So this random guy emailed me asking for help converting his old cassette tape of Adventure Creator games that he created. I can convert disk files all day, but have never tried converting files from cassette — it seemed like an interesting challenge so I said I'd try to help.
But now I'm stuck and need some help from someone who knows more about this.
He can't actually find the cassette - he sent me a WAV file that he made years ago from the cassette. I want to convert that to CAS format to use with Atari800MacX. I installed a8cas-tools and it failed on a ton of blocks. In audacity, I noticed the audio level looked really low. After I used the amplify effect to bump the levels, there were fewer a8cas convert errors, but still too many. I also tried playing with header-length and bit-deviation in a8cas-convert, that didn't help.
So - does someone with more experience care to give it a go? He'd like to re-play his games and I'd like to learn more about the process. The audio files are available here: https://dl.dropboxusercontent.com/u/2773071/AdventureCreator.zip (64MB ZIP file containing 4 WAV files.)