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LynxTWO PCI Audio Interface

Full duplex 1 kHz Distortion and Noise (Sample Rate 44.1 kHz):

Full duplex 2 kHz Distortion and Noise (Sample Rate 88.2 kHz):

Full duplex 4 kHz Distortion and Noise (Sample Rate 176.4 kHz):

Measurement conditions:

• Measurement software: Mac the Scope 4X 4.1, 2048 point (X2) FFT, Square window function, linear frequency axis.
• Stimulus signal was generated by Mac the Scope / Waavebox. Signal: 1 kHz, DIGITAL LOCK enabled, 1024 sample latency (e.g., sequence length).
• Channel 1 is shown, and represents Channel 2.
• Connections were made by plugging the input and output XLR connectors together.
• Plot range is -160 dB to 0 dBFS.

Note: the distortion measurements may be replicated with the free, demo version of Mac the Scope (the session timeout limit provides ample time for making the measurement).

• Here are links to some other measurements.
• Here is a procedure for making the distortion measurement.

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