System and method for testing audio device of motherboard

A system for testing an audio device of a motherboard, the audio device including an audio circuitry and a sounder electrically connecting with the audio device, the system comprising:

• a recording fixture comprising a recording device and a soundproof device, the soundproof device being configured for soundproofing the recording device and the audio device of the motherboard from environmental noise;
• and
• a computer comprising:
• an output/input module configured for outputting a first sound signal generated by the computer to the audio device of the motherboard to cause the audio device to generate a sound, receiving the sound generated by the audio device and recorded by the recording device from the recording device, and transforming the sound into a second sound signal;
• a comparing module configured for comparing the first and second sound signals;
• and
• a displaying module configured for displaying the compared result of the first and second sound signals on a monitor.