Otherwise, you should select Dolby Digital.For example, if you either directly connect the Apple TV to your AVR or your soundbar is connected via E-ARC, then you should use Dolby MAT. If your AV receiver or soundbar supports it, Dolby MAT is preferable.Then, the Apple TV 4K outputs audio in either lossless Dolby MAT 2.0 or lossy Dolby Digital formats. Given the low computational overhead of transcoding to FLAC, it is better to transcode the audio than not. E-AC-3 (Dolby Digital Plus 7.1 surround sound), andįor all other (unsupported) audio formats, my tvOS profile transcodes the audio to FLAC format, for lossless audio quality.H.264 Baseline Profile level 3.0 or lower with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in.HEVC Dolby Vision (Profile 5)/HDR10 (Main 10 profile) up to 2160p, and.H.264/HEVC SDR video up to 2160p, 60 fps, Main/Main 10 profile.Transcoding video, in particular, results in delays, buffering, and lower video fidelity.Īmong other codecs, the Apple TV 4K supports the following video and audio formats: This means that your Plex Media Server may still transcode your media even though the Apple TV 4k has the horsepower to play a video in its original format. However, Plex’s tvOS profile is not fully optimized for the Apple TV 4K. Now, many media types play directly in Plex, eliminating the interim step of transcoding those videos. Plex is currently testing a new, MPV based, media engine for the Apple TV client. And, we run the Plex client on Apple TV 4K settop boxes. We run the Plex media server on Synology NAS devices.
Previously, I described how we use Plex as a whole home media solution including home videos, live TV & DVR, and music.
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