Guides & Insights
How to prepare audio for better transcription
Practical recording steps that can improve transcript quality before submitting audio or video.
Transcription quality begins before the file is uploaded. Clearer source audio gives the workflow more reliable speech to work with.
No preparation method guarantees a perfect transcript, but simple choices can reduce avoidable errors.
1. Put microphones closer to speakers
A nearby microphone usually captures clearer speech than a distant room microphone. Where possible, place the device where voices are stronger than room noise.
2. Reduce background noise
Common problems:
- traffic;
- ventilation;
- music;
- typing;
- background conversations;
- echo.
You do not need a studio. You do need speech that is reasonably distinguishable from the background.
3. Avoid overlapping speech where possible
When several people speak at once, both words and speaker segmentation are harder to interpret. In meetings, encourage one person to finish before another starts when practical.
4. Use the clearest source file
If you have the original recording and a heavily re-compressed copy, use the clearer supported source. Do not convert repeatedly without a reason.
5. Check a short section before a long job
Listen for:
- understandable speakers;
- distortion;
- extremely low level;
- persistent clipping or noise.
Finding bad source audio before a long transcription saves time.
6. Understand speaker detection
Speaker detection can segment voices. It does not automatically know real-world names. Treat Speaker 1, Speaker 2 and similar labels as technical segments until identity is verified.
7. Submit once and review
After completion, review names, numbers, dates and important decisions against the recording.
Practical checklist
- Clear source audio.
- Reasonable microphone distance.
- Lower background noise.
- Minimal overlapping speech where possible.
- Supported input format.
- Manual review of important output.
For tool instructions, see /help/transcribe.