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Sound Cards for your Homebuilt Computer


Creative Audigy Sound Blaster card for a computer

A computer's sound card converts digital data into analog sound that humans can hear.

Most sound cards can also accept analog data through the card's microphone and line inputs and convert it to digital formats, making things like home digital sound recording and VOIP communication possible. Many also have MIDI (Musical Instrument Digital Interface) ports for keyboards, synthesizers, and other digital musical instruments.

The first PC's had no sound card. They did have little tiny speakers through which users could hear the occasional beeps and alarms that the computers generated, but that was the extent of their sound systems.

Nowadays, computer sound cards, including those integrated on motherboards, tend to be quite good. For most people, a decent set of computer speakers will make a bigger difference than an add-on sound card in terms of the quality of sound their computers can produce.

There also are specialized sound cards for musicians that are designed to be used with professional studio recording software. But it's been years since I've built a computer for that purpose; so all I'll say is that if you're in that line of work, then you already know more than I do about all the latest goodies for people who make music for a living.


Choosing a Sound Card

When selecting a sound card for your homebuilt computer, the first question to ask yourself is whether you should bother with one at all. Even inexpensive motherboards usually have integrated (built-in) sound cards that are very decent and are good enough for the majority of users. You may want to just go with the integrated card, at least until you have a chance to hear it and decide if it's good enough for your needs. You can always add a sound card later.

If you're really into music, however, or if you're a gamer and you want to experience the full experience of your games, then you should think about the following factors:

Integrated Audio

As I mentioned previously, almost all motherboards come with integrated (built-in) sound. Depending on the quality and price range of the motherboard itself, on-board audio processors can range from good to excellent.

As with integrated peripherals, however, even if the motherboard you're thinking about has good sound, I suggest you make sure that it also has expansion slots. This is because in the event that the on-board audio fails, or in case you later decide to disable the on-board audio and upgrade to an higher-quality sound card, you'll need a slot to accommodate it.

Finally, as I stated before, bear in mind that most on-board audio cards are designed with Windows in mind. If you plan on installing a different operating system either as a sole OS or as part of a dual-boot or multi-boot system, make sure that the on-board sound will work with that OS before you spend any money on the board.

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