For the transcription feature, a crisp and clear recording with very minimal to no background noise is best.
While we do use the best transcription software in the business, Google, it is still not perfect. That is why we have the handy option of being able to edit your captions!
To see how to do this, check out this article: How To Edit Captions
Also, be aware our transcription feature cannot distinguish between multiple voices in a recording, so it may not transcribe well if your audio has many people talking at once.