hi i have bought recently iclone 7 and cartoon animator but i cant import audio...it says the files are too large( even though im only importing a few seconds...what can i use that is free to convert my audio files so i can import them?

A few-second audio file is too large?  That sounds strange.  (Pun intended.)

Three questions:
1) Which application is giving you this error?  iClone or CTA?  I'm pretty much assuming iClone since you posted in this forum, but it's best to check since you mentioned both.
2) What file format is the audio?
3) How exactly are you importing it?

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iClone 7... Character Creator... Substance Designer/Painter... Blender... Audacity...
Desktop (homebuilt) - Windows 10, Ryzen 9 3900x CPU, GTX 1080 GPU (8GB), 32GB RAM, Asus X570 Pro motherboard, 2TB SSD, terabytes of disk space, dual  monitors.
Laptop - Windows 10, MSI GS63VR STEALTH-252, 16GB RAM, GTX 1060 (6GB), 256GB SSD and 1TB HDD

i will try it again tonight but the fault is trying to import   mp3 and something else into iclone and crazytalk