JPS6339297U - - Google Patents
Info
- Publication number
- JPS6339297U JPS6339297U JP13278686U JP13278686U JPS6339297U JP S6339297 U JPS6339297 U JP S6339297U JP 13278686 U JP13278686 U JP 13278686U JP 13278686 U JP13278686 U JP 13278686U JP S6339297 U JPS6339297 U JP S6339297U
- Authority
- JP
- Japan
- Prior art keywords
- analog
- diaphragm
- envelope
- output
- envelope extraction
- 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
- 238000000605 extraction Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 1
Description
第1図はこの考案による電子ドラムの入力装置
を含む楽器の全体回路図、第2図は第1図におい
て採用されているエンベロープ抽出回路15の具
体的構成図、第3図はエンベロープ抽出回路15
におけるエンベロープデータを抽出する経過を示
すタイムチヤートの図、第4図1はピツクアツプ
11の出力であるアナログ信号の波形図、第4図
2はA/D変換器14の出力であるデイジタル信
号の波形図、第4図3はマイクロコンピユータ2
0がエンベロープ抽出回路15からデータを取り
込んで処理して行くタイミングを示す図、第4図
4はキーオン指令およびキーオフ指令のタイミン
グを示す図、第5図はエンベロープ抽出回路15
からのエンベロープデータに基づいて楽音発生装
置27から楽音が発生されるまでのマイクロコン
ピユータ20の処理を示すフローチヤートである
。
10……振動板、11……ピツクアツプ、13
……サンプリングホールド回路、14……A/D
変換器、15……エンベロープ抽出回路、16…
…ゲート、20……マイクロコンピユータ、27
……楽音発生装置。
FIG. 1 is an overall circuit diagram of a musical instrument including an electronic drum input device according to this invention, FIG. 2 is a specific configuration diagram of the envelope extraction circuit 15 adopted in FIG. 1, and FIG. 3 is a diagram of the envelope extraction circuit 15.
FIG. 4 1 is a waveform diagram of the analog signal output from the pickup 11, and FIG. 4 2 is a waveform diagram of the digital signal output from the A/D converter 14. Figure 4. Figure 3 shows the microcomputer 2.
4 is a diagram showing the timing of a key-on command and a key-off command, and FIG. 5 is a diagram showing the timing of taking in and processing data from the envelope extraction circuit 15.
3 is a flowchart showing the processing of the microcomputer 20 until the musical tone generating device 27 generates a musical tone based on envelope data from the musical tone generator 27. 10... Vibration plate, 11... Pick up, 13
...Sampling hold circuit, 14...A/D
Converter, 15...Envelope extraction circuit, 16...
...Gate, 20...Microcomputer, 27
...Music sound generator.
Claims (1)
して検出する検出手段と、 この検出手段で検出されたアナログ信号をデイ
ジタル信号に変換するアナログ/デイジタル変換
手段と、 このアナログ/デイジタル変換手段からの出力
に基づいてエンベロープデータを抽出するエンベ
ロープ抽出手段と、 このエンベロープ抽出手段の出力に基づいて少
くとも発音開始のトリガー信号及び音量、音色等
の制御データを得る処理手段と を備えていることを特徴とする電子ドラムの入力
装置。[Scope of Claim for Utility Model Registration] A diaphragm that is struck during a performance, a detection means that detects vibrations caused by the striking of the diaphragm as an analog signal, and a method that converts the analog signal detected by the detection means into a digital signal. analog/digital conversion means; envelope extraction means for extracting envelope data based on the output from the analog/digital conversion means; and at least a trigger signal for starting sound generation, volume, timbre, etc. based on the output of the envelope extraction means. An input device for an electronic drum, comprising processing means for obtaining control data.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986132786U JPH0755596Y2 (en) | 1986-09-01 | 1986-09-01 | Electronic percussion input device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986132786U JPH0755596Y2 (en) | 1986-09-01 | 1986-09-01 | Electronic percussion input device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6339297U true JPS6339297U (en) | 1988-03-14 |
JPH0755596Y2 JPH0755596Y2 (en) | 1995-12-20 |
Family
ID=31032497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986132786U Expired - Lifetime JPH0755596Y2 (en) | 1986-09-01 | 1986-09-01 | Electronic percussion input device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0755596Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0619480A (en) * | 1992-07-01 | 1994-01-28 | Yamaha Corp | Musical tone synthesizing device |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50142017A (en) * | 1974-04-30 | 1975-11-15 | ||
JPS5816693U (en) * | 1981-07-21 | 1983-02-01 | ヤマハ株式会社 | rhythm performance recording device |
JPS5830795A (en) * | 1981-08-17 | 1983-02-23 | 三洋電機株式会社 | Electronic musical instrument |
JPS5865496A (en) * | 1982-01-28 | 1983-04-19 | ヤマハ株式会社 | Digital data setting unit |
JPS5886697U (en) * | 1981-12-09 | 1983-06-11 | ヤマハ株式会社 | electronic musical instruments |
JPS5930952U (en) * | 1982-08-24 | 1984-02-25 | フジヤオ−デイオ株式会社 | tape recorder flywheel |
JPS59142599A (en) * | 1983-01-18 | 1984-08-15 | マチアスホ−ナ−・アクチエンゲゼルシヤフト | Electronic musical instrument |
JPS60207149A (en) * | 1984-03-30 | 1985-10-18 | Canon Inc | light receiving member |
JPS6199895U (en) * | 1984-12-03 | 1986-06-26 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5816693B2 (en) * | 1978-04-21 | 1983-04-01 | 松下電器産業株式会社 | electrode |
-
1986
- 1986-09-01 JP JP1986132786U patent/JPH0755596Y2/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50142017A (en) * | 1974-04-30 | 1975-11-15 | ||
JPS5816693U (en) * | 1981-07-21 | 1983-02-01 | ヤマハ株式会社 | rhythm performance recording device |
JPS5830795A (en) * | 1981-08-17 | 1983-02-23 | 三洋電機株式会社 | Electronic musical instrument |
JPS5886697U (en) * | 1981-12-09 | 1983-06-11 | ヤマハ株式会社 | electronic musical instruments |
JPS5865496A (en) * | 1982-01-28 | 1983-04-19 | ヤマハ株式会社 | Digital data setting unit |
JPS5930952U (en) * | 1982-08-24 | 1984-02-25 | フジヤオ−デイオ株式会社 | tape recorder flywheel |
JPS59142599A (en) * | 1983-01-18 | 1984-08-15 | マチアスホ−ナ−・アクチエンゲゼルシヤフト | Electronic musical instrument |
JPS60207149A (en) * | 1984-03-30 | 1985-10-18 | Canon Inc | light receiving member |
JPS6199895U (en) * | 1984-12-03 | 1986-06-26 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0619480A (en) * | 1992-07-01 | 1994-01-28 | Yamaha Corp | Musical tone synthesizing device |
Also Published As
Publication number | Publication date |
---|---|
JPH0755596Y2 (en) | 1995-12-20 |
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