Recent content by OldAndSlowDev

Actually the fact there are very expensive snake oil product is because there are a lot of very rich people who want "the best" and don't understand the physics laws but think a 8000$ speaker cable will bring a better sound fidelity to their 2m$ system. But there are also stuff that are...

Not a ground potential difference. AVR, subwoofer and pc are on the same isolated ground. It’s really an antenna effect. Even with the pc off, plugged or unplugged, on same or on a different ground, I have humming. Unplugging the hdmi -> no humming.

If only hdmi cables were properly shielded. I can hear the heater pulses in my subwoofers because the hdmi cable is “following” the heater power cable and acts as an antenna. I never got a clean signal coming from my pc so maybe for some people this can be useful. I won’t call this snake oil if...