Phone : Asus Zenfone 2 ZE551ML on Android 5.0 (on Asus Launcher unmodified and not root)

Hello Mojang, I tried to add sounds on a ressource pack for an adventure map like but even after adding the sound on the "sound_definition" file with the model of the Java version (and sure copy this sound to the good folder) but when I launch a new map with this ressource pack and using the good /playsound command, I can't ear the sound but it's write on the chat that the sound was played.