Low audio thru BT?? - AT&T LG G3

Anyone else notice the audio output via BT to be rather low? Connected this to my card (Ford explorer) and I have to almost double the speaker volume from what I had used with my Note 3..

ReggieSmith said:
Anyone else notice the audio output via BT to be rather low? Connected this to my card (Ford explorer) and I have to almost double the speaker volume from what I had used with my Note 3..
Click to expand...
Click to collapse
Yes, noticed significantly lower BT volume playback through Mini Jambox and slightly lower volume with my Alpine car receiver.

Me as well with my alpine...have to put it up to 28 too get some bump...
Sent from my LG-D850 using XDA Free mobile app

Strange, I don't have this issue with my AT&T G3 and Motorola bluetooth headset. Maybe I'm not picky about it or something. It works the same as it did on my Nexus 5

Enddo said:
Strange, I don't have this issue with my AT&T G3 and Motorola bluetooth headset. Maybe I'm not picky about it or something. It works the same as it did on my Nexus 5
Click to expand...
Click to collapse
Had this problem today in a 2014 Dodge. the G3 has separate BT volume. SO basically I had to max out my phone volume to make it normal.
Thought i'd mention this just in case you missed it.

BT headset volume is fine but music playback through my car BT is pretty low. Like what was mentioned you need to make sure the BT volume on your G3 is turned up all the way or you will have no bump at all.

I've had lower volume issues with a wired headset. It's like I need a booster.
Sent from my LG-D850 using XDA Premium 4 mobile app

Alienuser said:
I've had lower volume issues with a wired headset. It's like I need a booster.
Sent from my LG-D850 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
I noticed this too and Amazon sells little headphone amps just for this very thing. My son bought one and said it helps quite a bit.

RE: Volume Fix
Try this
http://forum.xda-developers.com/lg-g3/development/mod-volime-booster-t2826646
It worked for me, and if you read through the 1st page, the have a Recovery that works.
I have the AT&T version and I flashed the zip.
Works much better now.

Have you guys tried the XPOSED module Viper4Android app? I believe it has a way to boost the overall sound for headphones, phone speaker, Bluetooth, and USB Dock (all independently). It also has lots of other great sound tweaks too.
EDIT - Viper4Android isn't part of the xposed framework. It does require root, but otherwise is a regular app.

sic0048 said:
Have you guys tried the XPOSED module Viper4Android? I believe it has a way to boost the overall sound for headphones, phone speaker, Bluetooth, and USB Dock (all independently). It also has lots of other great sound tweaks too.
Sent from my iPad using Tapatalk HD
Click to expand...
Click to collapse
Afte rooting I installed Viper4Android and everything is amazing! I haven't ran Bluetooth but my headphone sound has increased 10 fold.

Compelling. I have hints of a minor problem with a wired headset volume. But I still feel there's no overwhelming evidence that returning to stock is completely dependable for the 850d.
Sent from my LG-D850 using XDA Premium 4 mobile app

I just wanted to clear up some mis-information. The Viper4Android app does not require the Xposed framework. I installed it while working with other modules and incorrectly associated it with xposed in my mind. But it is a freestanding app, not related to xposed. It does however require root privileges.
I just wanted to mention that since I posted some inaccurate information above.....

Kmac_thp said:
BT headset volume is fine but music playback through my car BT is pretty low. Like what was mentioned you need to make sure the BT volume on your G3 is turned up all the way or you will have no bump at all.
Click to expand...
Click to collapse
Where are those volume settings for BT connection?
Thanks

Scyzor said:
Where are those volume settings for BT connection?
Thanks
Click to expand...
Click to collapse
When youre connected to a BT device the volume control is for that BT device or connection.

I am on a custom ROM by Fulmics and my BT volume for calls is about 1/3 as loud as for streaming media.
Notifications are normal, it started when ringtone was quieter when BT was on, rings through BT and barely through phone, previously it rang loud on phone and just noticeable on BT... I use the BT for work and I can't have me not hearing what support is instructing me to do on a service call...
Will look into dev mode and tweaks and see if something is there to correct this low volume.

Yes I noticed this and there is a build.prop perameter that can be changed it's called : ro.lge.bt_gain_control_factor
I belong the factory setting is 0.8 I have mine set to 1.4 without issue but YMMV
Sent from my LG-G3

Related

[Q] Sound Issues on GS4G??

Hi all.
I made the switch from an iphone about a month back and noticed a major change in sound quality when I line out to my car or speakers.
I'm really confused about this and am hoping someone could shed some light on what's going on or a fix.
My setup:
-Car: 07 Honda civic with premium sound system and stock subwoofer. nothing fancy.
-Phone: Black ice, voodoo, ext4 data
voodoo is at default settings, i tried adjusting the max volume or something and it just made it sound distorted
Here is the problem:
-If I plug my iphone into my car and turn the iphone volume all the way up the max volume I can stand on my head unit is 25 out of 40. And it sounds clear.
-With the GS4G's volume at max, volume 40(max) on my head unit is not even loud enough and becomes distorted. I never had distortion issues with my iphone. Is this simply hardware limitations or is my phone not configured correctly
The majority of my music listening is done in my car. So any help is appreciated.
-And please dont call me an apple fan boy. Because im not. Lol Id never go back over android.
Well I use mine in the same way aux and so far so good but I do notice I have to turn up the volume on my deck for phone calls no distortion though
Sent from my SGH-T959V using XDA Premium App
Mizun0h said:
Hi all.
I made the switch from an iphone about a month back and noticed a major change in sound quality when I line out to my car or speakers.
I'm really confused about this and am hoping someone could shed some light on what's going on or a fix.
My setup:
-Car: 07 Honda civic with premium sound system and stock subwoofer. nothing fancy.
-Phone: Black ice, voodoo, ext4 data
voodoo is at default settings, i tried adjusting the max volume or something and it just made it sound distorted
Here is the problem:
-If I plug my iphone into my car and turn the iphone volume all the way up the max volume I can stand on my head unit is 25 out of 40. And it sounds clear.
-With the GS4G's volume at max, volume 40(max) on my head unit is not even loud enough and becomes distorted. I never had distortion issues with my iphone. Is this simply hardware limitations or is my phone not configured correctly
The majority of my music listening is done in my car. So any help is appreciated.
-And please dont call me an apple fan boy. Because im not. Lol Id never go back over android.
Click to expand...
Click to collapse
Yes, I think your AUX cable is messed up, as in, its different for iphone n other phones. However if you are using a 3-contacts regular stereo auxiliary cable, it should have worked fine, just check the cable once before going further in resolving the issue.
The 4 contact aux cable, which also has provision for mic support maybe causing this issue....
Make sure you have the latest voodoo control app.
Set the volume limit to +3 line out optimal
Set the head phone volume to 3db (All the way up)
Play around with the bass boost until it sounds good to you.
My bass boost is set to medium, gain + 6, and range 20%. See of that helps.
Sent from my Buttery Smooth Galaxy S 4G using XDA app.
Thanks for the advice. Sounds solid. Ill test when I get home
Sent from my SGH-T959V using XDA Premium App
Mizun0h said:
Thanks for the advice. Sounds solid. Ill test when I get home
Sent from my SGH-T959V using XDA Premium App
Click to expand...
Click to collapse
Hey everyone thanks for all the advice. I finally got it set to my liking.
First I updated the voodoo control app. I think that was the main problem.
Then settings are as follows:
-headphone amp: -2
-volume limit: 3
-bass boost: sub, gain of 6 and range at 20%
Everything else is stock.
Again thanks for the help.
-and sorry for the double post. I meant to edit the original with my statement in quotes.
Good deal man. It does help quite a bit to tweak the audio. I hope that the final release of uber music has an eq for further audio tuning... If you don't have that player, you should get it.
Sent from my Buttery Smooth Galaxy S 4G using XDA app.

[Q] Is There Any Way to Make Headset Volume Louder?

Hello everyone!
I got the S III a few days ago and so far I'm pleased with it. I rooted it yesterday and got rid of the Verizon crapware and it's even better! I do have one issue though. I often listen to music in my car, and for that I usually use my phone. I'm having an issue with it being to quiet though. All of my other phones and tablets have been loud enough, but the S III is just barely audible when I'm on the highway even on full blast. Is there a configuration file or something I can edit? I'm also wondering if it has something to do with the "Loud music may harm your hearing if you listen to it for a long time" prompt.
Thanks for any help!
Try This
y o u t u b e . c o m / w a t c h ? v = T v P v m l 6 i O S c
caredugom said:
(Link to some unlocking code)
Click to expand...
Click to collapse
That doesn't help me, I don't even have the galaxy 553 or whatever.
You could use Volume+ in the Play Store. Many GNex users used that for their lower than normal speaker.
Sent from my SCH-I535 using xda app-developers app
SlimSnoopOS said:
You could use Volume+ in the Play Store. Many GNex users used that for their lower than normal speaker.
Sent from my SCH-I535 using xda app-developers app
Click to expand...
Click to collapse
I just tried it. It did nothing to the volume level. Neither quieter or louder.
I take it there's no way to do it?
Try this. Phenomenal sound. Read the op carefully for all the install instructions. Hope it works for you.
http://forum.xda-developers.com/showthread.php?t=1883262
Sent from my SCH-I535 using xda premium
aldude999 said:
I just tried it. It did nothing to the volume level. Neither quieter or louder.
Click to expand...
Click to collapse
Try playing with it some more. I use the paid version and it works great at increasing the volume.
Sent from my SCH-I535 using Tapatalk 2
aldude999 said:
Hello everyone!
I got the S III a few days ago and so far I'm pleased with it. I rooted it yesterday and got rid of the Verizon crapware and it's even better! I do have one issue though. I often listen to music in my car, and for that I usually use my phone. I'm having an issue with it being to quiet though. All of my other phones and tablets have been loud enough, but the S III is just barely audible when I'm on the highway even on full blast.
Click to expand...
Click to collapse
That prompt appears to be only a benign warning - happens when you have a plug in the headphone jack and then raise the volume beyond a certain point.
This phone's playback volume is good for me using the headphone jack in the car, for what it's worth.
- ooofest
I've been searching to solve this issue as well. Try awesome beats http://forum.xda-developers.com/showthread.php?t=1819353 (note: I just made a nandroid backup and flashed the zip and it works) in the awesomebeats app I set bluetooth tab(assuming bluetooth headset) I set beats boost enable and moderate, enable equalizer: preset: vocal boost, loudness compensation: weak or strong. It seems to make an improvement unless I'm just experiencing a placebo effect.
Just search volume+(volume boost), on play store a simple app to boost volume
Sent from my GT-I9300 using xda premium
drbveb88 said:
Try this. Phenomenal sound. Read the op carefully for all the install instructions. Hope it works for you.
http://forum.xda-developers.com/showthread.php?t=1883262
Sent from my SCH-I535 using xda premium
Click to expand...
Click to collapse
Ok, so I really thought this would work, but once it hits a little over half way volume level (or the point where it starts saying loud music may harm your hearing), and I try to turn it up, it doesn't get any louder. Seems like it just increased the gain. Thanks though.
I'll try awesome beats next, I just don't need the bass so loud, I already have a subwoofer in my car. ^^
Volume+ is what you need I use this myself and it definately works, make sure to go into each of the settings speaker, headphone, bluetooth and check off audio modifications and use custom eq settings then slide your eq settings up. play around with the settings to get best balance. Bottom slider is volume boost.
I use my GS3 in my car and I don't have a problem. I run it through a horrible fm transmitter and it is still loud enough. When I plug it in at first it cuts my volume in half due to the headphone safety setting which I can't find to turn off. It was an option on my Droid Razr. I'm running the synergy rom on my phone. You can try messing with the equalizer settings depending on what you play your music through that should help. but it sounds like a problem with your radio or your aux cable you are using. Try it in someone else's car or a different cable.
jasondhsd said:
I've been searching to solve this issue as well. Try awesome beats http://forum.xda-developers.com/showthread.php?t=1819353 (note: I just made a nandroid backup and flashed the zip and it works) in the awesomebeats app I set bluetooth tab(assuming bluetooth headset) I set beats boost enable and moderate, enable equalizer: preset: vocal boost, loudness compensation: weak or strong. It seems to make an improvement unless I'm just experiencing a placebo effect.
Click to expand...
Click to collapse
Amazing. Exactly what I was looking for! THIS IS A GREAT SOLUTION FOR ANYONE LOOKING!
Thank you for sharing, it is indeed an improvement.
I'm just trying to find out whats draining my battery now though. Seems the "Phone" application has began to drain battery life, but it may just be a coincidence.
Pirate Chef said:
I use my GS3 in my car and I don't have a problem. I run it through a horrible fm transmitter and it is still loud enough. When I plug it in at first it cuts my volume in half due to the headphone safety setting which I can't find to turn off. It was an option on my Droid Razr. I'm running the synergy rom on my phone. You can try messing with the equalizer settings depending on what you play your music through that should help. but it sounds like a problem with your radio or your aux cable you are using. Try it in someone else's car or a different cable.
Click to expand...
Click to collapse
It's my setup. I'm using computer speakers and an inverter with a subwoofer to listen to music. It's all good now though. I found a great solution.

[Q] HBS730 + Sound Playback = No Muting Audio

Hey Folks,
Having an odd one with my new perfect nexus 5. I use the LG HBS730 BT Headset and while I play any sound I am unable to fully mute the audio. I tried lowering it via the volume on the phone and headset. It lowers but not mute it fully, the low volume is still pretty loud.
Anyone else tried this? Works perfect on my old phone as well as my iPad, when I lower it fully it'll mute but not on my nexus.
Thoughts?
Btw tried it with Google Play Music and YouTube, same issue.
The HBS730 is loud as hell on its lowest setting. The 700 is normal. The reason it is so loud on the Nexus is the Bluetooth is now linked up volume wise. The problem is the 730 not the nexus.
Sent from my Nexus 5 using XDA Premium 4 mobile app
naturefreak85 said:
The HBS730 is loud as hell on its lowest setting. The 700 is normal. The reason it is so loud on the Nexus is the Bluetooth is now linked up volume wise. The problem is the 730 not the nexus.
Sent from my Nexus 5 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Its not about being loud my issue, its the fact that i am unable to mute the audio. I can do this on an HTC One XL, S4, and iPad.
With the Nexus, i cant mute it.
miamidesigner said:
Its not about being loud my issue, its the fact that i am unable to mute the audio. I can do this on an HTC One XL, S4, and iPad.
With the Nexus, i cant mute it.
Click to expand...
Click to collapse
I could mute mine on 4.3, but not 4.4. Like I said, the OS in 4.4 now links up Bluetooth Volume level to the media volume level. This leads to it being unable to be muted since you can't turn down the volume past the lowest the headset offers. The closest thing you can do is pause, but that's it.
FYI, I have 2 HBS730's, and a HBS700.
naturefreak85 said:
I could mute mine on 4.3, but not 4.4. Like I said, the OS in 4.4 now links up Bluetooth Volume level to the media volume level. This leads to it being unable to be muted since you can't turn down the volume past the lowest the headset offers. The closest thing you can do is pause, but that's it.
FYI, I have 2 HBS730's, and a HBS700.
Click to expand...
Click to collapse
Bummer. Guess ill just have to pause it from on. Thanks @naturefreak85
naturefreak85 said:
The HBS730 is loud as hell on its lowest setting. The 700 is normal. The reason it is so loud on the Nexus is the Bluetooth is now linked up volume wise. The problem is the 730 not the nexus.
Sent from my Nexus 5 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Any fix? I am using an equalizer as a workaround but it's kind of inconvenient. The equalizer app sometimes got killed and then the volume jumps (and so do I)!
I have this headset and I love it. unfortunately I have the same problem in that even on its lowest setting its pretty loud.

Anyone have Bluetooth distortion issues??

Hey everyone,
Found out my company is ditching Sprint for Verizon which means I have to part with my beloved Nexus 5.
Anyway, from what I've been reading on here it seems like the M8 is really the only Verizon phone that can be rooted. I've had a few HTC phones over the years, including the M7, but they never seem to get along with my car's stereo. The phone part works fine but when I stream music via Bluetooth there is always a great deal of distortion in the high end. Especially on cymbal crashes. This makes it pretty much unlistenable. I'm curious if anyone has experienced anything like with with the M8? I've Googled it a few times and found threads about the One X and One M7 having this problem but have yet to see anything about the M8.
I don't stream to my car often, but on the handful of times I have, I didn't notice any sound issues. This was using Pandora and Google Music, on a Ford (2008 model).
sfreemanoh said:
I don't stream to my car often, but on the handful of times I have, I didn't notice any sound issues. This was using Pandora and Google Music, on a Ford (2008 model).
Click to expand...
Click to collapse
Thanks for the info!
Just got my jaybird x's today and guess what. Filled with static. I could not be more annoyed with this particular phone right now. Three defects in one model I mean come on. Speaker crackle. Screen is creased and looks like you're pressing down on a TV and now Bluetooth has static
Sent from Tapatalk on my one m8
I can't say for certain, but I imagine bluetooth audio issues would most likely be due to whatever is actually playing the music, not the phone. Bluetooth audio, in general, is terrible - unless you're using something like the HTC Stereoclip which does not use that same audio codec that just about everything else does. You could have lossless flac files on your phone, and 9/10 times it's gonna sound like crap over bluetooth, no matter what the music is being sent from.
I stream daily over Bluetooth and it sounds amazing. Vzw.
Sent from my HTC6525LVW
Just plugged mine into my aftermarket JVC GPS stereo on a my truck which gets only occasional use these days. Have to say I was somewhat blown away when I pushed some Comfortably Numb into the 5 speakers (Inc sub) and cranked up the volume. Most impressive...
The wife gets terrific sound from her N7 to some small bluetooth speakers we got last year and has no issues unless she's using TuneIn at which point it goes from OK to awful.
I say this to simply point out that the invariable rule of YMMV seems to hold sway here but I don't think the M8 has any generic systematic failure with bluetooth audio.
Sent by Tapatalk Pro running my rooted Big Red HTC One M8
wtoj34 said:
Just got my jaybird x's today and guess what. Filled with static. I could not be more annoyed with this particular phone right now. Three defects in one model I mean come on. Speaker crackle. Screen is creased and looks like you're pressing down on a TV and now Bluetooth has static
Sent from Tapatalk on my one m8
Click to expand...
Click to collapse
Hmmm... thats not what I want to hear.
brandogg said:
I can't say for certain, but I imagine bluetooth audio issues would most likely be due to whatever is actually playing the music, not the phone. Bluetooth audio, in general, is terrible - unless you're using something like the HTC Stereoclip which does not use that same audio codec that just about everything else does. You could have lossless flac files on your phone, and 9/10 times it's gonna sound like crap over bluetooth, no matter what the music is being sent from.
Click to expand...
Click to collapse
This is true. But I'm talking hiss/distortion like a speaker is blown. I'm just streaming Spotify to my cars stereo and not expecting flawless audio but the issues I have with the M7 were unlistenable.
1ManWolfePack said:
I stream daily over Bluetooth and it sounds amazing. Vzw.
Sent from my HTC6525LVW
Click to expand...
Click to collapse
Thanks!
Not Enough Coffee said:
Just plugged mine into my aftermarket JVC GPS stereo on a my truck which gets only occasional use these days. Have to say I was somewhat blown away when I pushed some Comfortably Numb into the 5 speakers (Inc sub) and cranked up the volume. Most impressive...
The wife gets terrific sound from her N7 to some small bluetooth speakers we got last year and has no issues unless she's using TuneIn at which point it goes from OK to awful.
I say this to simply point out that the invariable rule of YMMV seems to hold sway here but I don't think the M8 has any generic systematic failure with bluetooth audio.
Sent by Tapatalk Pro running my rooted Big Red HTC One M8
Click to expand...
Click to collapse
Thanks!
From what I understand, it has something to do with HTC setting the bitpool value too low. Which, in itself, might not be a big deal but it might just be a issue with that value combined with my car's stereo. I just don't want to lose root when I move to Verizon.
brandogg said:
I can't say for certain, but I imagine bluetooth audio issues would most likely be due to whatever is actually playing the music, not the phone. Bluetooth audio, in general, is terrible - unless you're using something like the HTC Stereoclip which does not use that same audio codec that just about everything else does. You could have lossless flac files on your phone, and 9/10 times it's gonna sound like crap over bluetooth, no matter what the music is being sent from.
Click to expand...
Click to collapse
Maybe the stereo in your car just sucks? Streaming Pandora over BT in my car usually sounds great. I mean granted it's not as good as using headphones, but it sounds pretty damn good.
Also, I streamed some more over this last weekend, and while the quality was still good, it did disconnect once for no apparent reason. And once it happened, I remembered that it happened a few weeks ago as well. Same thing, I was just driving along both times, and my BT just seemed to shut off. I turned BT back on, reconnected Sync (it's damned annoying how Sync never automatically reconnects), and it worked again for the rest of the weekend.
sfreemanoh said:
Maybe the stereo in your car just sucks? Streaming Pandora over BT in my car usually sounds great. I mean granted it's not as good as using headphones, but it sounds pretty damn good.
Also, I streamed some more over this last weekend, and while the quality was still good, it did disconnect once for no apparent reason. And once it happened, I remembered that it happened a few weeks ago as well. Same thing, I was just driving along both times, and my BT just seemed to shut off. I turned BT back on, reconnected Sync (it's damned annoying how Sync never automatically reconnects), and it worked again for the rest of the weekend.
Click to expand...
Click to collapse
Thanks for the info.
I saw that an OTA for the M8 pushed out today (I think) that was supposed to fix some Bluetooth issues. I won't if the disconnects were addressed.
I'm M8 should be here on Monday. I really hope it works out OK. I don't want to send it back for an iPhone. :crying:
Another OTA? Has anyone else heard this? I am having a really rough time with bluetooth headset outgoing voice quality so some sort of fix would be awesome.
Sent from my Nexus 10 using Tapatalk
If the phone volume is at max it will distort. When I turn the volume to max while streaming Bluetooth to my car stereo it sounds crackling and distorted. Turning volume down 2 clicks to about 85% on the phone fixes it
Sent from my HTC6525LVW using Tapatalk
AustinML71 said:
Another OTA? Has anyone else heard this? I am having a really rough time with bluetooth headset outgoing voice quality so some sort of fix would be awesome.
Sent from my Nexus 10 using Tapatalk
Click to expand...
Click to collapse
Sorry, I should have checked the date. The thread is fromm the 18th. This is the one I was referring too.
http://forum.xda-developers.com/showthread.php?t=2722817
Evocm7 said:
If the phone volume is at max it will distort. When I turn the volume to max while streaming Bluetooth to my car stereo it sounds crackling and distorted. Turning volume down 2 clicks to about 85% on the phone fixes it
Sent from my HTC6525LVW using Tapatalk
Click to expand...
Click to collapse
It's not a volume thing. I've tried turning it down when I had the M7 and it sounded the same.
Evocm7 said:
If the phone volume is at max it will distort. When I turn the volume to max while streaming Bluetooth to my car stereo it sounds crackling and distorted. Turning volume down 2 clicks to about 85% on the phone fixes it
Sent from my HTC6525LVW using Tapatalk
Click to expand...
Click to collapse
Again, sorry, but it may just be your stereo. When Bluetooth streaming to my car I always have my phones media volume maxed and I control the listening volume via the car volume, and it sounds fine.
sfreemanoh said:
Again, sorry, but it may just be your stereo. When Bluetooth streaming to my car I always have my phones media volume maxed and I control the listening volume via the car volume, and it sounds fine.
Click to expand...
Click to collapse
Do you have an aftermarket stereo? I've had 4 different head units on my car, all high end Sony and clarion and all had same thing with max volume all my previous 3 phones ( rezound, s4, and m8). Just curious if it's just aftermarket decks that have this issue which I really don't consider an issue. I prefer to have the volume lower on the source and let my deck and equalizer provide the output anyway.
Sent from my HTC6525LVW using Tapatalk
Evocm7 said:
Do you have an aftermarket stereo? I've had 4 different head units on my car, all high end Sony and clarion and all had same thing with max volume all my previous 3 phones ( rezound, s4, and m8). Just curious if it's just aftermarket decks that have this issue which I really don't consider an issue. I prefer to have the volume lower on the source and let my deck and equalizer provide the output anyway.
Sent from my HTC6525LVW using Tapatalk
Click to expand...
Click to collapse
No, it's a factory Ford stereo. If you know someone with a factory BT compatible stereo, maybe try pairing your phone to their car and see if streams with or without distortion?
I mean, it's possible your particular phone itself could be bad. I just don't think it's all M8's since I don't have a problem, and because I imagine we would have seen a lot more complaints.
For six months I have been playing music in my car with a one (M7) via Bluetooth, with very annoying vibrations that eventually damaged my car stereo. I just found out that if I launch the media app via the "HTC car" app, the volume is much louder and I don't have those vibrations anymore. By default the HTC car app in the M7 only includes the default "Music" app, but other media apps may be added.
Hope this may help for the M8 too.
By these vibrations detroyed my car stereo, and I had to change it. I am pretty annoyed that HTC doesn't mention this anywhere, and leaves it to the user to find out.

[Q] Bluetooth Volume Level

Hi!
I bought car holder for my Note Pro to listen music from it and use it as navigator.
I noticed that volume level is very weak over Bluetooth (I connect my devices to my car speakers over BT) when compaired to my Note 3. NP is same loud on max volume what Note 3 is with 3/4 volume. So max volume leaves too low (I have to trun so much volume to my car radio that I'm terrified of blowing up my aplifiers, since I have never turn volume so loud when using USB, radio, or Note 3 over BT).
Is there any way to boost that volume up, to get it at least same level as Note 3? I got rooted tablet, but no custom recovery or so.
I found somewhere that editing mixer_paths file, you can increase volume levels, but only for speakes and headphones.
So any help is welcome
Try Viper4Android. Gives you a bit of gain control, and other quality enhancements over speaker, headphones, USB and Bluetooth.
Sent from my SM-P900 using Tapatalk
dodo99x said:
Try Viper4Android. Gives you a bit of gain control, and other quality enhancements over speaker, headphones, USB and Bluetooth.
Sent from my SM-P900 using Tapatalk
Click to expand...
Click to collapse
In fact I found and installed it yesterday evening, just hadn't got time to test it. At least there is option to enable Bluetooth tweaks and boost volume level up. Need to test does it really do that on my device.
I'll report here when I have tested it.
I've never tried it on smp900, but works really well on my Nexus 5/Bluetooth
Sent from my SM-P900 using Tapatalk
I haven't got time to get any deeper in to this, but so far when I enable master power for Bluetooth devices on Viper4Android and set "output gain" up to the max (6.0dB) under master gate, I get a bit louder BT output.
This is good start, just can't turn enough gain to it. Clearly my Note 3 is still louder when playing music through BT than my NP.
Need to play around V4A and read about it to find out if there's some other twaks that could help me on this.

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