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SPECIFICTION
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DDSP-SVC

github.com

Free plan WindowsSelf-hosted
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Spec score 7.7 #24 of 55 in AI song cover generators

Spec sheet

What it does
DDSP-SVC is an open-source project for real-time singing voice conversion.Read 9 Oct 2026 · github.com
Intended users
The project describes its goal as developing free AI voice-changer software that can be used on personal computers.Read 9 Oct 2026 · github.com
Integrations
The README recommends installing PyTorch and documents TensorBoard for viewing training status and generated test audio.Read 9 Oct 2026 · github.com
Data and legal use
The author asks users to train only with legally obtained authorized data and not use models or generated audio for illegal purposes.Read 9 Oct 2026 · github.com
Dataset guidance
The project recommends about 1,000 training clips and about 10 validation clips, with each audio clip at least two seconds long.Read 9 Oct 2026 · github.com
Hardware and setup
The README says its default configuration suits 44.1 kHz training with an RTX 4060 and reports a working Python 3.11, Windows, CUDA 13.0, PyTorch 2.9.1, and torchaudio 2.9.1 setup.Read 9 Oct 2026 · github.com
Local processing
The README describes installing dependencies and running the conversion GUI locally with Python.Read 9 Oct 2026 · github.com
Model components
The setup instructions support ContentVec or HubertSoft encoders, an NSF-HiFiGAN vocoder, and the RMVPE pitch extractor.Read 9 Oct 2026 · github.com
Model training
The project documents preprocessing audio datasets and training a model with a rectified-flow script.Read 9 Oct 2026 · github.com
Multi-speaker support
Training supports multi-speaker models configured with a speaker count and speaker-numbered audio folders.Read 9 Oct 2026 · github.com
Offline conversion
The command-line interface converts an input WAV file to an output WAV file and accepts pitch-shift and speaker options.Read 9 Oct 2026 · github.com
Real-time conversion
Its real-time interface uses sliding windows, cross-fading, SOLA-based splicing, and contextual semantic reference.Read 9 Oct 2026 · github.com

Plans and prices

Free Free Personal computer software · Requires local Python dependencies and pretrained model assets Read 9 Oct 2026 · github.com

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