JPS6263799U - - Google Patents
Info
- Publication number
- JPS6263799U JPS6263799U JP15357785U JP15357785U JPS6263799U JP S6263799 U JPS6263799 U JP S6263799U JP 15357785 U JP15357785 U JP 15357785U JP 15357785 U JP15357785 U JP 15357785U JP S6263799 U JPS6263799 U JP S6263799U
- Authority
- JP
- Japan
- Prior art keywords
- digital code
- generates
- section
- memory circuit
- digital
- 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
- 238000010586 diagram Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は本考案要部の楽音発生器のブロツク図、
第３図は本考案の記憶部、および演算部の波形の
一例図、第４図は従来の電子楽器の構成を示すブ
ロツク図、第５図は従来の電子楽器要部のアドレ
スデータ発生部、第６図は従来の記憶部の波形、
および、その読出し波形の一例図である。
１１……アナログ―デジタル変換部（Ａ／Ｄ変
換部）、１２……鍵盤部、１３……記憶部、１４
……楽音発生器、１５……デジタル―アナログ変
換部（Ｄ／Ａ変換部）、１６……ローパスフイル
タ、１７……楽音出力部、２１……繰り返し始め
アドレスメモリ、２２……（第１の）アドレスカ
ウンタ、２３……（第２の）アドレスカウンタ、
２４……繰り返し終りアドレスメモリ、２５……
ノートクロツク発生部、２６……アドレスセレク
タ、２７……一致比較部、２８……補間係数発生
部、２９……（第１の）ラツチ、２１０……（第
２の）ラツチ、２１１……演算部。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Figure 2 is a block diagram of the musical tone generator, which is the main part of this invention.
FIG. 3 is a diagram showing an example of waveforms of the storage section and calculation section of the present invention, FIG. 4 is a block diagram showing the configuration of a conventional electronic musical instrument, and FIG. 5 is an address data generating section of the main part of a conventional electronic musical instrument. Figure 6 shows the waveform of the conventional storage section.
FIG. 3 is a diagram showing an example of the readout waveform. 11...Analog-digital conversion section (A/D conversion section), 12...Keyboard section, 13...Storage section, 14
...Music tone generator, 15...Digital-to-analog converter (D/A converter), 16...Low pass filter, 17...Musical tone output section, 21...Repeat start address memory, 22... (first ) address counter, 23... (second) address counter,
24... Repeat end address memory, 25...
Note clock generation section, 26...address selector, 27...coincidence comparison section, 28...interpolation coefficient generation section, 29...(first) latch, 210...(second) latch, 211...operation section .
Claims (1)
ードに変換するアナログ―デジタル変換部と、上
記デジタルコードを記憶する記憶回路を具え、そ
の記憶回路からデジタルコードを読出し、鍵盤の
打鍵などによる音階情報にしたがい、楽音を発生
させるとともに、上記、記憶部からデジタルコー
ドを繰り返し読出し、その繰り返し部で、補間演
算を行なう楽音発生器を具え、滑らかな楽音を発
生させることを特徴とする電子楽器。 An electronic musical instrument is equipped with an analog-to-digital converter that converts an analog signal into a digital code, and a memory circuit that stores the digital code, reads the digital code from the memory circuit, and generates musical tones according to scale information generated by keystrokes, etc. What is claimed is: 1. An electronic musical instrument comprising: a musical tone generator that generates a digital code, repeatedly reads the digital code from the storage section, and performs an interpolation operation in the repeating section, and generates a smooth musical tone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15357785U JPS6263799U (en) | 1985-10-09 | 1985-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15357785U JPS6263799U (en) | 1985-10-09 | 1985-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6263799U true JPS6263799U (en) | 1987-04-20 |
Family
ID=31072586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15357785U Pending JPS6263799U (en) | 1985-10-09 | 1985-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6263799U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59188697A (en) * | 1983-04-11 | 1984-10-26 | ヤマハ株式会社 | Musical sound generator |
| JPS6029793A (en) * | 1983-07-28 | 1985-02-15 | ヤマハ株式会社 | Musical tone forming apparatus |
-
1985
- 1985-10-09 JP JP15357785U patent/JPS6263799U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59188697A (en) * | 1983-04-11 | 1984-10-26 | ヤマハ株式会社 | Musical sound generator |
| JPS6029793A (en) * | 1983-07-28 | 1985-02-15 | ヤマハ株式会社 | Musical tone forming apparatus |
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