Basic Introduction about Sound CardRelease Date:2015-11-13 15:50:21

Basic Introduction about Sound Card

There 3 kinds of sound card: computer expansion card, integrated sound card and external Sound card. The internal computer expansion card facilitates economical input and output of audio signals to and from a computer under control of computer programs. While with the development of technology, this kind of internal sound cards are gradually replaced by integrated sound card. The third one ---external sound card has been widely used as a multimedia tool for personal entertainment and professional recording. According to different requirements, let's me briefly introduce some differences about these sound card.


Here we mainly talk about internal computer expansion card and external USB sound card. Normally, people will think that there only one difference between them----that is how to install. Actually, their different functions and applications matters mostly.

The internal computer expansion card mostly applied for game and music listening. In most customers’ mind, this kind of sound card is mainly used for audio playbacking. All the successful running of PC software is supported by this sound card. The SNR of a qualified sound card is 192 kHz, the quantization bits is 24bit. That is why we can have the chance to hear awesome sound production.

Generally, this kind of sound card is normally integrated onto the motherboard. All operations and adjustments can be realized via the emulation window in the PC end, and there will be a long time for the next adjustment. All of these make this kind of sound card the ideal choice for audio enthusiasts.

The external USB sound cards are normally applied for recording. In the process of sound source, sound quality and recording effects, this kind of sound card plays an important role. With this sound card and a high standard microphone, the level for a professional studio recording can be easily reached. This sound card is pretty popular among young men.



This USB sound "cards", sometimes called "audio interfaces", are usually external boxes that plug into the computer via USB. A USB audio interface may describe a device allowing a computer which has a sound-card, yet lacks a standard audio socket, to be connected to an external device which requires such a socket, via its USB socket. 

The USB specification defines a standard interface, the USB audio device class, allowing a single driver to work with the various USB sound devices and interfaces on the market.