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35 lines
1.6 KiB
Text
35 lines
1.6 KiB
Text
eSpeak (a compact open source software speech synthesizer)
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eSpeak produces good quality English speech. It uses a different synthesis
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method from other open source text to speech (TTS) engines, and sounds
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quite different. It's perhaps not as natural or "smooth", but some find
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the articulation clearer and easier to listen to for long periods. It
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can run as a command line program to speak text from a file or from stdin.
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Build options (environment variables):
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PULSE Build PulseAudio output support (yes/no)? Default is "yes".
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PORTAUDIO Build PortAudio output support (yes/no/auto)? Default is "auto",
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which will build in PortAudio support if it's installed.
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Use PortAudio[1] for plain ALSA[2] audio output, if you don't want to use
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PulseAudio. However, if you're happy with PulseAudio, it's recommended NOT
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to build PortAudio support into espeak (you won't need it anyway).
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Note that if both options are "no" (or if PULSE=no and portaudio isn't
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autodetected), the resulting binary will not be able to make sound
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(it will only produce .wav files).
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The slack-desc will be updated to let you know which audio drivers
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(if any) were included.
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[1] Using PortAudio with espeak results in a lot of scary-looking
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warnings from espeak, but you can ignore them so long as you
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can hear its speech.
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[2] Or JACK audio, if your portaudio package was built with jack
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installed. Or... PortAudio can also feed audio to PulseAudio, if its
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daemon is running. Or, if you have OSS modules loaded, PortAudio
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can use that, too. The Linux audio driver ecosystem is a really
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weird place.
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