Arie Kleingeld PA3A wrote:

But if the NR is only for further de-noising already good signals...
then I set my expectations are too high. Please tell me I'm wrong here.

If you could come up with a good algorithm for de-noising moderate to very noisy speech, you could make a fortune in the hearing aid industry. I suspect that is where most research has been done on the topic.

In the limit, you are competing with a device that is already rather good at the job, the human brain.

--
David Woolley
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