Following the many comments I received about the measurements of the Chord M-Scaler over on Audio Science Review, I decided to do some digging. Here are the results (in a manner of speaking).
You can find the ASR content here:
Video: https://www.youtube.com/watch?v=Zrqe2XFZtMU
Written: https://www.audiosciencereview.com/forum/index.php?threads/chord-m-scaler-review-upsampler.35498/
My previous interview with Rob Watts is here: https://www.youtube.com/playlist?list=PLpNQNldAzrf5P3oxDUnVhulFOtKCv6aX1
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00:00 Introduction
04:06 Jitter measurements
08:05 Why M-Scaler is best with Chord DACs
11:35 Increased noise in 2x & 4x oversampling
16:26 Discussion of inaudible noise levels
24:06 Upsampling showing no improvement in performance
26:42 No measured frequency response change
30:43 How can we measure things at such low thresholds?
33:34 What other measurements should be considered?
39:13 Lessons from designing an ADC
45:45 Why is the M-Scaler designed/sold to work with other gear?
47:27 How to test the M-Scaler for yourself
48:35 Effect of upsampling on the cut-off filters
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#audiophile #audioreview #mscaler