JPH043496U - - Google Patents
Info
- Publication number
- JPH043496U JPH043496U JP1990043395U JP4339590U JPH043496U JP H043496 U JPH043496 U JP H043496U JP 1990043395 U JP1990043395 U JP 1990043395U JP 4339590 U JP4339590 U JP 4339590U JP H043496 U JPH043496 U JP H043496U
- Authority
- JP
- Japan
- Prior art keywords
- reproduction
- audio
- reproduction speed
- music
- changing
- 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 12
- 241001342895 Chorus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- HAORKNGNJCEJBX-UHFFFAOYSA-N cyprodinil Chemical compound N=1C(C)=CC(C2CC2)=NC=1NC1=CC=CC=C1 HAORKNGNJCEJBX-UHFFFAOYSA-N 0.000 description 1
- 238000013075 data extraction Methods 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Description
第１図は、本考案による１実施例の全体構成図
、第２図は、ＣＤプレーヤ部のブロツク図、第３
図は、ＣＤ操作部の詳細図、第４図は、ＣＤプレ
ーヤのＣＬＶサーボとクロツクの説明図、第５図
ａは、ＰＬＬの基本回路構成図、第５図ｂは、本
実施例のＣＬＶサーボのブロツク図、第６図は、
ＣＤの記録・再生信号の周波数対応図、第７図は
、電子鍵盤楽器部のブロツク図、第８図は、楽器
操作部の詳細図、第９図は、ピツチチエンジヤの
ブロツク図、第１０図は、ピツチチエンジヤのア
ドレス信号と振幅データを示す図である。
１００……ＣＤプレーヤ部、１０１……ＣＤ、
１０２……スピンドルモータ、１０３……光ピツ
クアツプ、１０４……フオーカスサーボ、１０５
……トラツキングサーボ、１０６……送りモータ
、１０７……送りサーボ、１０８……ＣＬＶサー
ボ回路、１０９……分周器、１１０……データ抽
出回路、１１１……フレーム同期回路、１１２…
…ＥＦＭ復調回路、１１３……信号処理回路、１
１４……ＲＡＭ、１１５……ＣＤ操作部、１１６
……システム制御回路、１１８……クロツク発生
回路、１１８ａ，１１８ｂ，１１８ｃ……分周器
、１１８ｏ……発振器、１１９……Ｌ／Ｒ分離回
路、１２０，１２１……ピツチチエンジヤ、１２
２，１２３……Ｄ／Ａ変換器、１２４，１２５…
…ＬＰＦ、１２６……位相比較器、１２７……Ｖ
ＣＯ、１２８……クロツク抽出用ＰＬＬ、１２９
……モータ駆動用増幅器、１３０……ＣＤ操作ス
イツチ群、１３１……テンポ制御ボタン、１３２
，１３３……メモリ、１３４，１３５……乗算器
、１３６……加算器、１３７……ピツチチエンジ
制御部、２００……電子鍵盤楽器部、２０１……
制御部、２０２……楽器操作部、２０２ａ……ミ
キサーつまみ、２０２ｂ……鍵盤、２０２ｃ……
音色／エフエクタ選択スイツチ、２０３……キー
コード変換部、２０４……周波数情報変換部、２
０５……累算部、２０６……波形作成部、２０７
……Ｄ／Ａ変換器、２０８……ＬＰＦ、２０９…
…コーラス効果回路、３００，３０３……ミキサ
ー、３０１，３０４……増幅器、３０２，３０５
……スピーカ。
Fig. 1 is an overall configuration diagram of one embodiment of the present invention, Fig. 2 is a block diagram of a CD player section, and Fig. 3 is a block diagram of an embodiment of the present invention.
4 is an explanatory diagram of the CLV servo and clock of the CD player. FIG. 5 a is a basic circuit configuration diagram of the PLL. FIG. 5 b is a detailed diagram of the CLV of this embodiment. The servo block diagram, Figure 6, is
Figure 7 is a diagram of the frequency correspondence of CD recording and playback signals. Figure 7 is a block diagram of the electronic keyboard instrument section. Figure 8 is a detailed diagram of the instrument operating section. Figure 9 is a block diagram of the pitch changer. , is a diagram showing address signals and amplitude data of a pitch changer. 100...CD player section, 101...CD,
102... Spindle motor, 103... Optical pickup, 104... Focus servo, 105
... Tracking servo, 106 ... Feed motor, 107 ... Feed servo, 108 ... CLV servo circuit, 109 ... Frequency divider, 110 ... Data extraction circuit, 111 ... Frame synchronization circuit, 112 ...
...EFM demodulation circuit, 113...Signal processing circuit, 1
14...RAM, 115...CD operation section, 116
...System control circuit, 118 ... Clock generation circuit, 118a, 118b, 118c ... Frequency divider, 118o ... Oscillator, 119 ... L/R separation circuit, 120, 121 ... Pitch switch, 12
2,123...D/A converter, 124,125...
...LPF, 126...Phase comparator, 127...V
CO, 128... PLL for clock extraction, 129
... Motor drive amplifier, 130 ... CD operation switch group, 131 ... Tempo control button, 132
, 133... Memory, 134, 135... Multiplier, 136... Adder, 137... Pitch change control section, 200... Electronic keyboard instrument section, 201...
Control unit, 202... Musical instrument operation unit, 202a... Mixer knob, 202b... Keyboard, 202c...
Tone/effector selection switch, 203...Key code converter, 204...Frequency information converter, 2
05... Accumulation section, 206... Waveform creation section, 207
...D/A converter, 208...LPF, 209...
...Chorus effect circuit, 300,303...Mixer, 301,304...Amplifier, 302,305
...Speaker.
Claims (1)
再生手段と、 前記オーデイオによる楽曲の再生に合わせて演
奏者に演奏操作を行わせる演奏操作手段と、 該演奏操作手段からの演奏情報に基づいて楽音
を発音する楽音発音手段と、 前記オーデイオ再生手段の再生スピードを変更
する再生スピード変更手段と、 前記再生スピードが前記再生スピード変更手段
により変更された場合に、前記再生スピードの変
更に伴つて生じた前記楽曲のピツチ変化を打ち消
すように、変化した前記楽曲のピツチを再び変換
して元のピツチに戻す楽曲ピツチ変換手段と、 を有することを特徴とする電子楽器。 ２ 前記オーデイオ再生手段は再生スピードがク
ロツク発振器に基づくフエーズロツクドループに
より同期制御されるコンパクトデイスクプレーヤ
またはデジタルオーデイオテープレコーダであり
、 前記再生スピード変更手段は前記フエーズロツ
クドループに用いるクロツク発振器と周波数を変
更することにより前記再生スピードを変更する、 ことを特徴とする請求項１記載の電子楽器。 ３ 前記再生スピードを変更する比率は、半音程
を単位とした比率に相当する、 ことを特徴とする請求項１記載の電子楽器。[Scope of Claim for Utility Model Registration] 1. Audio reproducing means for reproducing music using audio; performance operating means for causing a performer to perform performance operations in accordance with the reproduction of the music using the audio; and performance information from the performance operation means. a musical tone generating means for generating a musical tone based on the audio reproduction means; a reproduction speed changing means for changing the reproduction speed of the audio reproduction means; and a reproduction speed changing means for changing the reproduction speed when the reproduction speed is changed by the reproduction speed changing means. An electronic musical instrument comprising: music pitch converting means for converting the changed pitch of the music again to return it to the original pitch so as to cancel out the accompanying pitch change of the music. 2. The audio reproduction means is a compact disk player or a digital audio tape recorder whose reproduction speed is synchronously controlled by a phase-locked loop based on a clock oscillator, and the reproduction speed changing means is a clock oscillator used in the phase-locked loop and a frequency control. The electronic musical instrument according to claim 1, wherein the playback speed is changed by changing the playback speed. 3. The electronic musical instrument according to claim 1, wherein the ratio at which the playback speed is changed corresponds to a ratio in units of semitones.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990043395U JPH043496U (en) | 1990-04-23 | 1990-04-23 | |
| US07/686,030 US5159141A (en) | 1990-04-23 | 1991-04-16 | Apparatus for controlling reproduction states of audio signals recorded in recording medium and generation states of musical sound signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990043395U JPH043496U (en) | 1990-04-23 | 1990-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH043496U true JPH043496U (en) | 1992-01-13 |
Family
ID=31555774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990043395U Pending JPH043496U (en) | 1990-04-23 | 1990-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH043496U (en) |
-
1990
- 1990-04-23 JP JP1990043395U patent/JPH043496U/ja active Pending
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