My AAC 5.1 music doesn´t work on Chromecast Ultra. It still worked in December.
Audio
ID : 1
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : 40
Duration : 5mn 31s
Bit rate mode : Variable
Bit rate : 967 Kbps
Maximum bit rate : 1 016 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Frame rate : 46.875 fps (1024 spf)
Compression mode : Lossy
Stream size : 38.3 MiB (100%)
Writing library : Nero AAC codec 1.5.4.0
Encoding settings : -q 0.90
