Unexpected Welsh Language Output from English Audio Inputs?

Thread with 90 replies:

The prompt format is not described as instructions to the AI, but the text transcript that leads up to the point of audio transcription.

Try a different prompt format, as that’s the only straightforward method.

“Hi, I’m Joe, a native English speaker and today I’ll be having an English language conversation on a topic you might find quite interesting.”

Another technique is a warm-up script joined to the audio; 5 seconds of a speaker’s clear speech, always transcribed correctly, so it can be removed by your software transcription processor.