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Ruby wrapper for ‘espeak’ and ‘lame’ with sugar on top to create Text-To-Speech mp3 files.
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Latest commit f163d36 Dec 19, 2015 @dejan Merge pull request #4 from structuralartistry/master
add :capital param for the -k flag in espeak to modulate pitch on cap…

README.md

espeak-ruby

espeak-ruby is a small Ruby API for utilizing espeak and lame to create Text-To-Speech mp3 files. It can also just speak (without saving). See the live demo.

Install

Add espeak-ruby to Gemfile

gem "espeak-ruby", require: "espeak"

Examples

First you need to include ESpeak module to access espeak API

include ESpeak

Then use it like this:

# Speaks "YO!"
speech = Speech.new("YO!")
speech.speak # invokes espeak

# Creates hello-de.mp3 file
speech = Speech.new("Hallo Welt", voice: "de")
speech.save("hello-de.mp3") # invokes espeak + lame

# Lists voices
Voice.all.map { |v| v.language } # ["af", "bs", "ca", "cs", "cy", "da", "de", "el", "en", "en-sc", "en-uk", "en-uk-north", "en-uk-rp", "en-uk-wmids", "en-us", "en-wi", "eo", "es", "es-la", "fi", "fr", "fr-be", "grc", "hi", "hr", "hu", "hy", "hy", "id", "is", "it", "jbo", "ka", "kn", "ku", "la", "lv", "mk", "ml", "nci", "nl", "no", "pap", "pl", "pt", "pt-pt", "ro", "ru", "sk", "sq", "sr", "sv", "sw", "ta", "tr", "vi", "zh", "zh-yue"]

# Find particular voice
Voice.find_by_language('en') #<ESpeak::Voice:0x007fe1d3806be8 @language="en", @name="default", @gender="M", @file="default">

Features

Currently only subset of espeak features is supported.

:voice   => 'en'    # use voice file of this name from espeak-data/voices
:pitch   => 50      # pitch adjustment, 0 to 99
:speed   => 170     # speed in words per minute, 80 to 370
:capital => 170     # increase emphasis (pitch) of capitalized words, 1 to 40 (for natural sound, can go higher)

These are default values, and they can be easily overridden:

Speech.new("Zdravo svete", voice: "sr", pitch: 90, speed: 200).speak

Requirements

Related

  • espeak-http - Micro web app for Text-To-Speech conversion via HTTP powered by Ruby, Sinatra, lame, espeak and espeak-ruby

Licence

Copyright (c) 2008 Dejan Simic

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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