[mythtv-users] HDMI_SPDIF directly to reciever

Roo roo.watt at gmail.com
Sat Jul 5 01:08:51 UTC 2008

2008/7/5 James Lockie <bjlockie at lockie.ca>:

> There is 0 volts on the RCA.
> Why do I get sound if there is a zero volt signal?
> I tested my voltmeter on a battery to verify it works.


If your voltmeter is on a DC range and the output is bipolar, +0.5V
and -0.5V then that will "average" out to 0V. This is irrespective of
the data travelling over the spdif as it is Manchester Coded.

Try an AC range on the voltmeter if you have one.



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