-- | An empty audio file, of zero length.
silence :: (KnownNat r, KnownNat c) => Audio r c
silence = let res = Audio $ Silence (sampleRate res) (channels res) in res
silence :: (KnownNat r, KnownNat c) => Audio r c
silence = let res = Audio $ Silence (sampleRate res) (channels res) in res
silence = let res = Audio $ Silence (sampleRate res) (channels res) in res