How to Pronounce Can vs. Can't -- American English Accent

The video tutorial explains the pronunciation differences between 'can' and 'can't' in American English. It highlights the unreleased final T sound in everyday speech and the nasal N sound in N'T contractions. The tutorial provides a detailed comparison of 'can' and 'can't', focusing on the length and abruptness of the sounds. It also discusses the reduction of 'can' to a schwa sound and provides sentence examples to illustrate these differences. Tips are given to help listeners distinguish between the two words based on sound and vowel changes.

In the example sentences provided, how does the speaker indicate the difference in meaning between 'I can' and 'I can't'?

Why is it important to listen for the length and smoothness of the words 'can' and 'can't'?