Precise Gapless Playback
As opposed to heuristic techniques, what is often meant by precise gapless playback, is that playback timing is guaranteed to be identical to the source. By this definition, a precise gapless player is not allowed to introduce either gaps or overlaps (crossfading) between successive tracks, and is not allowed to use guesswork.
Apart from accounting for playback latency, the preciseness here lies in treating lossless data as-is, and removing the correct amount of padding from lossy data. This is not possible for all file formats.
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Famous quotes containing the word precise:
“The unlucky hand dealt to clear and precise writers is that people assume they are superficial and so do not go to any trouble in reading them: and the lucky hand dealt to unclear ones is that the reader does go to some trouble and then attributes the pleasure he experiences in his own zeal to them.”
—Friedrich Nietzsche (1844–1900)