Essential Phone Dual Speakers?

[dorupero]

A lot of flagship android phones are getting the dual speaker treatment by editing the build.prop and things but I have no other experience but editing it after reading other people's instructions. I think people are interested in this so I'm hoping someone could figure it out.

 

[gk1984]

I wouldn't do this. Period. There are 2 different speakers and they most likely can't handle the same kind of output. If you push the earpiece speaker too much, you could blow the speaker. This goes for any phone. You're taking a huge risk with this.

 

[stinger4321]

Go for it.. let us know how it goes..?

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[epidemike]

Go for it.. let us know how it goes..

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I have a feeling that this would be the outcome.

 

[dorupero]

I wouldn't do this. Period. There are 2 different speakers and they most likely can't handle the same kind of output. If you push the earpiece speaker too much, you could blow the speaker. This goes for any phone. You're taking a huge risk with this.

Alright... Well I would probably do it anyways once I figure it out but I do understand the risk. Not sure if I can do it myself, but ideally all the trebles should go through the earpiece and the bass through the bottom.

I've used this app (https://play.google.com/store/apps/details?id=mobi.omegacentauri.Earpiece) to kind of get the feel of how it could sound like, and it doesn't sound too bad.

Of course there are inherent risks in just doing the build.prop edit way, so I was hoping someone more knowledgeable could make this work? If it does work, it would reduce the volume and things but it would still be a fun mod for me.

Right now it seems like I'm the only one who really wants to do this so I understand if the thread just ends here but I'll update if I destroy my phone.

 

[stinger4321]

Alright... Well I would probably do it anyways once I figure it out but I do understand the risk. Not sure if I can do it myself, but ideally all the trebles should go through the earpiece and the bass through the bottom.

I've used this app (https://play.google.com/store/apps/details?id=mobi.omegacentauri.Earpiece) to kind of get the feel of how it could sound like, and it doesn't sound too bad.

Of course there are inherent risks in just doing the build.prop edit way, so I was hoping someone more knowledgeable could make this work? If it does work, it would reduce the volume and things but it would still be a fun mod for me.

Right now it seems like I'm the only one who really wants to do this so I understand if the thread just ends here but I'll update if I destroy my phone.

I'm always up for stereo sound.. its what i miss from my nexus 6

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[Jonathanlc2005]

I'm always up for stereo sound.. its what i miss from my nexus 6

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I miss it too from Moto x pure but I'm hoping for a mod to come out with it than using the phone speakers.

 

[LeTurntRice]

I'll try to get something started. I used to change the mixer_paths.xml files on my older phones so, I'll see if I can use those files for reference.

 

[kolpa06]

Did anybody have success with this?

 

[kolpa06]

The file is there:
/system/vendor/etc/mixer_paths_tasha.xml
I tried to replicate the mod using similar changes for OnePlus 5t.

Original:

   <path name="handset-stereo-dmic-ef">
        <path name="handset-dmic-endfire"/>
   </path>

Stereo mod (not working for essential)

   <path name="handset-stereo-dmic-ef">
        <path name="handset-dmic-endfire">
 		<ctl name="DEC4 Volume" value="84" />
        	<ctl name="DEC5 Volume" value="84" />
      </path>
   </path>

However, still no sound from the earpiece.

I have attached both stock and modified files, if somebody wants to give a shot.

 

[Ibanez33]

Is that definitely the part for the stereo speakers?

I've not looked much into mixer files before but would assume dmic as a device was dual mic.

Plus did wonder over to the one plus 5 forum to look at the mod there. Did a comparison on the stock file vs the mod and there's a new section added.

Audio Mixer MultiMedia1 which looks to be setting the use and values of the right devices.

 

[kolpa06]

Is that definitely the part for the stereo speakers?

I've not looked much into mixer files before but would assume dmic as a device was dual mic.

Plus did wonder over to the one plus 5 forum to look at the mod there. Did a comparison on the stock file vs the mod and there's a new section added.

Audio Mixer MultiMedia1 which looks to be setting the use and values of the right devices.

I replicated one of the two changes that this mode did:
https://forum.xda-developers.com/oneplus-5/themes/stereo-speaker-mod-oos-t3632980

The other change was this, which I though irrelevant.

  <!-- #ifdef VENDOR_EDIT -->
<!-- [email protected],2016/10/01,add i2s path-->
    <path name="deep-buffer-playback quat_i2s">
		<ctl name="SLIMBUS_0_RX Audio Mixer MultiMedia1" value="1" />
        <ctl name="SLIM RX0 MUX" value="AIF_MIX1_PB" />
        <ctl name="SLIM_0_RX Channels" value="One" />
        <ctl name="RX INT0_1 MIX1 INP0" value="RX0" />
        <ctl name="RX INT0 DEM MUX" value="CLSH_DSM_OUT" />
        <ctl name="EAR PA Gain" value="G_8_DB" />
        <ctl name="RX0 Digital Volume" value="96" />
        <ctl name="QUAT_MI2S_RX Audio Mixer MultiMedia1" value="1" />
		<ctl name="RX0 HPF cut off" value="MIN_3DB_150Hz"/>
    </path>
<!--#endif-->

I am willing to help if you have some ideas.

 

[Ibanez33]

Will definitely take a look.

 

[kolpa06]

Will definitely take a look.

The part that confuses me is there is no "quat_i2s" in essential's mixer_paths.

There is quat_i2s_MI2S_RX though.

 

[Ibanez33]

I'm still trying to get my head around it and also find a device with a mixer that looks closer to ours. Preferably another msm8998.

Lgg6 looked closer but the way the mod been applied was completely different. I did spot another thread where someone was making this mod for requested devices so going to give them a shout and see.

 

[kolpa06]

I'm still trying to get my head around it and also find a device with a mixer that looks closer to ours. Preferably another msm8998.

Lgg6 looked closer but the way the mod been applied was completely different. I did spot another thread where someone was making this mod for requested devices so going to give them a shout and see.

Can you also give me the link of that thread, so that I can support you there?

 

[Ibanez33]

This was the thread here (listed below), but looks like the changes are listed for each device so going to test with whats listed for the oneplus 5 as what they have makes more sense to me.

https://forum.xda-developers.com/android/development/mod-dual-speaker-soundmod-devices-root-t3735280

 

[kolpa06]

This was the thread here (listed below), but looks like the changes are listed for each device so going to test with whats listed for the oneplus 5 as what they have makes more sense to me.

https://forum.xda-developers.com/android/development/mod-dual-speaker-soundmod-devices-root-t3735280

I have made a request there, in the format he wanted. Waiting for the reply.

Do you have any progress?

 

[TheIronLefty]

I am really looking forward to this, the earpiece for some reason has much punchier bass and vocals, i think essential was planning to use it as second speaker but they didnt, it sounds really good compared to other phones earpieces.

 

[Ibanez33]

Unfortunately the thread with the request the OP has discontinued the work.

I will try take another look when I get more time.