Transcription not accessible on Voice Memos

Both my iPad and iPhone are running ios 18.3.1 - some of my voice memos show Transcribe when I hit the 3 dots and others don't. All recorded this week when I realized transcribe was available. Why??? Can't find any way to get the transcribe option for some of these.

For a visual look at your recorded audio, open your voice memo page: then after selecting said trac just press the highlighted quotation marks in the air bubble and you will see the closest representation of your audio there.

I don't know what to tell you. It works exactly as described for me.

Make sure your phone is updated to iOS 18.0.1.

Thank you, Peter.