this post was submitted on 13 Mar 2025
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33
Selfhosted chromecast audio (multiroom)? (lemy.lol)
submitted 1 month ago* (last edited 1 month ago) by [email protected] to c/[email protected]
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With the outages this week I have decided to revisit synchronized multiroom audio. The important feature for me is that it needs to utilize the "cast" button within the Spotify/Tidal/etc apps because that's what my family uses.

Does anything exist other than the chromecast audio pucks?

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[–] [email protected] 1 points 4 weeks ago

I'm in the same boat. I'd say that my current setup is still not back to 'normal' since the issue with the certificates on the second gen devices.

I was able to cast to a CCA yesterday for a few hours after rebooting it again.

I have, over the years gone all in with the CCAs which is great when it works but sucks being tied to google. I have 11 active running CCAs connected to two separate 12 channel amps that have wired speakers throughout my house.

I use Google Mini's in those locations with their default speaker set to the CCA feeding that room's speakers. I also have groups "Basement" "Upstairs" "outside" etc that allow me to group them into larger zones. This is all very awesome when it works, but like we found out last week falls apart when there's a problem on that house of cards.

We can via apps directly manually 'cast' from YTM or Spotify or whatever (podcast app) or just ask the mini in the room to play music or play music on 'group speaker name'.

I got here from 'Casatunes' which when I was using it, was a PCIE card you installed in a windows machine and then installed their software (that ran on IIS) and it created a web service where the PCIE card (a soundblaster) had 6 3.5mm jacks (6 zones) as output, and then the software allowed you to assign 4 different inputs. Biggest issue I had with it, is as I moved from Sirius XM to streaming the service I opted to go with wasn't supported. Eventually I migrated to the CCA approach.

I'd love a way to setup 11 Pi's (although not at today's prices) with some open source protocol that replaced googles casting. The problem then would be getting some local speaker (google mini) to interact with it, or even your phone (spotify/ytm to 'cast' to that open protocol). Whatever the long term solution it would need to be easy to use or nobody but me will use it.