![]() If however Airplay upscaled on sending as well this would incur more processing steps and bandwidth to send. It would make more sense to me if the display size has to be upscaled at the receiving end for this to be done by AppleTV (or the TV). ![]() ![]() Don't forget that if you were using Airplay mirroring to send video streaming from the internet (assuming site allows this), then the wifi had to share bandwidth for incoming video and outgoing Airplay stream.ģ - Sending device screen resolution vs target output device resolution - conversion may be necessary. The compression reduces bandwidth needed to send the data, but quality is dependent on at least - 3 factors:ġ - Processing resources on the sending device to compress the screen content - relatively static screens, say desktop mirroring, will take less processing power than rapidly changing content, and with the latter the sending device may already be using a lot of processing power to render the screen display say it's playing video or displaying a game running.Ģ - Local network bandwidth - the slower the local connection the lower quality the stream has to be to avoid issues with frame loss etc. The Mac/iOS device compresses the display contents in real time to send to AppleTV to decompress and display. It does not send pixel perfect screen information to the AppleTV. I've never liked Airplay mirroring, though confess it's better for me than it used to be,
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