2012年3月22日星期四

How to Reduce the Sound Card Noise in the Computer

When you're immersing your self in a sweet music, an absorbing movie or some amusing game, then you definitely hear "chirp, chirp... " later "twitter, twitter... " it reappears every once in awhile. You grind your teeth and fly right into a rage, because this annoying noise has cast a chill over you. This disgusting problem usually happens, but it is sometimes so complicated that it certainly makes you bite your nails then scratch your face crazily when fixing it. But in the event that you follow the below guidelines, things will be clear.


The inaccurate connection between audio card and expansion slot


Some computer cases and sound cards have already been made coarsely or imprecisely, or installed unsteadily, which might end up in poor connection between your golden finger and the expansion slot. This can be a common problem for independent audio card. You are able to take out and reinsert the sound card, or amend it with something like pliers.


Absentmindedly connect your active speaker to the audio card Speaker output


Commonly sound card has two audio outputs, one is Line out, and another is Speaker. Line out couples active speakers like speaker or amplifier, and Speaker couples passive speakers or perhaps a horn. Some audio cards rely on a jumper to find the Line and the Speaker for this only has one fan-out. Manufacturers default such cards a Speaker output, hence you have to take out the card to regulate its jumper.


Noise brought on by motherboard and display card


The audio card is likely to be interrupted by other expansion cards, particularly by display card. Sometimes a PCI display card with a Bus Master function might produce loud noise in PCI audio card, but in the event that you disable its Bus Master, the performance of video adapter will be degraded greatly.


To resolve this noise problem you are able to put the PCI sound card and display card to the PCI slots at intervals, or just change to an AGP graphics card. Additionally you may use an aluminum shield to enclose your sound card and keep it perfect earth for the intended purpose of avoiding unwanted effects on the audio card from the high-frequency radiation made by motherboard and graphics card.


Your audio drivers can't support some sound cards


Whenever you install audio drivers, you need to select manufacturer driver instead of Windows default driver. If you are using the Add New Programs in the Get a grip on Panel to set up your audio driver, you need to select to work it from the CD-Rom or floppy disk, to not add it from Windows. When you have already installed Windows driver, well right-click My Computer, select Properties then your Hardware tab and open Device Manager, double-click Sound, video and game controllers to increase it. Then right-click your audio devices, select Properties, click Driver tab, choose Update Driver and decide to do the installation from an installation CD-Rom or floppy disk. Next insert the disk that included your sound card and install the maker driver correctly.


You have connected your microphone and audio card with no shield line


If you do not start using a shield line for connecting your microphone and audio adapter or the line is bad earth, the high-frequency jam signals outside might undergo your mike input circuit and cause noise. Remove your mike the noise will go away soon. If your shield cable is being used, always check if the cable's outer shield is good grounding.


Low quality sound card


For many inexpensive and crappy ISA sound card, it might easily make noise even if your speaker is in a little volume. If the above mentioned approaches still do not work, possibly for the reason that the capacitance of one's sound card has decreased which is not capable of filtering out noise signals, thereby you had better substitute your sound card.


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