JPH049999U - - Google Patents
Info
- Publication number
- JPH049999U JPH049999U JP4866390U JP4866390U JPH049999U JP H049999 U JPH049999 U JP H049999U JP 4866390 U JP4866390 U JP 4866390U JP 4866390 U JP4866390 U JP 4866390U JP H049999 U JPH049999 U JP H049999U
- Authority
- JP
- Japan
- Prior art keywords
- window function
- digital
- memory
- interpolation filter
- data signal
- 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
- 230000006870 function Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は、この考案によるデジタルサブハーモ
ニツクシンセサイザの一実施例を示す構成図、第
２図は、第１図の実施例の動作を説明するための
各部信号波形を示す図である。
１……デジタル補間フイルタ、２……メモリ、
３，４……窓関数重み付け処理回路、５，６，７
……増幅器、８……加算器。
FIG. 1 is a block diagram showing an embodiment of a digital subharmonic synthesizer according to this invention, and FIG. 2 is a diagram showing signal waveforms of various parts for explaining the operation of the embodiment of FIG. 1. 1...Digital interpolation filter, 2...Memory,
3, 4... Window function weighting processing circuit, 5, 6, 7
...Amplifier, 8...Adder.
Claims (1)
るデジタル補間フイルタと、 前記デジタル補間フイルタの出力を書き込み、
記憶するメモリと、 前記メモリへの書き込み周期の２ｎ倍周期で前
記記憶データを読み出し、予め定めた窓関数にて
窓関数重み付け処理する窓関数重み付け処理手段
と、 前記入力デジタルデータ信号と前記窓関数重み
付け手段の出力データとを加算する加算手段と、
を備えて成ることを特徴とするデジタルサブハー
モニツクシンセサイザ。[Claims for Utility Model Registration] A digital interpolation filter that performs digital interpolation processing on an input digital data signal; and writing the output of the digital interpolation filter;
a memory for storing; a window function weighting means for reading the stored data at a cycle 2n times the write cycle to the memory and performing window function weighting processing using a predetermined window function; and the input digital data signal and the window function. addition means for adding the output data of the weighting means;
A digital subharmonic synthesizer characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4866390U JP2534900Y2 (en) | 1990-05-11 | 1990-05-11 | Digital subharmonic synthesizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4866390U JP2534900Y2 (en) | 1990-05-11 | 1990-05-11 | Digital subharmonic synthesizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH049999U true JPH049999U (en) | 1992-01-28 |
| JP2534900Y2 JP2534900Y2 (en) | 1997-05-07 |
Family
ID=31565678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4866390U Expired - Lifetime JP2534900Y2 (en) | 1990-05-11 | 1990-05-11 | Digital subharmonic synthesizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2534900Y2 (en) |
-
1990
- 1990-05-11 JP JP4866390U patent/JP2534900Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2534900Y2 (en) | 1997-05-07 |
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