[Excerpt from] Motherboard Layout Guidelines for Optimal Audio Fidelity


 In the past, integrated audio has had a reputation for inferior quality. With the new and more capable integrated audio components that are now available, including parts designed in compliance with the Intel® High Definition (HD) Audio specification, the systems that use these components can rival the audio fidelity of specialty PC audio cards and even of stand-alone consumer electronics equipment. The only obstacle to achieving a higher level of fidelity is poor system hardware design that fails to adequately address the potential causes of audio signal degradation in a PC environment that contains high-speed digital circuitry, stepper motors, and other sources of electrical noise.

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