class AudioStream::Decibel
Public Class Methods
create(val)
click to toggle source
# File lib/audio_stream/decibel.rb, line 24 def self.create(val) if self===val val else new(db: val.to_f) end end
db(db)
click to toggle source
# File lib/audio_stream/decibel.rb, line 16 def self.db(db) new(db: db) end
mag(mag)
click to toggle source
# File lib/audio_stream/decibel.rb, line 20 def self.mag(mag) new(mag: mag) end
new(db: nil, mag: nil)
click to toggle source
# File lib/audio_stream/decibel.rb, line 3 def initialize(db: nil, mag: nil) @db = db @mag = mag end
Public Instance Methods
db()
click to toggle source
# File lib/audio_stream/decibel.rb, line 8 def db @db || 20 * Math.log10(@mag) end
mag()
click to toggle source
# File lib/audio_stream/decibel.rb, line 12 def mag @mag || 10 ** (@db / 20.0) end