Keep one excerpt
Use the general trimmer for several formats or MP3 Cutter for an MP3-only quotation workflow.
Edit
Audio editing and level tools
Each editing operation changes a different property. Trimming keeps one time range, merging plays files sequentially, fixed gain raises every sample, normalization works toward a measured loudness target, and speed changing alters duration while aiming to preserve pitch. Pick the operation first so a convenient preset does not solve the wrong problem.
Match the operation to the problem
Assemble recordings
Merge files end to end; this is not multitrack mixing, a crossfade editor or automatic level matching.
Change how it is heard
Choose fixed gain, loudness normalization or speed changing according to the audible problem.
Trim, join, change speed or adjust level with clear boundaries between cutting, merging, gain and loudness.
Before editing
- Keep the source so timestamps and settings can be revised.
- Listen at every cut or join rather than checking only duration.
- Expect re-encoding when formats or effects change.
- Do not treat louder, normalized and dynamically compressed as synonyms.