Gapless playback on Mac: fixing gaps between tracks
Last updated June 2026
Gaps between tracks happen when a player inserts a short silence while it closes one file and opens the next, or re-negotiates the audio device between songs. True gapless playback decodes the next track ahead of time and streams it with a sample-accurate join — so live albums, concept records, classical works and DJ mixes play as one continuous piece. Here’s what causes the gaps and how BitMuse avoids them.
What causes gaps
- File handoff delay — the player finishes one file, then opens and buffers the next, leaving a fraction of a second of silence.
- Device re-negotiation — some players reset the audio device or sample rate between tracks, which inserts an audible pause.
- Encoder padding — lossy formats like MP3 and AAC add small silences at the start/end of files; a good player skips this padding.
- No CUE support — single-file albums split by a CUE sheet break into gaps if the player doesn’t read the CUE.
How BitMuse plays gapless
BitMuse pre-decodes the next track into a buffer before the current one ends and joins them with a sample-accurate transition — no silence, no device reset. It reads CUE sheets so a single continuous file (a live set or mix) plays as separate tracks without any gap, and it handles encoder padding on lossy formats. Optional crossfade is available when you want a smooth blend instead of a hard join.
FAQ
Why are there gaps between my tracks?
The player inserts silence while closing one file and opening the next, or re-negotiates the device. A gapless player decodes ahead and streams without a break.
Does Apple Music play gapless?
Often, but inconsistently with local files and mixed formats, and with no CUE support. A dedicated player gives reliable sample-accurate gapless.
What is a CUE sheet?
A text file defining track boundaries inside one continuous audio file (live albums, DJ mixes). Gapless players use it to split tracks without breaking the audio.
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