| While storing data in your MP3 player, you seldom stop | | | | file and then a digital-to-analog converter will change |
| to find how files are saved in the player's memory. | | | | the bytes back into sound waves. |
| The different types of memory types include internal | | | | After boosting the strength, the amplifier sends the |
| flash memory, Compact Flash cards, Smart Media | | | | signal to the audio port, which is connected to a pair of |
| cards, Memory Stick and internal micro drive. | | | | headphones. |
| Except for internal micro drive, all of the above | | | | MP3 players are portable and battery-powered. Most |
| mentioned are 'solid-state' memory types in which | | | | of them use one or two AA batteries that last for |
| there are no moving parts. This enables better reliability | | | | about 10 to 12 hours on a single charge. Many players |
| and no skips while you are enjoying the music. There | | | | are equipped with AC adapters and can be plugged |
| are tiny hard disk drives in MP3 players which have | | | | into a normal electrical outlet and some even offer DC |
| capacity to store 10 to 150 times more date compared | | | | adapters for use in a car. |
| to flash memory devices. | | | | Minidisk technology comes to music listeners in a new |
| In any MP3 player, the microprocessor is the brains of | | | | and improved line of Minidisk Walkman digital music |
| the system, monitoring user input through playback | | | | players. A 1 GB disc is provided by Hi-MD technology |
| controls, displaying all the statistics related to the song | | | | to give users up to 45 hours of music. Those looking |
| playing on the LCD panel and sending instructions to | | | | for a player that can store their entire music collection |
| the DSP chip that tells exactly how to process the | | | | would find the hard drive ideally suited for the purpose. |
| audio. | | | | These discs can also store and transfer many PC |
| The DSP withdraws the data of songs from memory, | | | | data files to enable PowerPoint presentations, |
| through application of special effects, or EQ, and | | | | spreadsheets, etc. and depending on the model, it could |
| streams it to the amplifier. A decompression algorithm | | | | allow 30 to 50 hours of playtime on a single AA |
| run by the DSP will undo the compression of the MP3 | | | | battery. |