HDMI to audio out dongle, any recommendations?

[scott wurcer]

I have a laptop with a dead headphone jack, and since these things seem to be pretty cheap I don't feel like opening it up and attempting a repair. Are any of these things better or worse than others? This is a non-critical application and video won't be used.

 

[miero]

This one has built-in amplifier with a volume control:
- https://www.ebay.com/itm/HDMI-to-HD...ith-Volume-Control-Support-4K-3D/174006446247

But I do not expect high audio quality from this kind of devices in general. Analog audio output is being taken from the integrated HDMI chip. And also a clock signal (at least for SPDIF output) seems to be derived from HDMI clock, so audio quality depends also on the HDMI source and sampling rate.

I have this one (chosen because of 4K and HDCP 2.2 support for video):
- https://www.secomp.co.uk/en_GB/roline-hdmi-4k-audio-extractor-lpcm-2-1/i/14013443

Here are my older measurements of the jitter using with external DAC with a jitter eliminator disabled connected to the optical output of the HDMI audio extractor. Differences for 44k1fs and 48kfs. With enabled jitter eliminator the spectrum is clean above -125dBFS in both cases. I prepared these graphs because I plan to compare these with a measurements of analog audio output of HDMI audio extractor sometimes later.

 

[scott wurcer]

This one has built-in amplifier with a volume control:
- https://www.ebay.com/itm/HDMI-to-HD...ith-Volume-Control-Support-4K-3D/174006446247

But I do not expect high audio quality from this kind of devices in general. Analog audio output is being taken from the integrated HDMI chip. And also a clock signal (at least for SPDIF output) seems to be derived from HDMI clock, so audio quality depends also on the HDMI source and sampling rate.

I have this one (chosen because of 4K and HDCP 2.2 support for video):
- https://www.secomp.co.uk/en_GB/roline-hdmi-4k-audio-extractor-lpcm-2-1/i/14013443

Here are my older measurements of the jitter using with external DAC with a jitter eliminator disabled connected to the optical output of the HDMI audio extractor. Differences for 44k1fs and 48kfs. With enabled jitter eliminator the spectrum is clean above -125dBFS in both cases. I prepared these graphs because I plan to compare these with a measurements of analog audio output of HDMI audio extractor sometimes later.
View attachment 48035View attachment 48036View attachment 48037

Thanks, sort of what I expected.