What Windsurf does with a Markdown file, and where an audio recording fits

Windsurf takes Markdown through an at-mention of the file, or a workspace folder the assistant has been allowed to read, and that is the door this page is about. The question worth asking is what an audio recording looks like by the time it arrives, because Windsurf never sees the recording itself. It sees whatever the conversion handed over, and nothing else.

Windsurf reads the heading tree to decide which part of a long file to load. What comes out of an audio recording here is the speech as punctuated paragraphs, cut where the speaker actually stopped, so the structure Windsurf is looking for is actually present instead of merely implied. That is the entire trick, and there is nothing clever underneath it.

What survives from an audio recording into Windsurf

The conversion drops silence, room tone, and the stretches where nobody says anything at all before Windsurf ever sees them, because none of it carries meaning into Windsurf and all of it costs something. What it keeps is the part you would otherwise have retyped by hand.

• The words come through punctuated, which is most of the work, and Windsurf receives it as structure rather than as something to infer.
• The breaks between turns of speech are kept, so a handover is visible, which is the part Windsurf would otherwise have to reconstruct on its own.
• Figures said out loud are written as digits rather than spelled out, so nothing downstream of Windsurf has to guess at it.

What Windsurf never gets back from an audio recording

Every conversion costs something, and a page listing only the gains is a sales page. Here is what an audio recording gives up on the way to Windsurf, stated plainly enough that you can decide against it.

• Tone, emphasis and hesitation are gone, and they often carried the meaning, and Windsurf will not get it back from anywhere.
• Speaker names are not attached, because nothing in the audio declares them, so nothing you build in Windsurf should depend on it.
• The recording itself is not kept, so the transcript is all there is afterwards, which is a real cost inside Windsurf and not a rounding error.

The Audio to Markdown step behind this Windsurf page was measured

Groq does the conversion, and it was proven end to end on 30 August 2026: a recording made for the occasion, never transcribed anywhere before, came back with its witness word and its figure, split into two turns of speech. That is one run on one day and not an average, which is exactly why the date travels with the claim instead of being left out of it. The same output is what Windsurf would have received.

A crowded room and a cheap microphone cost accuracy, and nothing in the output marks which words were guessed. Windsurf has no way of telling you any of that from the inside, so it gets said here instead, on the page that sent you there.

Once the recording is Markdown, what to do inside Windsurf

With the Markdown in hand, split a long conversion into several files named after their sections. That is a Windsurf habit rather than a conversion setting, and it is where most of the value of converting an audio recording in the first place actually lands.

The constraint worth knowing before you start: the assistant loads part of a file, and which part it loads is not something you choose. It bites the same way whether the Markdown came out of an audio recording or out of something else entirely, but it bites hardest on long documents, which is what an audio recording usually is.

What we will not pretend about Audio in Windsurf

• Windsurf will not tell you which portion of the file it actually read, and converting an audio recording first does not change that in the slightest.
• one very long file gets loaded partially and answered from confidently, which is a Windsurf behaviour rather than anything the recording conversion did.
• The conversion costs half a credit and the price is shown before the recording is sent, whether the Markdown ends up in Windsurf or nowhere at all.