Product Suggestion: Sonos Amp to be able to mix audio sources instead of switching between them

I own an IKEA Symfonisk that is set as a preferred speaker to a Nest Mini in the Google Assistant/Home app. No need to plug it in the Line in. Couldn’t this be done with an Amp?

I highly doubt this is even possible.  The analog in and HDMI inputs don't even cross paths, never mind including the chip needed for mixing digital audio.

Thanks. I’m not sure I follow. I’m guessing you set your Nest mini to stream all its audio via WiFi to your Symfonisk speakers? If so, this still requires switching back and forth between sources and I’m not sure it would be as seamless as what I’m describing. I will try what you mentioned though and see if it functions any better than using the line-in.
 

Generally speaking the main problem I face is that if I play music from the Sonos amp itself, I have to take out my phone to manually switch it back to the Alexa (line-in) input because the auto-play doesn’t seem to trigger.
 

Another issue exists in my office. I have the HDMI from my computer outputting audio into the Amp. If I play music from the Amp itself (i.e. Apple Music) that music gets interrupted every time I get an email notification or any random sound happens on the computer.
 

So it seems like this issues would go away if I had the option to just mix the sources together. 

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Interesting. The Sonos Amp is essentially a computer. So, I imagined this being done programmatically via software instead of the need for an additional piece of hardware. But I definitely cannot speak to the technical feasibility of doing this or if the Amp’s existing DSP could handle a software update like that. 
 

But, even if it’s not possible due to current hardware limitations, I would think it’s still a good idea for Sonos to implement something like what I described in future versions of their Amplifier. 

As I understand it, the Nest Mini will command the Symfonisk to fetch music from the internet. So the Nest Mini is not a source, but more of a remote. Not sure this will work with an Amp, but it would be worth a try.

Could you report your findings here?

Ah okay gotcha. What you describe is similar to using the Sonos skill with Amazon Alexa. Like you said, the Alexa is basically telling the Sonos to play the audio instead of playing it itself. I tried that route years ago and it was an absolutely horrible experience lol. But maybe the developers have updated the skill and made it better now, not sure.

From what I’ve seen, Sonos usually doesn’t develop features where the primary reason for the feature is to circumvent features already in place.  They might work on improving the existing feature if needed instead.

On GA this works almost like GA on a One for example. Normal questions and commands (close my Sonny blinds for example) are acknowledged by the Nest Mini, but if I ask the Nest to play Spotify it plays on the Symfonisk, just like when I ask GA to play from Spotify my One. Sonos is added to GA.

I’m not sure that I understand how having the ability to mix the sources together would circumvent existing features. I’m not suggesting that Sonos implement this feature instead of any current features. To the contrary, I would like this feature in addition to the existing features. Mixing would not break any existing feature. It would simply add more functionality. 

Like I mentioned in a different reply here, another issue I have, exists in my home office where I have the HDMI from my computer/dock outputting audio into the Amp. If I play music from the Amp itself (i.e. Apple Music) that music gets interrupted every time I get an email notification or any random sound happens on the computer. 

So it would seem this problem would go away if I were able to simply mix the sources.

How would you suggest I handle a setup like this with the current features of the Amp?