
Finally, the earbuds and headphones convert the electric current from the electronic circuit and scanning laser to sound. Then, the laser light reflects off the pattern of pits (etched bumps on the CD surface) and land ( flat unburned area). The semiconductor diode laser switches the laser beam on and scans along the tracks to read the data. When you insert the disc and press play, the electric motor powers up and spins the CD at a speed of about 500 rotations per minute. They also come with a small laser, known as a semiconductor diode laser, and a miniature photo-electric cell identified as a light detector. They use a round, shiny plastic (CD) and laser lights to record, read, or play the data stored in them.
Best portable cd players to use in my cars portable#
Portable CD players use optical technology and do not rely on magnetic or mechanical technology.


The transport is the mechanism that holds, spins, and reads the compact disc. They have two main parts: transport and digital-to-analog converter. They are purely designed for audio playback, unlike universal players like BluRay and DVD players. What is a CD player?ĬD players are devices that play audio CDs. Read our latest guide about the best bookshelf stereo systems. Yet, many started to drift back to them due to specific qualities that you won’t find in other products.

It momentarily made people forget about their CD players. However, the invention of MP3 players, iPods, and other music players reduced their sales. Three decades ago, the rise of portable CD players allowed us to listen to our favorite CDs whenever and wherever. Technology has given us endless options on how we can listen to music.
