macOS
When a Mac display-speaker choice immediately reverts
A recorded output selection that changes back is different from a selected device producing silence.
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The viewing journal — page 44
Practical reading about screens, players, Canadian viewing and the decisions behind a better setup.
Accessibility (1)Account security (35)Android TV storage (2)Android audio (2)Android development (2)App compatibility (1)Apple TV (5)Apple TV accessibility (1)Apple TV audio (1)Apple TV remote (3)Audio formats (3)Bluetooth audio (2)Broadcasters and channels (18)Browser development (1)Business enquiries (1)Canadian film discovery (48)Canadian viewing (4)Choosing a service (3)Choosing a setup (3)Chrome (1)Countries, language & schedules (9)Device help (23)Device setup (2)Devices & players (1)Film and programme choices (14)Fire TV (1)Firefox (2)Formuler (2)Geography and language (90)Google Cast (1)Google TV (2)Guide & replay (1)HDMI audio (1)HDMI video (1)HTTP delivery (12)Home networking (20)Internet decisions (12)Kodi (5)LG webOS (4)MAG Linux (2)Movies and series (1)Music, performance and film editions (7)NVIDIA SHIELD (2)Network & performance (1)Network troubleshooting (32)Picture and sound (6)Plans and accounts (5)Platform advice (135)PlayStation (3)Privacy & account safety (1)Privacy and security (6)Privacy decisions (10)Programme guides and viewing choices (49)Programme identities and formats (4)Programme identity and viewing (32)Programme research (100)Remote controls (1)Roku (2)Samsung Tizen (5)Sports (150)Sports & viewing decisions (1)Streaming device power (1)Streaming measurements (12)TV accessibility (2)TV app management (1)TV captions (6)Troubleshooting (3)Using the player (2)VIDAA (1)VLC Android (8)VLC desktop (6)Video formats (16)Viewing away from home (2)Viewing decisions (27)Web browsers (1)Windows (11)Xbox (2)iPad (2)iPhone (1)macOS (4)
Streaming measurements
Two usage meters disagree: check GB and GiB before assuming missing data
Two devices can display different numbers for the same approximate data volume because they use different units or counting boundaries.
Read the guideStreaming measurements
A download shows MB/s while the speed test shows Mbps: compare the units
A download display in megabytes per second and a speed result in megabits per second use different units.
Read the guideStreaming measurements
A good average can hide a playback-breaking pause
An average transfer rate describes a total amount over an interval.
Read the guideStreaming measurements
Zero packet loss in a short test is a sample, not a lifetime guarantee
A short test reporting zero lost packets means no loss was observed by that test under its method and interval.
Read the guideStreaming measurements
Is that latency one-way or round-trip? Label the measurement
A latency number needs a method.
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