JPS5571314A - Multiplex constitution system of digital filter - Google Patents
Multiplex constitution system of digital filterInfo
- Publication number
- JPS5571314A JPS5571314A JP14411978A JP14411978A JPS5571314A JP S5571314 A JPS5571314 A JP S5571314A JP 14411978 A JP14411978 A JP 14411978A JP 14411978 A JP14411978 A JP 14411978A JP S5571314 A JPS5571314 A JP S5571314A
- Authority
- JP
- Japan
- Prior art keywords
- signals
- output
- digital filter
- equipments
- register
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Filters That Use Time-Delay Elements (AREA)
Abstract
PURPOSE:To simplify a timing circuit by equalizing the orders and the timings in respect to address signals of a ROM, where coefficients are stored, gate control signals of registers and delay equipments, and start signals of a multiplier. CONSTITUTION:Register 7 and delay equipments 81-84 constitute the first circular digital filter, and register 12 and delay equipments 131-134 constitute the second circular digital filter. By output signals of binary counter 4 which is operated synchronously with signals applied to input terminal 2, the register and delay equipments of the first or the second circular digital filter are designated successively to output digital signals successively. This output is supplied to multiplier 9 and is multiplied by a coefficient stored in ROM 6, and after that, the output is added to the signal from register 1, and the result is outputted from output terminal 15.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14411978A JPS5571314A (en) | 1978-11-24 | 1978-11-24 | Multiplex constitution system of digital filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14411978A JPS5571314A (en) | 1978-11-24 | 1978-11-24 | Multiplex constitution system of digital filter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5571314A true JPS5571314A (en) | 1980-05-29 |
Family
ID=15354626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14411978A Pending JPS5571314A (en) | 1978-11-24 | 1978-11-24 | Multiplex constitution system of digital filter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5571314A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61196473A (en) * | 1985-02-25 | 1986-08-30 | Sharp Corp | Pcm system signal reproducing device |
JPH01296709A (en) * | 1988-05-24 | 1989-11-30 | Sony Corp | Digital filter |
-
1978
- 1978-11-24 JP JP14411978A patent/JPS5571314A/en active Pending
Non-Patent Citations (1)
Title |
---|
IEEE TRANSACTIONS ON ACOUSTICS,SPEECH AND SIGNAL PROCESSING=1974 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61196473A (en) * | 1985-02-25 | 1986-08-30 | Sharp Corp | Pcm system signal reproducing device |
JPH01296709A (en) * | 1988-05-24 | 1989-11-30 | Sony Corp | Digital filter |
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