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Originally Posted by threesixty  The w5500 now passes through digitally the sound system used from a HDMI source (i. e. PS3). So if you have your amp connected via sp/dif from your W5500 and your watching a blu-ray film on PS3, the amp will now receive Dolby 5.1 etc..
Previously, the W4500 would just pass through a stereo signal. |
I don't believe it does. It's prohibited from doing so by the HDCP licensing requirements. HDCP doesn't just apply to video, it appies to audio too.
It can only output sound from a HDCP source, to another HDCP compliant source. This was to prevent coping of the 5.1 audio. Optical doesn't support HDCP. This is why it was disabled on the W4500, even though it's technically capable of it, similar to region coding. HDCP doesn't apply to the internal freeview tuner, hence why it's able to output 5.1 from the optical.
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High-bandwidth Digital Content Protection (HDCP) is a form of Digital Rights Management (DRM) developed by Intel Corporation to control digital audio and video content as it travels across Digital Visual Interface (DVI) or High-Definition Multimedia Interface (HDMI) connections. The specification is proprietary, and creating an implementation of HDCP requires a license.
HDCP is licensed by Digital Content Protection, a subsidiary of Intel. In addition to paying fees, licensees agree to limit the capabilities of their products. For example, high-definition digital video content must be restricted to DVD quality on non-HDCP compliant video outputs when requested by the source. DVD-Audio content is restricted to DAT quality on non-HDCP digital audio outputs (analog audio outputs have no quality limits). Licensees cannot allow their devices to make copies of content, and must design their products in ways that "effectively frustrate attempts to defeat the content protection requirements.
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