Why an HDMI splitter does not choose a different programme for each screen
A conventional splitter distributes one source output. Independent programme choices require an arrangement that actually supplies independent sources.
The journal
The viewing journal — page 45
Practical reading about streaming, devices and the decisions behind a better prepared setup.
Why protected HDMI can produce a blank capture while ordinary viewing works
A capture device can have a documented restriction on HDCP-protected input. That is a different boundary from the source programme’s network delivery.
Why a PipeWire error total needs a before-and-after observation
A cumulative node error count does not show when every error occurred. Compare the relevant counter around a reproducible symptom before attributing it to that playback.
Why a Dolby Vision label does not always mean HEVC
Dolby’s profile table includes configurations based on different codecs. Keep the actual profile and codec together when investigating compatibility.
Why a media encoder tag is not proof of the file’s publisher
An encoder field describes claimed technical metadata. It does not authenticate the person, business or rights holder that supplied the media.
Why a Matroska BPS tag may not match whole-file bitrate arithmetic
The documented Matroska BPS tag excludes headers and container overhead. A calculation using every file byte measures a different scope.