haha... now that you mention it I should have picked an "error" type of sound to indicate you messed up. But happy that the same sound works for you!
I guess, a couple hints I could give: try jumping a little bit earlier than you think; my guy has a high jump... didn't have time to fine-tune it more. I also find it helps to adjust his movement while in the air backwards if you don't want your jump to be too long. Similarly, (you may not have reached those places yet), when crouching and you need to step from one moving platform to another, you have to start walking off the platform you're on a little bit sooner, even if you think you might fall; you won't...
Thanks for playing, much appreciated.