Google · 2017 · Tacotron + WaveNet

Tacotron 2

Tacotron’s spectrogram predictor plus a WaveNet vocoder. MOS 4.53, next to 4.58 for professional recordings, on the paper’s test. This is the ‘AR seq2seq + neural vocoder’ stack that FastSpeech later made non-autoregressive.

Known for

The canonical two-stage neural TTS recipe.

Vendor / paper demo

Tacotron 2 paper demo · Tacotron 2 official demo, gan_or_vae.wav.

Generative adversarial network or variational auto-encoder.

Vendor / paper demo

LJSpeech (FastSpeech comparison) · Tacotron 2 baseline from the FastSpeech demo page, sample 1.

I will quote an extract from the reverend gentleman's own journal.

Approach
AR seq2seq
Year / era
2017
License class
research
Cloning
No
Streaming
No
Emotion controls
No
Languages (tags)
en
Official
Source
Kokoro 82M · af_heart