>Music has to be in ogg, regular sound files have to be in wav. I'm terrible sorry, I got myself confused. It can be in 32 or 16 bit, the only restriction is that it has to be mono, not stereo.
Audacity loads the flv sound in stereo format(Left and right channel). Likely, it saves the wav in stereo format. So, that's why nexus is crashing. I have to convert it to wav mono format. Do you know how in Audacity?