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Apple Computing Products:
macOS - Notebook Hardware
Macbook is not outputting 5.1 surround through hdmi...
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<blockquote data-quote="Nethfel" data-source="post: 1420110" data-attributes="member: 89124"><p>I tested mine over the weekend to see if I could replicate what you were seeing.</p><p></p><p>First I noticed (as I expected) when outputting audio from songs (MP3's) the system shifted to stereo. This is what I'd expect since iTunes doesn't up convert a song from stereo to 5.1 even outputting over hdmi. </p><p></p><p>iTunes movies and videos that I have in iTunes that have a 5.1 track come through as 5.1 on my receiver.</p><p></p><p>VLC was a different story for me which I don't know why. Although my MKV's are all AC3 5.1 which may be part of my problem - I haven't had time to reencode a video to another 6 channel audio codec yet to see if it's just the AC3 or something else (when selecting the AC3 track it was outputting stereo) and sometimes I did notice after VLC gave me grief about the AC3 track I'd either have to power cycle my receiver or disconnect/reconnect my Mac to get the audio channels to work right back in iTunes (but this wasn't a consistent thing)</p></blockquote><p></p>
[QUOTE="Nethfel, post: 1420110, member: 89124"] I tested mine over the weekend to see if I could replicate what you were seeing. First I noticed (as I expected) when outputting audio from songs (MP3's) the system shifted to stereo. This is what I'd expect since iTunes doesn't up convert a song from stereo to 5.1 even outputting over hdmi. iTunes movies and videos that I have in iTunes that have a 5.1 track come through as 5.1 on my receiver. VLC was a different story for me which I don't know why. Although my MKV's are all AC3 5.1 which may be part of my problem - I haven't had time to reencode a video to another 6 channel audio codec yet to see if it's just the AC3 or something else (when selecting the AC3 track it was outputting stereo) and sometimes I did notice after VLC gave me grief about the AC3 track I'd either have to power cycle my receiver or disconnect/reconnect my Mac to get the audio channels to work right back in iTunes (but this wasn't a consistent thing) [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Macbook is not outputting 5.1 surround through hdmi...
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