Handful of songs play garbled in spots

Plex Labs
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Server Version#: 1.40.2.8395
Player Version#: Sonos, Plexanp 4.10.1

I have a handful of songs that play garbled in the same spot. I’ve just switched from using my server as a squeesebox media server to plex. Most things are good, but a few aren’t. Playing the file right off the NAS plays fine (and so does playing it from the squeezeserver).

I’m guessing that something happened during the first play and it’s cached, but can’t find where and how to fix it.

I can ssh into my server so, I’m happy with any technical resolution.

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Plays garbled in Plexamp or on the Sonos?

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On both. And the more I’ve had time to listen, it’s not garbled, it’s more that there are roughly half a second sections missing. The music never stops, it just jumps forward a little bit.

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Are you running Plexamp on an Android device?
If so, which Android (major) version is on it?

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Yes - on a Pixel 6 running Android 14.

Since it’s the same thing on both that and on my Sonos speakers, I’m guessing it’s something to do with the Plex Media Server.

Which is a Netgear ReadyNas 314 (running current firmware 6.10) and has no issues streaming with other services (dlna, squeesebox, file-share)

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@elan and @OttoKerner, I just tried this on a different NAS, and get the same thing, in different spots. I’m wondering if it’s an issue with the WMALOSSLESS (Stereo) => AAC—Transcode

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yikes.
It could be an incompatibility of ffmpeg with this proprietary codec.
The likelihood that a high number of users is testing this regularly, is very low.
So if there is a bug, it will not be found, reported, or fixed (at least not with a high priority).

Just my personal opinion, but this codec doesn’t have a right to exist anymore. It is a remnant of Microsoft’s failed attempt to build a media player ecosystem and force everyone to use Microsoft codecs. Even though there were already free lossless codecs available at the time (without license costs).

See if the behaviour continues if you transcode the files to flac. This particular source format should losslessly transfer to flac.

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@OttoKerner I know for a fact this isn’t an issue with ffmpeg. It’s support for wmalossless is fine as I use it all the time. Which makes me worry that I’m going to run into the same issue with flac (or any other format), since there seems to be a problem in how plex uses ffmpeg…

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What makes you think that?

The greater part of my own library uses flac. (regular, hires, and multi-channel)
I haven’t experienced such issues myself.
But then, I don’t use Sonos.

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That I have no issues with ffmpeg and wmalossless outside of Plex. I’ve used it for years. So wondering what’s going on between the 2

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