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ReconVAT

This repository is for the paper ReconVAT: A Semi-Supervised Automatic Music Transcription Framework Towards Real-World Applications.

Demo page is available at: https://kinwaicheuk.github.io/ReconVAT/

Supplementary Materials: TODO

Requirement

You can install the following libraries at once via pip install -r requirements.txt.

Using pretrained models

For your convenience, we have provided 3 example audio clips for you to try our models out. But to transcribe your own music, you need to first downsample them to 16kHz and save them as Flac format. Then simply put your audio clips in the path Application/Input, then run the follow code:

python transcribe_files.py with model_type=<arg> device=<arg>
  • model_type: Pick the model to transcribe your music. ReconVAT or baseline_Multi_Inst. Default is ReconVAT.
  • device: the device to be trained on. Either cpu or cuda:0. Default is cuda:0

You might also need to install ffmpeg in order to do audio downsampling. On macOS:

brew install ffmpeg

On Linux:

Apt-get install ffmpeg

Training from scratch

Step1: Downloading Dataset

MAPS dataset (as labelled dataset in our experiments): download

MAESTRO (we use v2.0.0 as our unlabelled dataset in our experiments): download

MusicNet dataset (for training strings and woodwinds): download

After downloading these dataset, unzip them to their respective folders MAPS, MAESTRO, and MusicNet.

Step2: Preprocessing

Our model takes 16kHz audio as the input, therefore we need to downsample all the audio clips first. Our model also takes tsv files as the labels, so we also need to convert midi files into tsv files.

These preprocessing functions can be found in the jupyter notebook named as Preprocessing.ipynb.

When the dataset is ready, the PyTorch Dataset class should be able toload these datasets without errors.

Step3: Training the model

The python script can be run using using the sacred syntax with.

Unet_VAT mode:

python train_UNet_VAT.py with train_on=<arg> small=<arg> VAT=<arg> reconstruction=<arg> device=<arg>

Unet_VAT with the onset module:

python train_UNet_Onset_VAT.py with train_on=<arg> small=<arg> VAT=<arg> reconstruction=<arg> device=<arg>

Baseline model Multi-instrument:

python train_baseline_Multi_Inst.py with train_on=<arg> small=<arg> device=<arg>

Onsets and Frames: (VAT can be activated in this baseline model, but according to our experiments, VAT does not work with this baseline model)

python train_baseline_onset_frame_VAT.py with train_on=<arg> small=<arg> device=<arg>

The following two baseline model requires a huge amount of GPU memory

Thickstun:

python train_baseline_Thickstun.py with train_on=<arg> small=<arg> device=<arg>

Prestack:

python train_baseline_Prestack.py with train_on=<arg> small=<arg> device=<arg>
  • train_on: the dataset to be trained on. Either MAPS or String or Wind
  • small: Activate the small version of MAPS. True or False
  • supersmall: Activate the oneshot version of MAPS. The small argument has to be True in order for this argument to be useful
  • reconstruction: to include the reconstruction loss or not. Either True or False
  • VAT: VAT module, True or False
  • device: the device to be trained on. Either cpu or cuda:0

Evaluating the model and exporting the midi files

python evaluate.py with weight_file=<arg> reconstruction=<arg> device=<arg>
  • weight_file: The weight files should be located inside the trained_weight folder
  • dataset: which dataset to evaluate on, can be either MAPS or MAESTRO or MusicNet.
  • device: the device to be trained on. Either cpu or cuda:0

The transcripted midi files, accuracy reports are saved inside the results folder.

Other notes

For Mac users, you need to add the following code in helper_functions.py

import matplotlib
matplotlib.use('TkAgg')