The DVD (common abbreviation for digital video disc or digital versatile disc)[9][10] is a digital optical disc data storage format. It was invented and developed in 1995 and first released
MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III)[4] is a coding format for digital audio developed largely by the Fraunhofer Society in Germany under the lead of Karlheinz Brandenburg.[11][12] It