module WavTool
Public Instance Methods
ogg_to_wav(oggfile, wavfile=oggfile.sub(/\.ogg$/,'.wav')) { |oggfile| ... }
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# File lib/v2av.rb, line 44 def ogg_to_wav(oggfile, wavfile=oggfile.sub(/\.ogg$/,'.wav')) if block_given? then yield(oggfile) else `oggdec #{oggfile}` end end
wav_concat(files, save_file='audio.wav')
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# File lib/v2av.rb, line 29 def wav_concat(files, save_file='audio.wav') Writer.new(save_file, Format.new(:stereo, :pcm_16, 22050)) do |writer| files.each do |file_name| Reader.new(file_name).each_buffer(samples_per_buffer=4096) do |buffer| writer.write(buffer) end end end end
wav_silence(filename, duration: 1)
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# File lib/v2av.rb, line 18 def wav_silence(filename, duration: 1) square_cycle = [0] * 100 * duration buffer = Buffer.new(square_cycle, Format.new(:mono, :float, 44100)) Writer.new(filename, Format.new(:mono, :pcm_16, 22050)) do |writer| 220.times { writer.write(buffer) } end end