a laser.
on the cd there are millions of pits. (peaks and valleys)
the laser reads these pits SUPER FAST and creates the sound from this digital information (0's and 1's, On's and Off's)
the "tracks" are laid out very similar to a vinyl record...one long track going around and around and getting larger as it goes. goes opposite from a record, inside to outside or cd.
An optical audio cable is used to transmit digital audio (AC-3) signal from the source to the receiver, such as from a DVD player to a digital audio amplifier/receiver. You can transmit 5.1 dolby digital or DTS surround sound with an optical audio cable, same as digital coaxial audio cable.
An audio file is a type of computer file that stores digital sound recordings. Audio files can be played back on a computer or other digital audio player. They are often used to store music, but can also be used to store other types of sound recordings, such as speeches or interviews.
An audio spectrum analyzer is used to analyze sound waves. Basically, those lines you see when you listen to songs on windows media player constitute an audio spectrum analyzer. It breaks down sound waves and displays the spectrum visually.
Creative labs is an excellent sound card when you are looking for audio editing which is great for a more professional look with it comes to the audio.
Audio input, microphone
Digital Audio Dg port 10
A default player for audio is the application that will automatically be used to play audio files when you click on the file's icon or a link to an audio file in a browser.
Audio Amplifier
A Creative Sound Blaster is used for audio purposes. It helps users experience the ultimate sound quality in games, music and films. It offers a full range of quality audio cards and accessories.
Audio Analyzers are instruments that test and measure instrument audio performance. They are used as a way to measure the quality and sound of a specific instrument.
A moter
Audio software is software designed for working, in some way, with sound files. Examples of audio software include software that allows you to accomplish digital audio extraction (DAE) on Audio CDs, software which allows you to edit sound files to remove pops and clicks, software which allows you to play sound files on your computer speakers, and software which allows you to convert sound files from one format (e.g. WAV or AIFF) to another (e.g. MP3 or FLAC). Generally, audio software is for working with sound files on a computer.