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cse-251b-melody-voice-vae's Introduction

CSE-251B-Melody-Voice-VAE

To learn the representation of polyphonic music

model文件夹下包含了模型的核心文件,不过目前这个模型存在一系列小问题,同时这个模型是没有dynamic padding的,我们后期要修正

recon_demo 和 result下保存了一些结果和可视化的组件,大部分只要由@Ke来读取和运行就可以了

loader文件夹下保存了处理数据,分层旋律的一些代码,这个是没有dynamic padding的,我们后期要修正

merge和midi_decode是负责把输出的monophonic整合成polyphonic同时输出为可以听的midi

我们接下来主要要修改的地方有:

  1. model文件夹下的模型文件,加入dynamic padding,修正一些小错误
  2. 修改训练和测试代码,加入dynamic padding,同时优化一些超参
  3. 希望能够处理2小节的音乐,而不是1小节的,从目前来看一小节的旋律插值效果不是很酷
  4. 对比pianotree,这个基本上由@Ke来运行,代码和模型都已经有了
  5. loss等图的输出

关于四种数据的说明:训练/验证/测试数据大概比例为 29000:3500:3500 (最后决定不用overlap)

  1. fix:定长补足10小节的数据,大小为 [N, 320]
  2. dynamic: 不定长减少冗余,大小为 [N, 不定长]
  3. dynamic_sub: 不定长+子图划分,划分依据是每个小节的最高最低音
  4. dynamic_sub_pr: 不定长+子图划分,划分依据是固定的 [24, 48, 60, 108]

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