This invaluable unit extracts audio data from a 4K HDMI stream or embeds an external audio signal in one. For extraction, an HDMI signal with integrated audio passes through to the output port for relay to a target display while the audio signal is routed to an AV receiver, speaker or soundbar in analogue stereo or digital TOSLINK format.
An analogue or digital audio signal fed via a 3.5mm stereo or TOSLINK connector is embedded in an HDMI stream to replace the original audio.
18Gbps bandwidth supports HDMI 2.0a, i.e. resolutions up to 4K at 60Hz with 4:4:4 chroma sub-sampling, 10bit colour depth, 4:2:0 HDR and HDCP 2.2. Standalone source devices, such as Blu-ray players, can therefore be used without problem. While being extracted, the audio signal (as well as the remote control signal) also remains in the HDMI stream and can be output at the display, or muted as required.
An audio signal can be extracted via a 3.5mm stereo jack in analogue stereo format or via TOSLINK as a digital multichannel stream (up to eight audio channels, 2.0, 5.1, 7.1) for sampling rates up to 192 kHz. This also works with the signal from the display’s audio return channel (configurable).
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