shift_labels

Shifts Audacity labels by a (possibly negative) offset.

 Usage: shift_labels.py [OPTIONS] INPUT_FILENAME OFFSET

 Command-line interface that reads an Audacity label file, shifts the labels by the
 given offset, and prints the result to standard output.

╭─ Arguments ──────────────────────────────────────────────────────────────────╮
│ *    input_filename      TEXT   File containing audacity labels or a column  │
│                                 of numbers                                   │
│                                 [default: None]                              │
│                                 [required]                                   │
│ *    offset              FLOAT  Offset by which to shift the labels          │
│                                 [default: None]                              │
│                                 [required]                                   │
╰──────────────────────────────────────────────────────────────────────────────╯
╭─ Options ────────────────────────────────────────────────────────────────────╮
│ --help          Show this message and exit.                                  │
╰──────────────────────────────────────────────────────────────────────────────╯

Example invocation (I want to shift labels by .3 seconds)

shift_labels.py labels.txt .3 > new_labels.txt

Note: To protect a negative offset from being interpreted as an invalid option, you need to precede it by --, e.g.:

shift_labels.py labels.txt -- -.3 > new_labels.txt

See also

rebuildap, beats2bars, quantize_labels, pyaudacity

To Do

• quantize labels to a given beat track