984 henriko.se Ons 08 Dec
https://henriko.se/?page_id=984

Test

Test page, useful when trying out new computers and phones, to make sure there are no dead pixels and faulty speakers.

For screen tests there are both web pages and images available, since it depends on the platform which is easiest to get in full screen out of the box.

Dead screen pixels tests:
All white web page / All white image
All black web page / All black image

Audio channels tests:
Horn played in left channel (CC0 TaranP Strauss)
Horn played in right channel (CC0 TaranP Strauss)

Audio pleasantness tests:
Radio speech sample (CC0 aarongbuk)
Piano improvisation (CC0 Bradovic)
Guitar piece (CC0 Dvideoguy)
Synth tune ("copyright free" Karl Casey White Bat Audio )
Bass solo (CC0 Bopping)