Try RCS Works for a digital media computer (or playback) in the 1980's
Look at Wikipedia and also the definition off webcasting on wikipedia. One has to determine what you mean by player, playback, or portable, and what do you mean by portable. (Portable TVs can wait a bit, etc.) I'd also look (but this is not the first) for the history of Rio - one of the first popular portable media players. You also have to determine if you want a prototype, case study, patent, or if you want it manufactured, commercially and what would be the specs on that. Try the Consumer Electronics Associations Public Relations Department. Go to some portable media player sites. In Europe - digital radios - is this to you a portable media player happened a number of years ago - and was in the development for years. You may also want to check with the SBE or other engineering associations or the smithsonian. A company where I saw the first portable media player was Inka (?) I think that was then name in the mid-90s'
Every piece of data on the Coby MP610 Digital Media Player will go away. Permanently.
portable media player
Apple produces a number of products that are relevant to digital media. iTunes is a digital media player that is downloaded onto a computer and upload media too. iTunes allows the user to sort by genre, artist, and playlist. For media players that are more portable, try and iPod or iPad, which will also hold media, depending on the size of the product.
Might be "iTunes".
sounds like Windows Media Player
PNI Digital Media was created in 1995.
Digital Media Academy was created in 2002.
Digital Media Factory was created in 2004.
Jasubhai Digital Media was created in 2007.
This is a mechanism for controlling the copying, moving and deletion of digital media on a host device such as a personal computer or a digital player.
Digital media can be bad for the vision, but that depends on how much one is using digital media as opposed to traditional media. The eyes may become strained with digital media, often due to the need to focus and re-focus the eyes repeatedly.
A Vpak is a type of digital media that is embedded in a catalog or brochure. This is commonly a video or audio player.