Roon to Apple TV

[SJ_Crowther]

Why does Roon only output 44.1KHz to Apple TV not 48KHz?
Apple TV only supports 48KHz, and converts all input to 48KHz internally.

[wizardofoz (Mr Fix It aka The Wiz)]

you can force upsample per zone if you want… it sends basic native format and apple does the upsample

[CrystalGipsy (Resisting the flow!)]

Because it knows the Apple TV will upsample it so no need.

[SJ_Crowther]

I had rather Roon does the resampling than Apple.
At the moment if I play a 96KHz file Roon downsamples it to 44.1KHz and then the Apple TV upsamples it again to 48KHz. Can’t be good.

[SJ_Crowther]

Sample rate conversion for Apple TV zone is not available. The option is greyed out.

[CrystalGipsy (Resisting the flow!)]

But Airplay is a fixed protocol for audio only streams it’s 44.1. The 48 is for video with audio not on its own, it’s a video device and all video devices use 48 for audio as it’s the standard for encoded audio in video streams. You Airplay anything to an Apple TV it would do the same under the hood but won’t show you like Roon.

Playback of 44.1 kHz/16 bit material not bit-perfect over AirPlay?

It looks like we always consider AirPlay to be “High Quality” as opposed to “Lossless”. Thinking back, I remember why. There are two reasons for this: Many popular AirPlay devices perform internal format conversions that we know to be destructive (example: all AppleTV models convert 44.1k->48k). Since AirPlay streams are clocked at the source, they must either have fancy adjustable clock hardware that can conform to the stream coming from Roon, or they must perform DSP to resolve the clock di…

[SJ_Crowther]

That must be it and unless apple changes airplay or Roon find another way of connecting to the Apple TV there is no remedy.

[Jim_F (Remember - It's easier to Keep a Customer than to get a New One)]

Don’t use Airplay.

[Mike_Rife (Jon Michael Rife)]

I am a Mac guy, and I never use airplay for music.