# MP3 edit and export log

- Untouched source filename:
- Project filename:
- Purpose and recipient requirements:
- Source duration, sample rate, channels:
- Keep timeline timing or close removed gaps:

## Edits (use times from the untouched source)

| Source start | Source end | Keep/remove/silence | Reason | Join reviewed | Result |
|---|---|---|---|---|---|
| | | | | | |
| | | | | | |
| | | | | | |

Apply from the end backward or maintain stable labels so earlier edits do not invalidate later timestamps.

## Export

- Intended range (whole project or selection):
- Output filename:
- Format, sample rate, channel layout, bitrate/quality:
- Final duration:
- First word and last word complete:
- Every changed join checked in context:
- No unexpected silence, overlap or missing passage:
- Opened in another player:
- Filename matches the approved revision:
- Editable project and original retained:

The guide's measured synthetic-speech example changes 19.920 seconds to 8.738 seconds by retaining two sentences and a half-second gap. See [measurement notes](media-editing-measurements.md) for source sample ranges and file checks. Choose boundaries in your own recording by listening, not by copying these timestamps.