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License: MIT Python Tensorflow

Neural Audio Fingerprint for High-specific Audio Retrieval based on Contrastive Learning

       

About

Requirements

Minimum:

  • NVIDIA GPU with CUDA 10+
  • 25 GB of free SSD space for mini dataset experiments
More info

System requirements to reproduce the ICASSP result

  • CPU with 8+ threads
  • NVIDIA GPU with 11+ GB V-memory
  • SSD free space 500+ GB for full-scale experiment
  • tar extraction temporarily requires additional free space 440 GB.

Recommended batch-size for GPU

Device Recommended BSZ
1080ti, 2080ti (11GB), Titan X, Titan V (12GB), AWS/GCP V100(16 GB) 320
Quadro RTX 6000 (24 GB), 3090 (24GB) 640
V100v2 (32GB), AWS/GCP A100 (40 GB) 1280
TPU 5120
  • The larger the BSZ, the higher the performance.
  • To allow the use of a larger BSZ than actual GPU memory, one trick is to remove allow_gpu_memory_growth() from the run.py.

Install

Docker

# CUDA 10.1-based image
docker pull mimbres/neural-audio-fp:latest
# CUDA 11.2-based image for RTX 30x0 and later
docker pull mimbres/neural-audio-fp:cuda11.2.0-cudnn8
Create a custom image from Dockerfile

Requirements

  • NVIDIA driver >= 450.80.02
  • Docker > 20.0

Create

You can create an image through Dockerfile and environment.yml.

git clone https://github.com/mimbres/neural-audio-fp.git
cd neural-audio-fp
docker build -t neural-audio-fp .

Further information

  • Intel CPU users can remove libopenblas from Dockerfile.
  • Faiss and Numpy are optimized for Intel MKL.
  • Image size is about 12 GB or 6.43 GB (compressed).
  • To optimize GPU-based search speed, install from the source.

Conda

Create a virtual environment via .yml

Requirements

Create

After checking the requirements,

git clone https://github.com/mimbres/neural-audio-fp.git
cd neural-audio-fp
conda env create -f environment.yml
conda activate fp
Create a virtual environment without .yml 
# Python 3.8: installing in the same virtual environment
conda create -n YOUR_ENV_NAME 
conda install -c anaconda -c pytorch tensorflow=2.4.1=gpu_py38h8a7d6ce_0 cudatoolkit faiss-gpu=1.6.5
conda install pyyaml click matplotlib
conda install -c conda-forge librosa
pip install kapre wavio
If your installation fails at this point and you don't want to build from source...:thinking:
  • Try installing tensorflow and faiss-gpu=1.6.5 (not 1.7.1) in separate environments.
#After creating a tensorflow environment for training...
conda create -n YOUR_ENV_NAME
conda install -c pytorch faiss-gpu=1.6.5
conda install pyyaml, click

Now you can run search & evaluation by

python eval/eval_faiss.py --help

Dataset

Dataset-mini v1.1 (11.2 GB) Dataset-full v1.1 (443 GB)
tar ✳️kaggle / gdrive dataport(open-access)
raw gdrive gdrive
  • The only difference between these two datasets is the size of 'test-dummy-db'. So you can first train and test with Dataset-mini. Dataset-full is for testing in 100x larger scale.
  • You can download the Dataset-mini via kaggle CLI (recommended).
    • Sign in kaggle -> Account -> API -> Create New Token -> download kaggle.json
pip install --user kaggle
cp kaggle.json ~/.kaggle/ && chmod 600 ~/.kaggle/kaggle.json
kaggle datasets download -d mimbres/neural-audio-fingerprint

100%|███████████████████████████████████| 9.84G/9.84G [02:28<00:00, 88.6MB/s]
Dataset installation

This dataset includes all music sources, background noises, impulse-reponses (IR) samples that can be used for reproducing the ICASSP results.

Directory location

The default directory of the dataset is ../neural-audio-fp-dataset. You can change the directory location by modifying config/default.yaml.

.
├── neural-audio-fp-dataset
└── neural-audio-fp

Structure of dataset

neural-audio-fp-dataset/
├── aug
│   ├── bg         <=== Audioset, Pub/cafe etc. for background noise mix
│   ├── ir         <=== IR data for microphone and room reverb simulatio
│   └── speech     <=== subset of common-voice, NOT USED IN THE PAPER RESULT
├── extras
│   └── fma_info   <=== Meta data for music sources.
└── music
    ├── test-dummy-db-100k-full  <== 100K songs of full-lengths
    ├── test-query-db-500-30s    <== 500 songs (30s) and 2K synthesized queries
    ├── train-10k-30s            <== 10K songs (30s) for training
    └── val-query-db-500-30s     <== 500 songs (30s) for validation/mini-search

The data format is 16-bit 8000 Hz PCM Mono WAV. README.md and LICENSE is included in the dataset for more details.

Checksum for Dataset-full

Install checksumdir.

pip install checksumdir

Compare checksum.

checksumdir -a md5 neural-audio-fp-dataset
# aa90a8fbd3e6f938cac220d8aefdb134

checksumdir -a sha1 neural-audio-fp-dataset
# 5bbeec7f5873d8e5619d6b0de87c90e180363863d

Quickstart

There are 3 basic COMMAND s for each step.

# Train
python run.py train CHECKPOINT_NAME

# Generate fingreprint
python run.py generate CHECKPOINT_NAME

# Search & Evalutaion (after generating fingerprint)
python run.py evaluate CHECKPOINT_NAME CHECKPOINT_INDEX

Help for run.py client and its commands.

python run.py --help
python run.py COMMAND --help

More Features

Click to expand each topic.

Managing Checkpoint 
python run.py train CHECKPOINT_NAME CHECKPOINT_INDEX
  • If CHECKPOINT_INDEX is not specified, the training will resume from the latest checkpoint.
  • In default configuration, all checkpoints are stored in logs/checkpoint/CHECKPOINT_NAME/ckpt-CHECKPOINT_INDEX.index.
Training 
python run.py train CHECKPOINT --max_epoch=100 -c default

Notes:

  • Check batch-size that fits on your device first.
  • The default config is set TR_BATCH_SZ=120 with OPTIMIZER=Adam.
  • For TR_BATCH_SZ >= 240, OPTIMIZER=LAMB is recommended.
  • For TR_BATCH_SZ >= 1280, LR=1e-4 can be too small.
  • In NTxent loss function, the best temperature parameter TAU is in the range of [0.05, 0.1].
  • Augmentation strategy is quite important. This topic deserves further discussion.
Config File

The config file is located in config/CONFIG_NAME.yaml. You can edit directory location, data selection, hyperparameters for model and optimizer, batch-size, strategies for time-domain and spectral-domain augmentation chain, etc. After training, it is important to keep the config file in order to restore the model.

python run.py COMMAND -c CONFIG

When using generate command, it is important to use the same config that was used in training.

Fingerprint Generation 
python run.py generate CHECKPOINT_NAME # from the latest checkpoint
python run.py generate CHECKPOINT_NAME CHECKPOINT_INDEX -c CONFIG_NAME
# Location of the generated fingerprint
.
└──logs
   └── emb
       └── CHECKPOINT_NAME
           └── CHECKPOINT_INDEX
               ├── db.mm
               ├── db_shape.npy
               ├── dummy_db.mm
               ├── dummy_db_shape.npy
               ├── query.mm
               └── query_shape.npy

By default config, generate will generate embeddings (or fingerprints) from 'dummy_db', test_query and test_db. The generated embeddings will be located in logs/emb/CHECKPOINT_NAME/CHECKPOINT_INDEX/**.mm and **.npy.

  • dummy_db is generated from the 100K full-length dataset.
  • In the DATASEL section of config, you can select options for a pair of db and query generation. The default is unseen_icassp, which uses a pre-defined test set.
  • It is possilbe to generate only the db and query pairs by --skip_dummy option. This is a frequently used option to avoid overwriting the most time-consuming dummy_db fingerprints in every experiment.
  • It is also possilbe to generate embeddings (or fingreprints) from your custom source.
python run.py generate --source SOURCE_ROOT_DIR --output FP_OUTPUT_DIR --skip_dummy # for custom audio source
python run.py generate --help # more details...
Search & Evaluation

The following command will construct a faiss.index from the generated embeddings or fingerprints located at logs/emb/CHECKPOINT_NAME/CHECKPOINT_INDEX/.

# faiss-gpu
python run.py evaluate CHECKPOINT_NAME CHECKPOINT_INDEX [OPTIONS]

# faiss-cpu
python run.py evaluate CHECKPOINT_NAME CHECKPOINT_INDEX --nogpu

In addition, you can choose one of the --index_type (default is IVFPQ) from the table below:

Type of index Description
l2 L2 distance
ivf Inverted File Index (IVF)
ivfpq Product Quantization (PQ) with IVF 📖
ivfpq-rr IVF-PQ with re-ranking
ivfpq-rr-ondisk IVF-PQ with re-ranking on disk search
hnsw Hierarchical Navigable Small World 📖 
python run.py evaluate CHECKPOINT_NAME CHECKPOINT_INDEX --index_type IVFPQ

Currently, few options for Faiss settings are available in run.py client. Instead, you can directly run:

python eval/eval_faiss.py EMB_DIR --index_type IVFPQ --kprobe 20 --nogpu
python eval/eval_faiss.py --help

Note that eval_faiss.py does not require Tensorflow.

Tensorboard

Tensorboard is enabled by default in the ['TRAIN'] section of the config file.

# Run Tensorboard
tensorboard --logdir=logs/fit --port=8900 --host=0.0.0.0

Build DB & Search

Here is an overview of the system for building and retrieving the database. The system and 'matcher' algorithm are not detailed in the paper. But it's very simple as in this code.

Plan

  • Now working on tf.data-based new data pipeline for multi-GPU and TPU support.
  • One page Colab demo.
  • This project is currently based on Faiss, which provides the fastest large-scale vector searches.
  • Milvus is also worth watching as it is an active project aimed at industrial scale vector search.

Augmentation Demo and Scoreboard

Augmentation demo was generated by dataset2wav.py.

External links

Acknowledgement

This project has been supported by the TPU Research Cloud (TRC) program.

Cite

@conference {chang2021neural,
    author={Chang, Sungkyun and Lee, Donmoon and Park, Jeongsoo and Lim, Hyungui and Lee, Kyogu and Ko, Karam and Han, Yoonchang},
    title={Neural Audio Fingerprint for High-specific Audio Retrieval based on Contrastive Learning},
    booktitle={International Conference on Acoustics, Speech and Signal Processing (ICASSP 2021)},
    year = {2021}
}