Audio and video · Independent · 26 Oct 2026

yxlllc/DDSP-SVC

Real-time end-to-end singing voice conversion system based on DDSP (Differentiable Digital Signal Processing)

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DDSP-SVC: AI singing voice changer. Converts singing voices with fast local training.
Verified26 Oct 2026

Radar check

What we found when we opened it. Every bar is one fact, with its date.

Alive90

Last code pushed 4 Oct 2026, 22 days before this check.

Releases10

Latest release 5.0 on 8 Feb 2024.

Maturity70

Public since March 2023, a little over 3 years.

Adoption69

2,702 stars and 287 forks.

Activity45

10 commits and 0 new issues in the last 90 days.

Community60

25 contributors. 3 pull requests merged in 90 days.

Security40

No security policy file says how to report a problem. No published security advisories.

Licence MIT: permissive: use it for anything, keep the noticeSetup effort 3 of 5Payoff 4 of 5
How the bars are scored
  • Alive. Days since the last code push: a week or less 100, a month 90, three months 70, six months 50, a year 30, eighteen months 15, older 0.
  • Releases. Age of the latest GitHub release, on a similar scale; no bar when the project publishes no releases.
  • Maturity. Age of the project: eight years 100, five 90, three 70, two 55, one 40, six months 25, younger 10.
  • Adoption. Stars on a log scale: 100,000 stars is 100, 10,000 is 80, 1,000 is 60, 100 is 40.
  • Activity. Commits in the last 90 days: 300 or more 100, 100 85, 30 65, 10 45, any 25.
  • Community. People who have contributed: 100 or more 100, 30 80, 10 60, 5 40, 2 25, one 10.
  • Security. A published security policy 80, none 40; published advisories are listed, not scored.

Checked by Repo Radar on 26 Oct 2026 from the repository on GitHub.

In simple English

This tool transforms a recorded singing voice into the voice of a different singer. It runs on a normal personal computer and trains much faster than older programs. You provide audio files of the target voice to teach the program. The software is free to run, but you need a graphics card with enough memory. You also need to spend time gathering clean audio clips and setting up the command line.

What it is

DDSP-SVC is an open-source singing voice conversion system built on Differentiable Digital Signal Processing (a method that uses machine learning to generate sound through digital signal processing filters). It allows users to train custom voice models and convert vocals in real-time or from audio files.

What it is good for

Solo builders and creators who want to clone singing voices for music production or content creation without needing expensive server hardware.

Stars2.7k
LicenceMIT
Latest5.0 (2024-02-08)checked 26 Oct 2026
Last code change2026-10-04
Written inPython
Setup effort
3 / 5
Payoff
4 / 5
Good
  • Trains much faster than older voice conversion software.
  • Supports real-time voice changing through a simple graphical interface.
  • Requires less computer memory than alternative systems.
Watch for
  • Requires a dedicated graphics card with enough memory to run smoothly.
  • Setup involves downloading multiple separate pre-trained model files.
  • Gathering and cleaning the required training audio clips takes considerable time.
Replaces

SO-VITS-SVC

Works well with

RVC-Project/Retrieval-based-Voice-Conversion-WebUI

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Install
pip install -r requirements.txt

Independent: reviewed for Repo Radar outside the daily editions. Every independent repository

On Stack Radar: Design & Creative › Audio & Voice Production › Singing Voice Conversion.

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