I had to put the very first demo version of ML (to 1.1.2), on which I worked so far. The only way I was able to fix the problem with the sound.
ML version (to 1.1.2) of your archive has the same problem as the ML version (to 1.1.3): when you turn on the camera when the video has no sound recording. Audio recording appears only after entry / exit MENU or browsing
ML version (to 1.1.2) of your archive has the same problem as the ML version (to 1.1.3): when you turn on the camera when the video has no sound recording. Audio recording appears only after entry / exit MENU or browsing