Yamaha Music Cast

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Plan

Free/Premium

CountryHi, can somebody please enlighten me. I have a Premium subscription set to very high quality. I am using an ipad and streaming to a Yamaha WXC50 preamp/streamer using Music Cast. When I select Spotify from the Yamaha Nusic Cast app it connects to Spotify with “Spotify Connect”. I read that Spotify uses Ogg Vorbis compression but the Yamaha streamer specs do not include an Ogg Vorbis decoder. The Music Cast app reports a connection “PCM 44.1Khz” my question is, what file format is Spotify sending to the Yamaha as I assume it must have been converted from Ogg Vorbis? How does this affect sound quality? 

Device

(iPhone 8, Samsung Galaxy 9, Macbook Pro late 2016)

Operating System

(iOS 10, Android Oreo, Windows 10,etc.)

My Question or Issue

[rdbu]

This is still a problem in April 2023. Any solutions?