Help
Guides and answers
Start with the topic closest to what you're doing. If none of it fits, write to us — a person answers.
Which files can I upload?
Every supported audio and video format, and what to expect from each.
Read more →Getting speaker labels right
How diarization works, when it struggles, and how to improve results.
Read more →Exporting subtitles
SRT, VTT, and ASS files, or subtitles burned into the video.
Read more →Using the meeting bot
Inviting the bot to Zoom, Meet, and Teams, and what participants see.
Read more →API basics
Sending a file, reading the response, and what the rate includes.
Read more →Plans and billing
What unlimited covers, how pay-as-you-go works, and cancellation.
Read more →
Getting better results
Most accuracy problems are recording problems. These four things matter more than any setting.
Put the microphone near the talking
A phone across the table picks up more room than voice. Nothing in the pipeline recovers what the microphone never captured.
Record each participant separately when you can
Per-participant tracks make speaker labels dramatically more reliable than a single mixed recording.
Check the first two minutes
If names and jargon come through correctly at the start, the rest of the file usually holds up.
Prefer WAV or FLAC for important recordings
Uncompressed audio has nothing thrown away, and it transcribes measurably better than a low-bitrate MP3.
Not covered here?
Write to hello@numupro.com. Paid plans get priority, and Business plans have a four-hour target during working hours.
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