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Sound system seems to be missing some sound frequencies?

Lucidguy

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SOLVED: Apparently the 46 update broke some portion of the communication between the truck and its speakers in this case. A full restart has solved the issue and everything sounds great again. Thanks to those who read/responded.

I tried finding a thread on this, but was unsuccessful, so I'll do my best to describe the issue.

Last night I was driving home from work in my R1T (elevation audio, not meridian) and listening to music through Spotify. A song I have heard a million times over the last 20 years came on and I was struck that some (for lack of a better description) elements of the song were inaudible. My first thought was that maybe it was something to do with Spotify's version of the song, so I paired my phone and asked it to play the same song via Apple Music instead. However, that had the same issue: some background vocals were simply not audible.

As I drove, I found several other songs that had the same issue where a specific element of the song (sometimes a vocal, sometimes a specific instrument) just didn't come through. In each case, I also played the song from both the built-in Spotify app as well as via Bluetooth from Apple Music, and the missing elements was the same from both sources.

Once I arrived home, I played the 3 songs I has found on my drive with the most notable missing elements on my home stereo and they played exactly as I remember them being (with the missing elements).

It seems that there is some frequency band(s) that my R1T's speakers are simply not able to reproduce? I am not enough of an audiophile to immediately know how to narrow down what frequencies are the issue, but would love to hear any theories or if anyone has any similar experiences.

If you want to test on your vehicle, the 3 songs I narrowed down to were:
The Beatles - Money (That's What I Want): The piano at the very beginning of the song was almost inaudible, I couldn't hear much until the drums come in at about 4 seconds.

Orgy - Blue Monday: The melody that starts at about 9 seconds is pretty much completely inaudible, while the drums come in fine. I was able to barely hear it once I parked the truck, but with any amount of road noise it was completely obfuscated.

Dream Theater - The Glass Prison: The "response" vocals starting at ~3:04 ("Cunning, Baffling, Powerful" comes in fine, the next line "Been beaten to a pulp" is inaudible)

Anyway, any ideas/help would be greatly appreciated!
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NY_Rob

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Did you try adjusting the EQ? Could just be some weakness in their system which can be addressed with the EQ.
 
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Lucidguy

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Did you try adjusting the EQ? Could just be some weakness in their system.
Thanks NY_Rob, I did check the EQ and try moving some of the ranges up to see if it helped, but it didn't seem to make much of a difference (other than making everything sound awful, lol). Someone on the subreddit (where I also posted this) said they had some speaker issues after the recent update and that a restart fixed it (apparently some of the mid speakers simply weren't firing for him, so wondering if that's what's happening here). Will report back after I try it.
 

ahbe

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I wonder if you lost a whole channel? Some songs are mixed where vocals will only be on the right or left channel on a stereo mix. If your stream is playing stereo, but you’re missing one channel that would count for the missing vocals. Just a thought.
 
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Lucidguy

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I wonder if you lost a whole channel? Some songs are mixed where vocals will only be on the right or left channel on a stereo mix. If your stream is playing stereo, but you’re missing one channel that would count for the missing vocals. Just a thought.
Thanks ahbe. It seems that some subset of the speakers (presumably some portion of the mids) were simply not firing at all after the 46 update for me. A full reset seems to have solved the problem though.
 

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Donald Stanfield

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I too have noticed a resolution to this issue.
 

Vetmobile

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I was driving with my son yesterday and let him pick the music—he actually queued a couple Beatles songs from Spotify and the same thing happened! One one song the vocals were inaudible and in another the guitar. I’ve only had my R1S a couple days so this is probably the update mine came with. What does a reset entail? (I’m assuming it’s a simple process I haven’t learned yet!) Thank you!
 
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Thanks for the tip. Soft reset fixed my audio problems too!

Vetmobile, a soft reset of the infotainment system requires holding both of the outer buttons on the steering wheel for @15 seconds. Takes a few minutes to reboot the software.
 
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So I have the same issue and happens often, I sometimes stream from my phone and sometimes use Apple Music through the R1T with my Rivian extra features subscription. Once in a while it loses frequencies or channels like voices are faint or guitar is clear but voice is faint or sounds from other instruments are completely gone. I put in a service ticket. A soft reset for infotainment does resolve it but it occurs often and that’s a temporary fix. They need to update the code to find what is messing the speakers or channels through the amp and correct that asap. From what I read others have had this issue for months and reported it. Thanks
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