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Python interface for eSpeak NG

Project description

Some simple wrappers around eSpeak NG intended to make using this excellent TTS for waveform and IPA generation as convenient as possible.

Target audience are developers who would like to use eSpeak NG as-is for speech synthesis in their Python application on GNU/Linux operating systems.

Constructive comments, patches and pull-requests are very welcome.

Examples

### Direct TTS Audio Output

First, import the ESpeakNG engine wrapper:

from espeakng import ESpeakNG

now for some simple direct TTS output:

esng = ESpeakNG() esng.say(‘Hello World!’)

lower pitch and speed:

esng.pitch = 32 esng.speed = 150 esng.say(‘Hello World!’)

try a different language:

esng.voice = ‘german’ esng.say(‘Hallo Welt!’)

specify phonemes instead of words:

esng.voice = ‘english-us’ esng.say(“[[h@l’oU w’3:ld]]”)

### Synthesize Wave File without Playing It

>From Text:

import wave import StringIO

esng.voice = ‘english-us’ wavs = esng.synth_wav(‘Hello World!’) wav = wave.open(StringIO.StringIO(wavs)) print wav.getnchannels(), wav.getframerate(), wav.getnframes()

result:

1 22050 24210

### List Available Voices

l = esng.voices

result:

>>> l[0]
{'pty': '5', 'language': 'af', 'gender': 'M', 'age': '--', 'voice_name': 'afrikaans', 'file': 'gmw/af'}
>>> l[1]
{'pty': '5', 'language': 'am', 'gender': '-', 'age': '--', 'voice_name': 'amharic', 'file': 'sem/am'}
>>> l[2]
{'pty': '5', 'language': 'an', 'gender': 'M', 'age': '--', 'voice_name': 'aragonese', 'file': 'roa/an'}
...

### Grapheme to Phoneme (G2P) Conversion

ipa = esng.g2p (‘Hello World!’, ipa=2)

result:

>>> print ipa
həlˈo͡ʊ wˈɜːld

Requirements

  • Python 2 or 3
  • espeak-ng binary installed and in PATH

License

My own code is Apache-2.0 licensed unless otherwise noted in the script’s copyright headers.

Author

Guenter Bartsch <<guenter@zamia.org>>

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