Rather than placing 9 settings on one clip, have you tried pulling the clip into Compressor 9 times and assigning a different setting to each. It’s not as elegant, but worth a try if you haven’t already tried this. I’ve used Squeeze for years – currently have 5 – and will upgrade next week to 6. I don’t know for sure if it uses multiple cores, but it’s very fast. Check their website.. They claim 6 is 5x faster than 5.
John
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