When I was in middle school, the audio technology of the day utilized in classrooms were cassette tapes. Wow, have times changed! Today that technology has evolved to compact discs which have morphed into mp3's. The technology of sound has evolved from a tangible item such as a tape or cd to information only. In the past the school would have to purchase the player and either the tapes or disks and figure out how to store these items. Now, most computers purchased already have an mp3 player installed and the audio piece only needs to be downloaded from the internet and can be stored on either a network or on the computer itself.
Video technologies have not avoided the wrath of evolution either. During my middle school years the video technology of the day was VHS tapes. That seems like it was a lifetime ago with those cassette tapes. Today we utilize dvd's, blu-ray discs, or just stream videos from the internet. The evolution story of video parallels the story of audio technology. Video went from tapes to dvd, to blu-ray, and instant download for play on either your computer, mp3 player, or smart television. As technology in general evolves, audio and visual will change in tandem. The only thing for certain in the future, is change.
