macOS · Research guidance. Instructions are based on publisher guidance; a UK IPTV account was not tested on this platform.
Two inputs can sound like one task
A screen recording can include a spoken explanation from a microphone or audio generated by the computer. Those sources are different. Selecting a microphone can capture nearby speech and speaker sound indirectly, but it should not be described as the same system-audio path documented by the recording tool.
Apple gives the system option a version limit
The current Apple support article documents Include System Audio for macOS 27 Golden Gate and later. It separately documents choosing a microphone for voice or other input. An older instruction saying all native Mac captures lack system audio is therefore too broad for the current feature, while promising the option on every older release is also inaccurate.
Choose the evidence you actually need
If the issue is a button or menu, a silent recording with a written explanation may be sufficient. If audio is essential, identify the relevant source and version-supported option. Avoid capturing private room conversation merely because the microphone was the first available choice.
Review permissions and the saved result
Mac capture permissions and the tool’s recording options are separate controls. A permission grant does not select the intended source automatically. Record a short harmless interface sequence, stop and listen to the actual file before sharing. Do not use protected programme material as a reason to bypass capture restrictions.
Report version and source explicitly
Include the macOS version, recording tool and selected source when describing missing or unexpected sound. This makes the question answerable without guessing whether an older menu or current system-audio option was used. A successful capture remains evidence of that sample, not a universal compatibility test for every app.
Questions, answered
Is the documented native system-audio option universal across old macOS releases?
No. Apple specifies macOS 27 Golden Gate and later.
Does screen-recording permission select the audio source?
No. Review the recording tool’s source option separately.