> Blinding during interviews is obviously quite limiting – I probably wouldn't want to hire someone without having actually talked to them.

How about blinding during resume screening? Replace female or male names with a number or made up names. Phone screening even maybe, using some kind of audio processing. I have never heard of these companies using any such process.

Edit: Looks interviewing.io did such a process, here are the results – https://blog.interviewing.io/we-built-voice-modulation-to-ma...