Pronunciation exercises: ĉ vs ŝ

Ĉ sounds /t͡ʃ/ and Ŝ sounds /ʃ/.

The difference between /ʃ/ and /t͡ʃ/ is that /ʃ/ is fricative and /t͡ʃ/ is affricate. A fricative sound can last a long time as in shhhh /ʃʃʃʃʃ/ (in this case we have a flow of air). An affricate sound is short, even if it ends in a fricative. In the case of /t͡ʃ/ we have a puff of air.

/t͡ʃ/ in English and Ŝ in Esperanto

 * ŝanĝi (change)