buchwandler

Portuguese API

Portuguese G2P provides rule-based phoneme conversion for Brazilian Portuguese, designed for Kokoro TTS models.

Main Class

Examples

from kokorog2p.pt import PortugueseG2P

g2p = PortugueseG2P(language="pt-br")
tokens = g2p("Olá mundo!")

for token in tokens:
    print(f"{token.text} -> {token.phonemes}")

Phonology Features

Brazilian Portuguese phonology includes:

  • 7 oral vowels (a, e, ɛ, i, o, ɔ, u) with open/closed e/o variants

  • 5 nasal vowels (ã, ẽ, ĩ, õ, ũ)

  • Nasal diphthongs (ãw̃, õj̃, etc.)

  • Palatalization: lh [ʎ], nh [ɲ], x/ch [ʃ]

  • Affrication: t+i [ʧ], d+i [ʤ] (Brazilian Portuguese feature)

  • Sibilants: s [s/z], x [ʃ], z [z]

  • Liquids: r [ʁ/x/h] (varies by dialect), rr [ʁ/x], single r [ɾ]

  • No θ sound (unlike European Portuguese)