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The Daily Insight

What kind of data does an audio CD contain?

Author

David Jones

Published Apr 23, 2026

What kind of data does an audio CD contain?

Audio CDs are designed for one purpose: audio. They contain raw, uncompressed data, in a very fixed format: 44,000 samples per second, with each sample consisting of a 16-bit (2- byte) number for each of the right and left channels. If you do the math, that’s 176,000 bytes per second, or 633,600,000 bytes for an entire hour of audio.

What kind of software do I need to make an audio CD?

If you want to create an audio CD that will work in regular CD players, you’ll need to use audio CD burning software. I happen to use Roxio’s Easy CD Creator. This automatically decompresses my MP3 files to the correct format for audio CDs.

What should I use to burn my audio CDs?

I happen to use Roxio’s Easy CD Creator. This automatically decompresses my MP3 files to the correct format for audio CDs. The trick is simply to select Roxio’s “Music Disc Creator” program and click the Audio CD option as the type of CD you want to create. Other CD burning software will have similar options.

What is the default audio device on my computer?

The default audio playback device is the device that Windows uses to output (play) sound. This can be speakers, headphones, Bluetooth headset, or other audio devices connected or built-in to your computer.

How to make a speaker using CD at home?

DIY : Learn how to make a speaker using CD, neodymium magnet and copper wire, Its very simple homemade speaker show how it works. Let’s check it out website… DIY : Learn how to make a speaker using CD, neodymium magnet and copper wire, Its very simple homemade speaker show how it works.

How many bytes per second does a CD Take?

CD audio uses a sample rate of 44.1 kHz and for stereo audio this requires 176,400 bytes per second (or 1,411,200 bits per second – there are 8 bits per byte) of data storage. This equates to about 10.09MB per minute of audio in CDA format. So how do 700MB CD-R discs…

Which is the best format for an audio CD?

When creating an audio CD the best source format to use is a WAV file (MP3s are always compressed from CD audio quality to some extent).

Is there such a thing as an audio CD?

Frequently Asked Questions. he audio CD format is typically referred to as a CDA file (.cda). In truth there are no such things as CDA files as they are just created by the operating system to show representations of the audio tracks on a CD, however for convenience sake we will refer to CDA files in this help article.