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YouTube surround sound
- Thread starter melapple
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I still see only 2.06.22.00 - June 13, 2021 YouTube app on tvOS via App Store. How about a photo of this?
They don’t necessarily need to update the actual app itself as an App Store update, they can just push certain functions to the existing app version.
They did the same recently with the new press and hold function that gives further options on the thumbnails.
I haven’t checked mine for this 5.1 button yet, but will be doing so when I finish work.
That’s correct. For the past several months they’ve been pushing “silent” updates. I believe the update I mentioned is the same one that introduced the press and hold feature.
I did not see any buttons, but I played A video by movie music composer, Hans Zimmer, doing a live version of a portion of the Dune soundtrack. Fantastic clip, by the way. My AVR indicated that the video was playing Dolby surround and there was music coming out of my rear speakers. It wasn’t particularly mixed for surround sound, but it was playing surround sound. So maybe YouTube did push out an update.
Can you share the link to that clip, please?
To the best of my knowledge, YouTube does only sport low-bitrate stereo audio, so surround would be a surprise.
Are you sure, your AVR was not simply set to Dolby Surround mode (meaning it was running a Dolby upmixer on stereo source)??
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That’s quite interesting as the only time I see any mention of Dolby on mine is when I play something with Atmos, any other and it just displays as being PCM unless I physically change the sound output to Dolby rather than Auto for Atmos.
Seems a bit odd how you’re seeing it when using YouTube.
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This is the link I played through my ATV 4K that came through as Dolby. I had to change the quality to 1080P manually but it showed as DD Surround.
When I play this video it’s not showing the 5.1 surround button so I don’t believe this video has surround sound.
By the way, this is the button I’m talking about and the app version section says I’m on version 2.06.22.00/web_20220320_10_RC00
So apparently a release canditate version from March 20th
Attachments
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I’ve not seen that button on anything I’ve tried.
Hopefully 5.1 is going to be an option.
Doesn’t show with any content for me, all the same app version and latest tvOS version.
What ATV4K are you using?
I’m using the 1st Gen.
They must be definitely be doing something with the app as just noticed some of my movies are now showing a 4K icon, and this is via my ATVHD in my bedroom.
Not able to check my ATV4K at the moment.
Edit:
Just tried playback of some movies showing as 4K and the max resolution is still 1080p.
Am also seeing the 5.1 toggle but doesn’t seem to do anything.
This is using the 1st Gen.
Not able to check my ATV4K at the moment.
Edit:
Just tried playback of some movies showing as 4K and the max resolution is still 1080p.
Am also seeing the 5.1 toggle but doesn’t seem to do anything.
This is using the 1st Gen.
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Unless you are referring to a paid YouTube service (like YouTube TV), then on the free YT, this video only has low bitrate stereo soundtracks, like every other YT video (on free service):
$ youtube-dl -F https://www.youtube.com/watch?v=_j5GgGdSwjE
[youtube] _j5GgGdSwjE: Downloading webpage
[info] Available formats for _j5GgGdSwjE:
format code extension resolution note
249 webm audio only tiny 47k , webm_dash container, opus @ 47k (48000Hz), 1.07MiB
250 webm audio only tiny 62k , webm_dash container, opus @ 62k (48000Hz), 1.40MiB
251 webm audio only tiny 122k , webm_dash container, opus @122k (48000Hz), 2.74MiB
140 m4a audio only tiny 129k , m4a_dash container, mp4a.40.2@129k (44100Hz), 2.91MiB
160 mp4 256x144 144p 66k , mp4_dash container, avc1.4d400c@ 66k, 24fps, video only, 1.49MiB
394 mp4 256x144 144p 70k , mp4_dash container, av01.0.00M.08@ 70k, 24fps, video only, 1.58MiB
278 webm 256x144 144p 88k , webm_dash container, vp9@ 88k, 24fps, video only, 1.99MiB
133 mp4 426x240 240p 114k , mp4_dash container, avc1.4d4015@ 114k, 24fps, video only, 2.57MiB
395 mp4 426x240 240p 119k , mp4_dash container, av01.0.00M.08@ 119k, 24fps, video only, 2.68MiB
242 webm 426x240 240p 142k , webm_dash container, vp9@ 142k, 24fps, video only, 3.19MiB
134 mp4 640x360 360p 219k , mp4_dash container, avc1.4d401e@ 219k, 24fps, video only, 4.92MiB
396 mp4 640x360 360p 234k , mp4_dash container, av01.0.01M.08@ 234k, 24fps, video only, 5.27MiB
243 webm 640x360 360p 256k , webm_dash container, vp9@ 256k, 24fps, video only, 5.75MiB
135 mp4 854x480 480p 341k , mp4_dash container, avc1.4d401e@ 341k, 24fps, video only, 7.65MiB
244 webm 854x480 480p 393k , webm_dash container, vp9@ 393k, 24fps, video only, 8.83MiB
397 mp4 854x480 480p 414k , mp4_dash container, av01.0.04M.08@ 414k, 24fps, video only, 9.30MiB
136 mp4 1280x720 720p 642k , mp4_dash container, avc1.4d401f@ 642k, 24fps, video only, 14.42MiB
247 webm 1280x720 720p 706k , webm_dash container, vp9@ 706k, 24fps, video only, 15.86MiB
398 mp4 1280x720 720p 836k , mp4_dash container, av01.0.05M.08@ 836k, 24fps, video only, 18.77MiB
399 mp4 1920x1080 1080p 1472k , mp4_dash container, av01.0.08M.08@1472k, 24fps, video only, 33.06MiB
248 webm 1920x1080 1080p 1780k , webm_dash container, vp9@1780k, 24fps, video only, 39.96MiB
137 mp4 1920x1080 1080p 2387k , mp4_dash container, avc1.640028@2387k, 24fps, video only, 53.57MiB
18 mp4 640x360 360p 585k , avc1.42001E, 24fps, mp4a.40.2 (44100Hz), 13.15MiB (best)
$
Does it make a difference that I am a premium subscriber? But I will take your word for it. All I know is the display showed D Surround and I had sound coming out of my rear speakers. As I said it might now have been true surround but a virtual 4 channel stereo.
Could be. Hard to tell without testing.
But then again - offering a paid movies service without proper audio would look pale against competitors.
Actually, they push an update about once a week remotely. This is nothing new. You can see the build date in the app's settings under "App version" (look at the date in the version number).
I can confirm that 5.1 is indeed available on some video content, although the volume level compared to the stereo track is very low.
Here's video proof:
And this is the video I was watching:
Here's video proof:
And this is the video I was watching:
Dolby Surround is not from a 5.1 source. It is upmixed stereo. If you're using a Denon AVR, press the info button and it will show you on the left which channels are being received from the source, and on the right which channels are being output.
Yes, it looks like there are changes happening.
New audio formats that I can recognise are the 256, 380, 328 and 258
The YT app on my appleTV receives nicely the EC-3 stream.
Code:
Priits-i9Mac:Downloads priit$ youtube-dl -F https://www.youtube.com/watch?v=CT7arxQoxoQ
[youtube] CT7arxQoxoQ: Downloading webpage
[youtube] CT7arxQoxoQ: Downloading player 1e29bfc0
[info] Available formats for CT7arxQoxoQ:
format code extension resolution note
249 webm audio only tiny 57k , webm_dash container, opus @ 57k (48000Hz), 12.77MiB
250 webm audio only tiny 74k , webm_dash container, opus @ 74k (48000Hz), 16.58MiB
140 m4a audio only tiny 129k , m4a_dash container, mp4a.40.2@129k (44100Hz), 28.92MiB
251 webm audio only tiny 141k , webm_dash container, opus @141k (48000Hz), 31.59MiB
256 m4a audio only tiny 195k , m4a_dash container, mp4a.40.5@195k (24000Hz), 43.59MiB
380 m4a audio only tiny 384k , m4a_dash container, ac-3 @384k (48000Hz), 85.81MiB
328 m4a audio only tiny 384k , m4a_dash container, ec-3 @384k (48000Hz), 85.81MiB
258 m4a audio only tiny 387k , m4a_dash container, mp4a.40.2@387k (48000Hz), 86.56MiB
160 mp4 256x144 144p 77k , mp4_dash container, avc1.4d400c@ 77k, 30fps, video only, 17.31MiB
278 webm 256x144 144p 85k , webm_dash container, vp9@ 85k, 30fps, video only, 19.09MiB
133 mp4 426x240 240p 163k , mp4_dash container, avc1.4d4015@ 163k, 30fps, video only, 36.51MiB
242 webm 426x240 240p 164k , webm_dash container, vp9@ 164k, 30fps, video only, 36.70MiB
134 mp4 640x360 360p 319k , mp4_dash container, avc1.4d401e@ 319k, 30fps, video only, 71.29MiB
243 webm 640x360 360p 343k , webm_dash container, vp9@ 343k, 30fps, video only, 76.74MiB
135 mp4 854x480 480p 510k , mp4_dash container, avc1.4d401f@ 510k, 30fps, video only, 114.06MiB
244 webm 854x480 480p 602k , webm_dash container, vp9@ 602k, 30fps, video only, 134.54MiB
136 mp4 1280x720 720p 851k , mp4_dash container, avc1.4d401f@ 851k, 30fps, video only, 190.24MiB
247 webm 1280x720 720p 1135k , webm_dash container, vp9@1135k, 30fps, video only, 253.55MiB
248 webm 1920x1080 1080p 1989k , webm_dash container, vp9@1989k, 30fps, video only, 444.50MiB
137 mp4 1920x1080 1080p 2513k , mp4_dash container, avc1.640028@2513k, 30fps, video only, 561.43MiB
18 mp4 640x360 360p 632k , avc1.42001E, 30fps, mp4a.40.2 (44100Hz), 141.20MiB
22 mp4 1280x720 720p 980k , avc1.64001F, 30fps, mp4a.40.2 (44100Hz) (best)
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Tried this video out on ATV4K tvOS 15 as well as the Android YouTube app on my Sony Bravia (connected to my AVR). Not seeing any signs of 5.1 here...
To be clear, YouTube 5.1 is for their YouTube TV subscription service. I haven't heard any chatter about 5.1 being enabled for standard YouTube user content. Correct me if I'm wrong...
To be clear, YouTube 5.1 is for their YouTube TV subscription service. I haven't heard any chatter about 5.1 being enabled for standard YouTube user content. Correct me if I'm wrong...