class AudioStream::Fx::AGain
Public Class Methods
new(level:)
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@param level [AudioStream::Decibel] Amplification level
# File lib/audio_stream/fx/a_gain.rb, line 5 def initialize(level:) if Decibel===level @level = level.mag else @level = Decibel.db(level).mag end end
Public Instance Methods
process(input)
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# File lib/audio_stream/fx/a_gain.rb, line 13 def process(input) return input if @level==1.0 streams = input.streams.map {|stream| stream * @level } Buffer.new(*streams) end