Text-to-Speech Synthesis (TTS): Documentation Mel-Spectrogram generators: FastPitch, SSL FastPitch, Mixer-TTS/Mixer-TTS-X, RAD-TTS, Tacotron2 Vocoders: HiFiGAN, UnivNet, WaveGlow End-to-End Models: VITS Pre-trained Model Checkpoints in NVIDIA GPU Cloud (NGC)