The first MP3 player, MPMan F10, was invented in 1998. It was made by a Korean company, Saehan Information Systems, and officially launched in March 1998.
Measuring around 91 mm by 70 mm by 165.5 mm, MPMan F10 had a flash storage capacity of 32 MB. This was sufficient for songs that were encoded at 128 Kb/s. It had a tiny LCD on its front to show what songs were played.
The PMP300, which is mistakenly identified by some as the first MP3 player, was only invented after MPMan F10. It was released by Diamond Multimedia Rio. The person who was instrumental in inventing the MP3 format is Karlheinz Brandenburg.Learn More
To build a 12-inch subwoofer box you need three-quarter-inch medium-density fiberboard, 2-inch drywall screws and either half-inch or three-quarter-inch panhead sheet metal screws. Other materials and tools that are required include carpenter's glue, a jigsaw saw, an electric drill, silicon caulk, non-hardening rope caulk and a speaker terminal cup. Most importantly, a subwoofer of the appropriate size is also required.Full Answer >
The life of an Energizer battery, just like any battery, depends on the device in which it is being used. According to a science experiment done by Energy Quest, Energizer batteries last longer than both Eveready and Duracell.Full Answer >
There is no single equalizer setting well-suited for every recording. Using a real-time analyzer users are able to adjust an equalizer to match preset patterns associated with ideal sound quality. However, the superiority of one setting over another is partly subjective and varies according to the characteristics of the recording, playback equipment and other factors.Full Answer >
When referring to speakers, RMS stands for root mean square. It is a method used to calculate the power output of speakers for a given amount of time.Full Answer >