simpler prepare script for next gen offline audio
simpler prepare script for next gen offline audio

rfcx/rfcx-guardian-android,rfcx/rfcx-guardian-android,rfcx/rfcx-guardian-android,rfcx/rfcx-guardian-android,rfcx/rfcx-guardian-android,rfcx/rfcx-guardian-android,rfcx/rfcx-guardian-android,rfcx/rfcx-guardian-android,rfcx/rfcx-guardian-android