Basic workflow

1. Drop a file onto the drop zone (or click Choose File…). Supported formats: WAV, MP3, M4A, AIFF, FLAC, CAF.
2. The waveform appears at the bottom of the window. Trim the recording if needed (see below).
3. Fill in the Info tags on the right if you want them embedded in the MP3.
4. Add Chapter markers if needed.
5. Click Process → to run. The output file is saved next to the original.

Waveform & trimming

The waveform panel at the bottom shows the full recording. Two orange handles mark the trim-in (start) and trim-out (end) — only audio between them is processed. This is useful for cutting mic noise before the service starts and dead air at the end.

Setting trim points

• Drag the orange handles directly on the waveform.
• Or click to position the playhead, then click Set In or Set Out to snap the nearest handle to the playhead.

Playback

• Click anywhere on the waveform to jump to that position.
• Press Space to play/pause (works unless a text field is focused).
• The golden playhead line shows the current position.

Zooming in for precision

• Pinch on the trackpad to zoom in — the waveform shows higher detail as you zoom.
• The scrollbar below the waveform appears when zoomed; drag it to pan, or use the trackpad scroll wheel.
• Double-click the waveform to zoom back out to full view.

Processing options

Info tags (right panel → Info tab)

These fields are embedded in the MP3 as ID3 tags and are used to build the output filename automatically.

Output filename is built automatically from the tags:

YYYY-MM-DD Sermon Title, Bible Reading | Preacher | Series.mp3

If no tags are filled in, the file is named <original>_dechaff.mp3.

Chapter markers (right panel → Chapters tab)

Chapters appear as purple lines on the waveform and as a navigable chapter list in podcast apps.

Adding chapters

• Click + in the Chapters tab. The first chapter is pre-labelled Bible Reading and the second Sermon, using the text from the Info fields if filled in.
• Chapter times default to 1-minute intervals — adjust them after adding.

Editing chapters

• Drag a purple marker on the waveform to reposition it. The playhead follows and the time updates in the table.
• Click the time field in the table and type a time directly (format: m:ss or h:mm:ss).
• Click the title field to rename a chapter.
• Click the × button to delete a chapter.

Chapters are stored in output time — that is, relative to the trim-in point. A chapter at 0:00 plays at the very start of the trimmed recording, regardless of where the trim-in handle sits on the original file.

Output file

The processed file is saved in the same folder as the original. When processing finishes, a green bar shows the filename with a Reveal in Finder button.

To process another file, simply drop it onto the drop zone or the waveform area — the window resets automatically.

Tips

• Long recordings: Zoom into the waveform at the start and end to place trim handles precisely rather than guessing.
• Shorten silences: Start with 1.0 s and listen to the result — too short can make the delivery feel rushed.
• Series field: This is the only field that persists between sessions, since series titles typically span many recordings. Fill in the others fresh each week.
• Chapter timing: If you're not sure where a section starts, play the recording and press Set In / Set Out to mark points on the fly, then convert those to chapter positions by dragging the markers.

Podcast page posting format

• Embed youtube video
• Audio object
  • Embed tab
    • Upload MP3
    • Title: Sermon Title, Reading Reference
    • Author/Artist: Preacher
  • Podcasting tab
    • Title: Sermon Title, Reading Reference | Preacher
    • *Subtitle: *Series
    • Summary:

    <h2>Title</h2>
    <p>Preacher: Preacher</p>
    <p>Date: DD/MM/YYYY</p>
    <p>Series: Series</p>
    <p>Reading: Reading Ref</p>
    <p>Description</p>

    • Episode Duration: Duration of mp3
• Description