Pyttsx3 - PyPI

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Offline Text To Speech (TTS) converter for Python

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pyttsx3 is a text-to-speech conversion library in Python. Unlike alternative libraries, it works offline.

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Installation :

pip install pyttsx3

If you get installation errors , make sure you first upgrade your wheel version using : pip install --upgrade wheel

Features :

  • ✨Fully OFFLINE text to speech conversion
  • 🎈 Choose among different voices installed in your system
  • 🎛 Control speed/rate of speech
  • 🎚 Tweak Volume
  • 📀 Save the speech audio as a file
  • ❤️ Simple, powerful, & intuitive API

Linux installation requirements :

  • If you are on a Linux system and if the voice output is not working, then :

    Install espeak-ng and libespeak1 as shown below:

    sudo apt update && sudo apt install espeak-ng libespeak1

Usage :

importpyttsx3 engine = pyttsx3.init() # For Mac, If you face error related to "pyobjc" when running the `init()` method : # Install 9.0.1 version of pyobjc : "pip install pyobjc>=9.0.1" engine.say("I will speak this text") engine.runAndWait()

Single line usage with speak function with default options

importpyttsx3 pyttsx3.speak("I will speak this text")

Changing Voice , Rate and Volume :

importpyttsx3 engine = pyttsx3.init() # object creation # RATE rate = engine.getProperty('rate') # getting details of current speaking rate print (rate) # printing current voice rate engine.setProperty('rate', 125) # setting up new voice rate # VOLUME volume = engine.getProperty('volume') # getting to know current volume level (min=0 and max=1) print (volume) # printing current volume level engine.setProperty('volume',1.0) # setting up volume level between 0 and 1 # VOICE voices = engine.getProperty('voices') # getting details of current voice #engine.setProperty('voice', voices[0].id) # changing index, changes voices. o for male engine.setProperty('voice', voices[1].id) # changing index, changes voices. 1 for female engine.say("Hello World!") engine.say('My current speaking rate is ' + str(rate)) engine.runAndWait() engine.stop() # Saving Voice to a file # On Linux, make sure that 'espeak-ng' is installed engine.save_to_file('Hello World', 'test.mp3') engine.runAndWait()

Full documentation of the Library

https://pyttsx3.readthedocs.io

Included Text-To-Speech Engines by Operating System

Linux macOS Windows
AVSpeech ✅︎
eSpeak ✅︎ ✅︎ ✅︎
NSSpeechSynthesizer ✅︎
SAPI5 ✅︎

[!NOTE]

  • AVSpeechSynthesizer support is still experimental.
  • NSSpeechSynthesizer is deprecated by Apple.

Feel free to wrap another text-to-speech engine for use with pyttsx3.

Project Links :

  • PyPI (https://pypi.org/project/pyttsx3)
  • GitHub (https://github.com/nateshmbhat/pyttsx3)
  • Full Documentation (https://pyttsx3.readthedocs.org)

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