
- value
- 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
Links
- 238000012952 Resampling Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
- H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Image Processing (AREA)
- Editing Of Facsimile Originals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Abstract
PURPOSE:To make the conversion of an optional sample number possible, by selecting and integrating one of numeric values M and -N and selecting one of them in accordance with the result and the magnitude of the value M and taking out required samples from a sequence consisting of M-number of samples when the sequence consisting of M-number of samples is converted to a sequence consisting of N-number of samples. CONSTITUTION:Binary numbers N and -M are applied to a selecting circuit 32, and an output B of the selecting circuit 32 and an output A of a register 34 to which the output of an adding circuit 33 is inputted are applied to an adding circuit K. Contents A of the register 34 and the value M are applied to a comparing circuit 35, and an output SG of the circuit 35 is applied to the selecting circuit 32 to select the value -M for A>=M and select the value N for A<M. The output SG of the comparing circuit 35 is applied to a sequence control circuit 36 to generate a strobe pulse ST, a signal SF which requests the next sample of a sequence S1 consisting of M-number of samples, and a resampling request signal SM for generating a sequences S0 consisting of N-number of samples from this sample. An example for M=5 and N=8 is shown in table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56041371A JPS57152743A (en) | 1981-03-17 | 1981-03-17 | Sample number converting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56041371A JPS57152743A (en) | 1981-03-17 | 1981-03-17 | Sample number converting circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57152743A true JPS57152743A (en) | 1982-09-21 |
| JPH026463B2 JPH026463B2 (en) | 1990-02-09 |
Family
ID=12606567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56041371A Granted JPS57152743A (en) | 1981-03-17 | 1981-03-17 | Sample number converting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57152743A (en) |
-
1981
- 1981-03-17 JP JP56041371A patent/JPS57152743A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH026463B2 (en) | 1990-02-09 |
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