[D] SVC/RVC tips for inferencing low quality audio?

Please let me know if there is a better sub for this!

I trained a local voice model of my father, who recently passed away. He was a musician, and I found a handful of songs he had recorded in the 80's. Unfortunately but I only have a copy coming from an audio cassette, which I've digitized. There may be a copy on open reel somewhere in our basement but I haven't found it so far.

Any, because dad was …

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