No sound on Debian_8 with TDE_R14

Hello, I just tryed to install TDE R14 on my new notepad (Lenovo G50-70). All worked with the base desktop (Gnome) but when i installed an used TDE, it can't play any sound with ARTS. I don't know how to correct it. The sound card is working in other DE, the kernel module should be OK. I think there a config file to edit or something to do but i don't know what i should do. I request your help. I really want to use TDE. Thanks for your help. Nicolas D.