The difference between er_audio_track and er_layer_audio() is that an er_audio_track will continue to play across multiple clips and can start and stop whenever needed.
Arguments
- path
string: path to audio file
- cut_from
numeric: time value to cut from, in seconds
- cut_to
numeric: time value to cut to, in seconds
- start
numeric: how many seconds into the video should this audio track start? (default = 0)
- mix_volume
numeric: relative volume when mixing this video's audio track with others (default = 1)