[forthefuture]

Depends on how good you're talking. Chrome supports the SpeechRecognition API.

https://developer.mozilla.org/en-US/docs/Web/API/SpeechRecog...

[dresaj8]

i'm more thinking of ways to programmatically turn long audio files into indexable text.

[skykooler]

Julius[1] can do this. But the accuracy depends on the language model you are using, and unfortunately the free English language model (VoxForge) is not the best.

[1] http://julius.osdn.jp/en_index.php

[nattaylor]

I'm unaware of a ML-based solution, but GCE has an endpoint that _can_ do this, though it is better at short sentences.