Some DVD-authoring programs use an M2A file along with the M2V file, which is a MPEG-1 Layer 2 Audio file.
Ụfọdụ mmemme eji DVD eme ihe nwere ike iji faịlụ M2A tinyere faịlụ M2V, nke bụ MPEG-1 Layer 2 Audio faịlụ.