Supplementary Material of Glow-TTS: A Generative Flow for Text-to-Speech via Monotonic Alignment Search Appendix A

The detailed encoder architecture is depicted in Figure 7. We design the grouped 1x1 convolutions to be able to mix channels. Figure 8c shows an example. The decoder gets a mel-spectrogram and squeezes it. The, the decoder processes it through a number of flow blocks.