by Noel's Retro Lab

This episode is sponsored by PCBWay https://www.pcbway.com

There are many ways to add an audio-in jack to an Amstrad CPC 464, but what's the best way to do that? Let's dig deep into how the cassette sound data is processed and amplified and find out. Then we'll be able to load any file from an updated TZXDuino Reloaded or even any smartphone or tablet.

To wrap things up, I try to answer one of the unanswered questions I had about the Amstrad: How exactly are we hearing the tape loading sound?

Chapters:
00:00 Intro
01:09 Building a TZXDuino
04:41 MAXDuino firmware
06:41 Cassette sound data
07:52 Best place for audio in
11:04 No sound!
13:48 Audio connector
15:32 Remote signal
18:18 Loading from iPad
20:57 New audio in connection
22:35 Cassette loading sound
27:46 Conclusion

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