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1. Get started

  1. Visit Pricing and select a plan
  2. For 500,000 free migration credits, email support@lmnt.com with “Migrated from PlayHT to LMNT” and your last PlayHT billing statement

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2. Install SDK

pip install -U lmnt
For Unity, see the Unity SDK guide.

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3. Update your code

Here’s how to convert your PlayHT code to LMNT.

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PlayHT Code

from pyht import Client
from dotenv import load_dotenv
from pyht.client import TTSOptions, Format
import os
load_dotenv()

client = Client(
   user_id="PlayHT user id",
   api_key="PlayHT API key",
 )
options= TTSOptions(voice="s3://voice-cloning-zero-shot/d9ff78ba-d016-47f6-b0ef-dd630f59414e/female-cs/manifest.json", format=Format.FORMAT_MP3)
with open("/Users/yourname/Downloads/audio.mp3", mode='wb') as f:
 for chunk in client.tts("Hello world!", options):
     f.write(chunk)

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LMNT Code

import asyncio
from lmnt import AsyncLmnt

text = 'Hello world!'
voice_id = 'leah'
language = 'en'

async def main():
  client = AsyncLmnt()
  response = await client.speech.generate(
    text=text,
    voice=voice_id,
    language=language,
  )
  with open('audio.mp3', 'wb') as f:
    f.write(await response.read())

asyncio.run(main())

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4. Choose voices

Select from our stock voices or create custom voice clones in the Playground. List all available voices: 
import asyncio
from lmnt import AsyncLmnt

async def main():
  client = AsyncLmnt()
  voices = await client.speech.list_voices()
  name_id_list = [(voice.name, voice.id) for voice in voices]

  for name, id_ in name_id_list:
    print(f"Name: {name} | ID: {id_}")

asyncio.run(main())

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Need help?

  • Voice transfer: Email support@lmnt.com for assistance with specific voice migrations
  • Documentation: Check our guides for optimization tips