Here is an American English pronunciation video that you are encouraged to watch and pronounce along with 2-3 times. After you finish, please use the comments section below to identify what you learned and how you feel about the educational video.
American English Pronunciation
Learn American English Pronunciation
As I understand the ”J ” sound is a voiced sound because you use your voice to make the sound. The ”CH ” sound is a voiceless or unvoiced sound because the vocal cords do not vibrate when you make the sound.