Song offset

Song offset is a per-song timecode correction. It shifts the displayed and broadcast timecode by a fixed number of seconds for that song only, relative to the audio file's own embedded timecode or its position in the audio.

When to use song offset

Use song offset when:

The timecode in the audio file starts at an unexpected SMPTE address and you need it to start at a specific address for that song
A song's timecode needs a one-off correction that should not affect any other song in the setlist
You received a new version of an audio file where the timecode has shifted slightly

Song offset is measured in seconds. The global offset in Settings is measured in frames. They serve different purposes — song offset is for per-song corrections; global offset is for a consistent show-wide shift applied to every song.

Setting the offset

Click the offset field on the song card (shown as Offset: Xs when set) or open per-song settings. Enter the offset value in seconds. Positive values shift the output timecode later relative to the audio; negative values shift it earlier.

Example

If an audio file's embedded LTC begins at 01:00:00:00 but you need the cue to start at 01:00:05:00, set a song offset of +5 seconds. The output timecode will read 5 seconds ahead of what is in the file.

Clearing the offset

Click the × next to the offset value to remove the per-song offset. LTCast reverts to the global offset for that song when it next loads.

Interaction with global offset

When a song is active and has a per-song offset set, the global offset is suspended for the duration of that song. As soon as the next song loads, the global offset resumes. The two offsets do not stack — per-song offset replaces global offset, it does not add to it.

Song offset badge

When a per-song offset is set, a small badge on the song card shows the value. This lets you see at a glance during a show which songs have timecode corrections applied without opening settings.

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