56 lines
1.7 KiB
Ruby
56 lines
1.7 KiB
Ruby
class SpeechTools < Formula
|
|
desc "C++ general speech software library from the University of Edinburgh"
|
|
homepage "http://festvox.org/docs/speech_tools-2.4.0/"
|
|
url "http://festvox.org/packed/festival/2.4/speech_tools-2.4-release.tar.gz"
|
|
sha1 "5b0ebd39bb7afa33e4093724a2123bdc62a6aebc"
|
|
|
|
bottle do
|
|
cellar :any
|
|
sha1 "861a04fc277c90118cf88641c2ea2d07e7afa636" => :yosemite
|
|
sha1 "c4b33389281c09184012fb79f53cc1112c8e11ce" => :mavericks
|
|
sha1 "2fe64f901cd995effbcb26edf0ebce2b0a1141fd" => :mountain_lion
|
|
end
|
|
|
|
def install
|
|
ENV.deparallelize
|
|
system "./configure"
|
|
system "make"
|
|
# install all executable files in "main" directory
|
|
bin.install Dir["main/*"].select { |f| File.file?(f) && File.executable?(f) }
|
|
end
|
|
|
|
test do
|
|
rate_hz = 16000
|
|
frequency_hz = 100
|
|
duration_secs = 5
|
|
basename = "sine"
|
|
txtfile = "#{basename}.txt"
|
|
wavfile = "#{basename}.wav"
|
|
ptcfile = "#{basename}.ptc"
|
|
|
|
File.open(txtfile, 'w') do |f|
|
|
scale = 2 ** 15 - 1
|
|
f.puts Array.new(duration_secs * rate_hz) { |i| (scale * Math.sin(frequency_hz * 2 * Math::PI * i / rate_hz)).to_i }
|
|
end
|
|
|
|
# convert to wav format using ch_wave
|
|
system "ch_wave", txtfile,
|
|
"-itype", "raw",
|
|
"-istype", "ascii",
|
|
"-f", rate_hz.to_s,
|
|
"-o", wavfile,
|
|
"-otype", "riff"
|
|
|
|
# pitch tracking to est format using pda
|
|
system "pda", wavfile,
|
|
"-shift", (1 / frequency_hz.to_f).to_s,
|
|
"-o", ptcfile,
|
|
"-otype", "est"
|
|
|
|
# extract one frame from the middle using ch_track, capturing stdout
|
|
pitch = `ch_track #{ptcfile} -from #{frequency_hz * duration_secs / 2} -to #{frequency_hz * duration_secs / 2}`.strip
|
|
|
|
# should be 100 (Hz)
|
|
assert_equal frequency_hz, pitch.to_i
|
|
end
|
|
end
|