A voice replication package (e.g. Dola_Seedspeech_Voicereplication7000000010348122062)
gives you N speaker slots. Each slot has an opaque ID like
S_xxxxxxxxxxxx — visible in the BytePlus console at
Voice Technology → Voice Replication → your package.
Copy a slot ID, paste it below, upload a 3–10s voice sample, and the slot becomes a
reusable cloned speaker in any TTS request.