JPS6460106A - Digital audio reproducing device - Google Patents
Digital audio reproducing deviceInfo
- Publication number
- JPS6460106A JPS6460106A JP21673487A JP21673487A JPS6460106A JP S6460106 A JPS6460106 A JP S6460106A JP 21673487 A JP21673487 A JP 21673487A JP 21673487 A JP21673487 A JP 21673487A JP S6460106 A JPS6460106 A JP S6460106A
- Authority
- JP
- Japan
- Prior art keywords
- converting
- fold
- circuit
- sampling
- numbers
- 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
- 238000005070 sampling Methods 0.000 abstract 7
- 230000005236 sound signal Effects 0.000 abstract 1
Landscapes
- Analogue/Digital Conversion (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
PURPOSE:To attain an N-fold of over-sampling regardless of the converting time of a D/A converting circuit by parallelly connecting the D/A converting circuit in plural numbers to the N-fold of an over sampling digital filter and adding the plural numbers of D/A converting circuit outputs. CONSTITUTION:Since the two numbers of D/A converting circuits 3 and 4, for example, are parallelly connected to the N-fold of a sampling frequency N.Fs and sampling data are D/A converted at every other circuit, the sampling frequency of the D/A converting circuit for one circuit can be made N/2.Fs. Further, an audio signal, which is outputted by adding the signal of the parallel D/A converting outputs in two numbers, goes to be the N-fold of a sampling frequency signal. Thus, the N-fold of the over sampling can be executed without being limited by the converting time of the D/A converting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21673487A JPS6460106A (en) | 1987-08-31 | 1987-08-31 | Digital audio reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21673487A JPS6460106A (en) | 1987-08-31 | 1987-08-31 | Digital audio reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6460106A true JPS6460106A (en) | 1989-03-07 |
Family
ID=16693093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21673487A Pending JPS6460106A (en) | 1987-08-31 | 1987-08-31 | Digital audio reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6460106A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010109551A1 (en) * | 2009-03-27 | 2010-09-30 | パナソニック株式会社 | Filter circuit, transmission filter circuit, semiconductor integrated circuit, communication device, and method for adjusting timing of filter circuit |
-
1987
- 1987-08-31 JP JP21673487A patent/JPS6460106A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010109551A1 (en) * | 2009-03-27 | 2010-09-30 | パナソニック株式会社 | Filter circuit, transmission filter circuit, semiconductor integrated circuit, communication device, and method for adjusting timing of filter circuit |
| US8395442B2 (en) | 2009-03-27 | 2013-03-12 | Panasonic Corporation | Filter circuit, transmission filter circuit, semiconductor integrated circuit, communication apparatus, and timing adjustment method for filter circuit |
| US8564362B2 (en) | 2009-03-27 | 2013-10-22 | Panasonic Corporation | Filter circuit, semiconductor integrated circuit, communication apparatus, semiconductor device, and system |
| JP5358676B2 (en) * | 2009-03-27 | 2013-12-04 | パナソニック株式会社 | Filter circuit, transmission filter circuit, semiconductor integrated circuit, communication device, and timing adjustment method for filter circuit |
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