|
|
|
|
本人非音乐专业人士,如文档中有误欢迎指正。
|
|
|
|
|
|
|
|
|
|
# 一、常见基础
|
|
|
|
|
## 1.1 简谱和音名(note)
|
|
|
|
|
<p align="left">
|
|
|
|
|
<img src="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/seven.png" width="300"/>
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
上图从左往右的黑键音名分别是:C#/Db,D#/Db,F#/Db,G#/Ab,A#/Bb
|
|
|
|
|
钢琴88键如下图,分为大字一组,大字组,小字组,小字一组,小字二组,小字三组,小字四组。分别对应音名的后缀是 1 2 3 4 5 6,例如小字一组(C大调)包含的键分别为: C4,C#4/Db4,D4,D#4/Eb4,E4,F4,F#4/Gb4,G4,G#4/Ab4,A4,A#4/Bb4,B4
|
|
|
|
|
钢琴八度音就是12345671八个音,最后一个音是高1。**遵循:全全半全全全半** 就会得到 1 2 3 4 5 6 7 (高)1 的音
|
|
|
|
|
|
|
|
|
|
<p align="left">
|
|
|
|
|
<img src="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/piano_88.png" />
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
## 1.2 十二大调
|
|
|
|
|
“#”表示升调
|
|
|
|
|
|
|
|
|
|
<p align="left">
|
|
|
|
|
<img src="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/up.png" />
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
“b”表示降调
|
|
|
|
|
|
|
|
|
|
<p align="left">
|
|
|
|
|
<img src="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/down.png" />
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
什么大调表示Do(简谱1) 这个音从哪个键开始,例如D大调,则用D这个键来表示 Do这个音。
|
|
|
|
|
下图是十二大调下简谱与音名的对应表。
|
|
|
|
|
|
|
|
|
|
<p align="left">
|
|
|
|
|
<img src="../../../docs/images/note_map.png" />
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
## 1.3 Tempo
|
|
|
|
|
Tempo 用于表示速度(Speed of the beat/pulse),一分钟里面有几拍(beats per mimute BPM)
|
|
|
|
|
|
|
|
|
|
<p align="left">
|
|
|
|
|
<img src="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/note_beat.png" width="450"/>
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
whole note --> 4 beats</br>
|
|
|
|
|
half note --> 2 beats</br>
|
|
|
|
|
quarter note --> 1 beat</br>
|
|
|
|
|
eighth note --> 1/2 beat</br>
|
|
|
|
|
sixteenth note --> 1/4 beat</br>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# 二、应用试验
|
|
|
|
|
## 2.1 从谱中获取 music scores
|
|
|
|
|
music scores 包含:note,note_dur,is_slur
|
|
|
|
|
|
|
|
|
|
<p align="left">
|
|
|
|
|
<img src="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/pu.png" width="600"/>
|
|
|
|
|
</p>
|
|
|
|
|
|
|
|
|
|
从左上角的谱信息 *bE* 可以得出该谱子是 **降E大调**,可以对应1.2小节十二大调简谱音名对照表根据 简谱获取对应的note
|
|
|
|
|
从左上角的谱信息 *quarter note* 可以得出该谱子的速度是 **一分钟95拍(beat)**,一拍的时长 = **60/95 = 0.631578s**
|
|
|
|
|
从左上角的谱信息 *4/4* 可以得出该谱子表示四分音符为一拍(分母的4),每小节有4拍(分子的4)
|
|
|
|
|
|
|
|
|
|
从该简谱上可以获取 music score 如下:
|
|
|
|
|
|
|
|
|
|
|text |phone |简谱(辅助)后面的点表示高八音 |note (从小字组开始算) |几拍(辅助) |note_dur |is_slur|
|
|
|
|
|
:-------------:| :------------:| :-----: | -----: | :-----: |:-----:| :-----: |
|
|
|
|
|
|小 |x |5 |A#3/Bb3 |半 |0.315789 |0 |
|
|
|
|
|
| |iao |5 |A#3/Bb3 |半 |0.315789 |0 |
|
|
|
|
|
|酒 |j |1. |D#4/Eb4 |半 |0.315789 |0 |
|
|
|
|
|
| |iu |1. |D#4/Eb4 |半 |0.315789 |0 |
|
|
|
|
|
|窝 |w |2. |F4 |半 |0.315789 |0 |
|
|
|
|
|
| |o |2. |F4 |半 |0.315789 |0 |
|
|
|
|
|
|长 |ch |3. |G4 |半 |0.315789 |0 |
|
|
|
|
|
| |ang |3. |G4 |半 |0.315789 |0 |
|
|
|
|
|
| |ang |1. |D#4/Eb4 |半 |0.315789 |1 |
|
|
|
|
|
|睫 |j |1. |D#4/Eb4 |半 |0.315789 |0 |
|
|
|
|
|
| |ie |1. |D#4/Eb4 |半 |0.315789 |0 |
|
|
|
|
|
| |ie |5 |A#3/Bb3 |半 |0.315789 |1 |
|
|
|
|
|
|毛 |m |5 |A#3/Bb3 |一 |0.631578 |0 |
|
|
|
|
|
| |ao |5 |A#3/Bb3 |一 |0.631578 |0 |
|
|
|
|
|
|是 |sh |5 |A#3/Bb3 |半 |0.315789 |0 |
|
|
|
|
|
| |i |5 |A#3/Bb3 |半 |0.315789 |0 |
|
|
|
|
|
|你 |n |3. |G4 |半 |0.315789 |0 |
|
|
|
|
|
| |i |3. |G4 |半 |0.315789 |0 |
|
|
|
|
|
|最 |z |2. |F4 |半 |0.315789 |0 |
|
|
|
|
|
| |ui |2. |F4 |半 |0.315789 |0 |
|
|
|
|
|
|美 |m |3. |G4 |半 |0.315789 |0 |
|
|
|
|
|
| |ei |3. |G4 |半 |0.315789 |0 |
|
|
|
|
|
|的 |d |2. |F4 |半 |0.315789 |0 |
|
|
|
|
|
| |e |2. |F4 |半 |0.315789 |0 |
|
|
|
|
|
|记 |j |7 |D4 |半 |0.315789 |0 |
|
|
|
|
|
| |i |7 |D4 |半 |0.315789 |0 |
|
|
|
|
|
|号 |h |5 |A#3/Bb3 |半 |0.315789 |0 |
|
|
|
|
|
| |ao |5 |A#3/Bb3 |半 |0.315789 |0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
## 2.2 一些实验
|
|
|
|
|
|
|
|
|
|
<div align = "center">
|
|
|
|
|
<table style="width:100%">
|
|
|
|
|
<thead>
|
|
|
|
|
<tr>
|
|
|
|
|
<th> 序号 </th>
|
|
|
|
|
<th width="500"> 说明 </th>
|
|
|
|
|
<th> 合成音频(diffsinger_opencpop + pwgan_opencpop) </th>
|
|
|
|
|
</tr>
|
|
|
|
|
</thead>
|
|
|
|
|
<tbody>
|
|
|
|
|
<tr>
|
|
|
|
|
<td > 1 </td>
|
|
|
|
|
<td > 原始 opencpop 标注的 notes,note_durs,is_slurs,升F大调,起始在小字组(第3组) </td>
|
|
|
|
|
<td align = "center">
|
|
|
|
|
<a href="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/test1.wav" rel="nofollow">
|
|
|
|
|
<img align="center" src="../../../docs/images/audio_icon.png" width="200 style="max-width: 100%;"></a><br>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td > 2 </td>
|
|
|
|
|
<td > 原始 opencpop 标注的 notes 和 is_slurs,note_durs 改变(从谱子获取) </td>
|
|
|
|
|
<td align = "center">
|
|
|
|
|
<a href="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/test2.wav" rel="nofollow">
|
|
|
|
|
<img align="center" src="../../../docs/images/audio_icon.png" width="200 style="max-width: 100%;"></a><br>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td > 3 </td>
|
|
|
|
|
<td > 原始 opencpop 标注的 notes 去掉 rest(毛字一拍),is_slurs 和 note_durs 改变(从谱子获取) </td>
|
|
|
|
|
<td align = "center">
|
|
|
|
|
<a href="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/test3.wav" rel="nofollow">
|
|
|
|
|
<img align="center" src="../../../docs/images/audio_icon.png" width="200 style="max-width: 100%;"></a><br>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td > 4 </td>
|
|
|
|
|
<td > 从谱子获取 notes,note durs,is_slurs,不含 rest(毛字一拍),起始在小字一组(第3组) </td>
|
|
|
|
|
<td align = "center">
|
|
|
|
|
<a href="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/test4.wav" rel="nofollow">
|
|
|
|
|
<img align="center" src="../../../docs/images/audio_icon.png" width="200 style="max-width: 100%;"></a><br>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td > 5 </td>
|
|
|
|
|
<td > 从谱子获取 notes,note durs,is_slurs,加上 rest (毛字半拍,rest半拍),起始在小字一组(第3组)</td>
|
|
|
|
|
<td align = "center">
|
|
|
|
|
<a href="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/test5.wav" rel="nofollow">
|
|
|
|
|
<img align="center" src="../../../docs/images/audio_icon.png" width="200 style="max-width: 100%;"></a><br>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td > 6 </td>
|
|
|
|
|
<td > 从谱子获取 notes, is_slurs,包含 rest,note_durs 从原始标注获取,起始在小字一组(第3组) </td>
|
|
|
|
|
<td align = "center">
|
|
|
|
|
<a href="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/test6.wav" rel="nofollow">
|
|
|
|
|
<img align="center" src="../../../docs/images/audio_icon.png" width="200 style="max-width: 100%;"></a><br>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td > 7 </td>
|
|
|
|
|
<td > 从谱子获取 notes,note durs,is_slurs,不含 rest(毛字一拍),起始在小字一组(第4组) </td>
|
|
|
|
|
<td align = "center">
|
|
|
|
|
<a href="https://paddlespeech.bj.bcebos.com/t2s/svs/svs_music_scores/test7.wav" rel="nofollow">
|
|
|
|
|
<img align="center" src="../../../docs/images/audio_icon.png" width="200 style="max-width: 100%;"></a><br>
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
|
|
|
|
|
</tbody>
|
|
|
|
|
</table>
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
上述实验表明通过该方法来提取 music score 是可行的,但是在应用中可以**灵活地在歌词中加"AP"(用来表示吸气声)和"SP"(用来表示停顿声)**,对应的在 **note 上加 rest**,会使得整体的歌声合成更自然。
|
|
|
|
|
除此之外,还要考虑哪一个大调并且以哪一组为起始**得到的 note 在训练数据集中出现过**,如若推理时传入训练数据中没有见过的 note, 合成出来的音频可能不是我们期待的音调。
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# 三、其他
|
|
|
|
|
## 3.1 读取midi
|
|
|
|
|
|
|
|
|
|
```python
|
|
|
|
|
import mido
|
|
|
|
|
mid = mido.MidiFile('2093.midi')
|
|
|
|
|
```
|