Scissor

Description

utility to chop sound files

supported file format:

rake install

gem update --system
gem install gemcutter
gem tumble
gem install scissor

When you concatenate two or more files, format(sample rate, bit rate, …) mismatch causes unexpected changes to output file.

foo = Scissor('foo.mp3')
bar = Scissor('bar.wav')

foo = Scissor('http://example.com/foo.mp3')
bar = Scissor('http://example.org/bar.wav')

foo + bar > 'foobar.mp3'

foo[10, 1] + bar[2, 3] > 'slicefoobar.mp3'

(foo[10, 1] + bar[2, 3]) * 4 > 'slicefoobarloop.mp3'

(Scissor('sequence.mp3') / 16).first.to_file('split.mp3')

foo.replace(0, 10, Scissor.silence(30)).to_file('replace.mp3')

seq = Scissor.sequence('x y  xyz', 0.2)
seq.apply(:x => foo, :y => Proc.new { bar }, :z => foo.reverse) * 4 > 'sequence.wav'

foo.pitch(50)

foo.stretch(200)

foo.pan(0)   # left only
foo.pan(50)  # center(default)
foo.pan(100) # right only

Scissor.mix([foo, bar], 'mix.mp3')