When diagnosing an issue with audio output on a desktop PC, you notice that there is no sound coming from the speakers, despite the volume being adequately configured. What function of the sound card, if not operating properly, is MOST likely the cause of this issue?
Acceleration of graphical rendering processes for gameplay
Conversion of digital audio data into an analog signal for output
Routing of internet packets to synchronize streaming media
Compression of audio files to reduce file size on the hard drive
The digital-to-analog converter (DAC) on a sound card is responsible for converting encoded digital audio data into an analog signal that can drive the speakers. If there is no sound coming from the speakers and the system volume is set correctly, a malfunctioning DAC on the sound card is a likely cause, assuming the speakers and drivers are functioning properly.
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What is a digital-to-analog converter (DAC)?
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How can I check if the sound card is working properly?
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What should I do if my speakers are not working despite the DAC being functional?