For slower tempos, there can be gaps in the audio, although some slice players synthesize audio to fill the gaps in. But if the new tempo is faster, than the slice player fades out or "smudges" the end of the audio before the next slice is to be played, since the new slice starts playing before the current slices gets done playing at faster tempos. In our example, if the new tempo setting is 120bpm, then each slice gets played right at it's original place. Basically a slice player plays each "slice" that is, the audio starting at a marker and lasting until the next marker, at the time it is supposed to be played depending on the new tempo setting. Let's say the audio is a drum beat that lasts 4 bars, at 4/4, at 120bpm. Take a rhythmic piece of audio, and place markers at the start of every energy burst that is, when a kick drum hits, or a snare drum cracks, etc. Although nowadays pitch-changing DSP and formant-shifting is much more advanced than it used to be, it's nice to have a technique that doesn't even touch the audio that's what slice files do. A "Slice File" (our term) is a unique and inventive way to play back audio at different tempos without changing the pitch.
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