Simply stated, a computer sound cards is a part of computer hardware that enables the computer to create and play sound. The sound card enables the computer produce sound via the speakers or the earphones.
Almost all personal computers come with the sound card pre-installed but one can still add an extra sound card to make the quality of the sound better. A computer sound card can be internal or external.
The internal sound cards are located inside the computer hardware but you can remove it as long as it is not integrated to the motherboard. The external sound card on the other hand is situated outside the computer and is normally plugged into the computer via the USB.
You should consider several factors in choosing a sound card. First, check to know whether the sound card is supported by the software that you are using to play the audio. Buying a sound card that is not supported by the software you intend to use it with is a waste of time.
For instance if you intend to use it in playing a game, ensure that the game software is compatible with the sound card or else you may not hear the game sounds. Consider also the bit rate of the sound card. Bit rate has a big effect on sound quality no matter the type of sound card that you may be using.
The quality of sound obviously determines how well you can enjoy the audio. There is little chance that you can enjoy music that is played on a low quality sound card. Some advanced computer sound-cards support up to 24 bits.
The higher the bit rate, the higher the quality of sound. Choose a computer sound-card that is easy to connect. Again, consider the fact that you may need to connect more components than just the microphone and the speakers.