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Voice Changer

Overview

This is a fork of w-okada voice changer that performs real-time voice conversion using various voice conversion algorithms.

NOTE: This version works only with Retrieval-based Voice Conversion (RVC).

The fork aims to improve the overall performance for any backend, and at the same time introducing new features and improving user experience.

The following videos demonstrate how the voice changer works and performs with AMD graphics cards (including integrated GPU!):

Amd.iGPU.webm
Amd.Dgpu.Rx6600m.webm

And this one demonstrates how the voice changer works and performs with Nvidia GeForce GTX 1650 laptop:

Nvidia.Dgpu.Gtx.1650.webm

Supported operated systems

  • Windows 10 or later.
  • Linux.
  • macOS 12 Monterey or later. With Apple Silicon or Intel CPU.

System requirements

NOTE: Minimum requirement means that you will be able to run ONLY the voice changer. Voice conversion and gaming at the same time will not provide satisfying experience.

RAM: at least 6GB.

Disk space: at least 6GB of free disk space. For fast model loading, SSD is recommended.

For CPU-only voice conversion

Minimum requirement: Intel Core i5-4690K or AMD FX-6300.

Recommended requirement: Intel Core i5-10400F or AMD Ryzen 5 1600X.

For GPU voice conversion

Minimum VRAM required: 2GB (in FP32 mode), ~1GB (in FP16 mode, if supported).

Minimum requirement:

  • An integrated graphics card: AMD Radeon Vega 7 (with AMD Ryzen 5 5600G) or later.
  • A dedicated graphics card: Nvidia GeForce GTX 900 Series or later or AMD Radeon RX 500 series or later.

Recommended requirement:

A dedicated graphics card Nvidia GeForce RTX 20 Series or later or AMD Radeon RX 6000 series or later.

Known issues

General

  • Mozilla Firefox ESR may not display audio devices.

DirectML (dml) version

  • When changing Chunk, Extra or Crossfade size settings, you must switch device to CPU then back to your GPU. Otherwise, performance issues can be observed.

  • Only rmvpe_onnx, fcpe_onnx, crepe_tiny_onnx and crepe_full_onnx are available in the list of F0 Det..

  • When using a laptop with integrated GPU and dedicated GPU, severely degraded performance (up to 50% reduction) can be observed when running the voice changer on built-in display.

  • Slightly degraded performance (up to 25% reduction) can be observed with multi-GPU setups.

  • AMD Radeon RX 7000 series may be unable to achieve low latency (below 256ms).

All versions

  • On first startup, voice may not change or errors may occur until Chunk and Extra settings are changed. Workaround is to change Chunk and Extra.

How to use

Running locally on Windows

Before you start

  1. [If not installed] Download and install 7-Zip.

  2. [If not installed] Download and install VAC Lite by Muzychenko.

  3. Navigate to the releases section.

Check your hardware

  1. Open Task Manager > Performance.

  2. Click CPU, check and note the processor model on the right. An example: AMD Ryzen 7 5800H with Radeon Graphics.

  3. Check and note graphics card models under GPU. An example:

    • GPU 0: AMD Radeon RX 6600M.

    • GPU 1: AMD Radeon(TM) Graphics.

For AMD/Intel/CPU users

  1. Download the voice-changer-windows-amd64-dml.zip ZIP file.

  2. Right-click the ZIP file. In the opened action menu select 7-Zip > Extract to "voice-changer-windows-amd64-dml\".

For Nvidia users

  1. Make sure your Nvidia driver version is >=528.33. Click here to learn how to check your driver version.

  2. Download the voice-changer-windows-amd64-cuda.zip.001 and voice-changer-windows-amd64-cuda.zip.002 ZIP files and place them in the same folder.

  3. Right-click the voice-changer-windows-amd64-cuda.zip.001 ZIP file. In the opened action menu select 7-Zip > Extract to "voice-changer-windows-amd64-cuda\". This will unpack both files, no need to unpack them separately.

Running the voice changer

  1. Open the extracted folder (voice-changer-windows-amd64-dml or voice-changer-windows-amd64-cuda) > MMVCServerSIO.

  2. Run MMVCServerSIO.exe.

When running the voice changer for the first time, it will start downloading necessary files. Do not close the window until the download finishes.

Once the download is finished, the voice changer will open the user interface using your default web browser.

Running locally on macOS

NOTE: macOS support is experimental and not confirmed to be fully working.

For Apple Silicon (Apple M1, etc.) users

  1. Download the voice-changer-macos-arm64-cpu.tar.gz file.

  2. Double-click the file. The voice changer will unpack and the MMVCServerSIO folder will appear.

For Intel users

NOTE: The voice changer would work best if your Intel-based machine has AMD graphics. If your machine has only Intel integrated graphics, only CPU will be utilized.

  1. Download the voice-changer-macos-amd64-cpu.tar.gz file.

  2. Double-click the file. The voice changer will unpack and the MMVCServerSIO folder will appear.

Removing Apple quarantine attribute

NOTE: Currently, this step is mandatory. This may be improved in the future.

  1. Open Terminal.

  2. Run the following command:

    xattr -dr com.apple.quarantine <Path to extracted MMVCServerSIO folder>

    For example, if you extracted the voice changer to your desktop, the command may look as follows:

    xattr -dr com.apple.quarantine ~/Desktop/MMVCServerSIO

Running the voice changer

  1. Open the extracted MMVCServerSIO folder.

  2. Double-click MMVCServerSIO to run the voice changer.

Running on Colab/Kaggle

Refer to corresponding Colab or Kaggle notebooks in this repository and follow their instructions.

Troubleshooting

NOTE: When any issue with the voice changer occurs, check the command line window (the one that opens during the start) for errors.

Exceptions.WeightDownloadException: 'Failed to download weight.'

Either the remote files have changed or your files were corrupted. The error will show which files are affected above the error:

[Voice Changer] 'pretrain/content_vec_500.onnx failed to pass hash verification check. Got 1931e237626b80d65ae44cbacd4a5197, expected ab288ca5b540a4a15909a40edf875d1e'
[Voice Changer] 'pretrain/rmvpe.onnx failed to pass hash verification check. Got 65030149d579a65f15aa7e85769c32f1, expected b6979bf69503f8ec48c135000028a7b0'

Find and delete the mentioned files from the voice changer folder and restart the voice changer. Deleted files will be re-downloaded.

Audio devices are not displayed

  1. Make sure that you have given the permission to access the microphone.

  2. If you are using Mozilla Firefox ESR, there may be an issue with audio devices. Use other web browser (preferably Chrome or Chromium-based).

No sound after start

  1. Make sure you have selected correct input and output audio devices.

  2. Make sure your input device is not muted. Check the microphone volume in the system settings or hardware switch on your headset (usually a button, if present).

Hearing non-converted voice

In the voice changer, make sure passthru is not on (indicated by blinking red color). Click it to switch it off (indicated by solid green color).

Hearing audio crackles

  1. Make sure you are using VAC by Muzychenko (indicated by the Line 1 audio device name).

  2. Make sure the perf time is smaller than buf. Increase Chunk or reduce Extra and Crossfade size.

Contribution

At the moment, the fork does not accept any code contributions. However, feel free to report any issues you encounter during usage.

Working with the source

Prerequisites

  1. [If not installed] Download and install Python 3.10.

  2. [If not installed] Download and install git.

  3. Open a command line.

  4. Verify your Python version by running the following command:

    python --version
Python 3.10.8

  5. Clone the repository.

  6. Navigate to the server folder.

Setting up the environment

  1. [If not set up] Set up virtual environment with the following command:

    python -m venv venv

  2. Activate virtual environment using one of the following commands:

    • For Windows:

      .\venv\Scripts\activate.ps1

    • For Linux/macOS:

      source ./venv/bin/activate

  3. Install the requirements using one of the following commands:

    • For AMD/Intel/CPU (Windows only):

      pip install -r requirements-common.txt -r requirements-dml.txt

    • For Nvidia (any OS):

      pip install -r requirements-common.txt -r requirements-cuda.txt

    • For AMD ROCm (Linux only):

      pip install -r requirements-common.txt -r requirements-rocm.txt

    • For CPU (Linux/macOS only):

      pip install -r requirements-common.txt -r requirements-cpu.txt

Running the server

Run the server by executing main.py.

python ./main.py

This will run the server with default settings. Note that it will not open the web browser by default, copy the address from command line.

Building a package

  1. [If not installed] Install pyinstaller with the following command:

    pip install --upgrade pip wheel setuptools pyinstaller

  2. Run the following command to build an executable:

    pyinstaller --clean -y --dist ./dist --workpath /tmp MMVCServerSIO.spec

    This will output the resulting executable in the dist folder.