So I installed one of the Android radio's in my car over a year ago. Its been amazing so far. The only problem I have with it is during a bluetooth call, whoever I'm talking to hear's an echo coming in on there phone? So whatever they are saying, it gets echoed back to them. I don't hear the echo at all. I'm thinking that maybe the factory microphone and mic built in on the radio are both picking up the words and thus echoing it back to the person. Any thoughts? I'm considering pulling the radio out of the car and opening it up and de-soldering the wires running into the mic that's built in and just running them to the factory microphone wires directly at the head unit. This way I know for sure only 1 microphone is being picked up.
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Called joying and they told me the audio for the phone bluetooth connection only will come out of the front left speaker on all their units, can anyone confirm this? In my vw the sound while on a phone call comes out of all the speakers. Any car i have ever been in the sound comes out all speakers while on a call, not sure why on these it only comes out one channel if its true.
Thanks to anyone to confirm this.
On mine it comes out the passenger side. I know my Kenwood would allow me to select. I've gotten used to it so it's really no big deal
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madcowintucson said:
Called joying and they told me the audio for the phone bluetooth connection only will come out of the front left speaker on all their units, can anyone confirm this? In my vw the sound while on a phone call comes out of all the speakers. Any car i have ever been in the sound comes out all speakers while on a call, not sure why on these it only comes out one channel if its true.
Thanks to anyone to confirm this.
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Yup mine does the same thing and it really sounds bad. It comes out of the passenger side and middle dash speaker, but mostly just the tweeters....At highway speed I cant hear half the call.....I am hoping to find a way around this.
Oh wow OK. I had an idea u had a spare Bluetooth speaker laying around and I can use that in the car but it basically defeats controlling the audio from the dash. This blows my mind how bad the audio is in these. Now is that speaker out or rca out on yours?
madcowintucson said:
Oh wow OK. I had an idea u had a spare Bluetooth speaker laying around and I can use that in the car but it basically defeats controlling the audio from the dash. This blows my mind how bad the audio is in these. Now is that speaker out or rca out on yours?
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No, my current set up is still using the factory wiring harness. I havent had a chance to get my amps and trunk all set up for the RCA outs yet. I am hoping someone smarter than me can figure out a way to change the phone audio output settings.....
I am pretty sure it could be done with alsa mixer but I have no clue how to use it to route audio in Android it's very complicated and zero instructions.
madcowintucson said:
I am pretty sure it could be done with alsa mixer but I have no clue how to use it to route audio in Android it's very complicated and zero instructions.
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It really is a shame. The phone app is just sad all the way around on this unit. Not having a Favorites list is a another big downer.....and I dont know if yours does it at all, but when I am on a phone call I cannot access anything until the call is ended. Everything gets grayed out even when I minimize the call option on the bottom of the screen....I am pretty sure that is just a bug in the software that will get fixed in an update
I don't have a unit yet myself but at this rate it may be only good for controlling the phone but for that matter I can get a separate controller for that.
On my Joying it does this as well, all of the audio comes out of the front passenger speaker. However it doesn't sound bad. It gets very loud, and I can make and receive phone calls fine. The sound is mono as opposed to stereo, and that does sound weird, but I have no issue hearing calls.
Can people with a non-Joying unit chime in? does it do the same one speaker thing? or is that Joying specific?
In the old days this was common practice so as the speakers didn't cause feedback with the microphone which was most commonly mounted atop the drivers pillar. So the opposite speaker was used for audio
I have a Funrover head unit since almost a week and I have the same issue, sound is coming only from front speakers which make the call over bluetooth just a hell for me.
I barely can hear the caller specially while driving
this is a nightmare !!!
Sofia units use both front speakers.
All PX5, no matter Joying or other units, only use one front speaker
surfer63 said:
Sofia units use both front speakers.
All PX5, no matter Joying or other units, only use one front speaker
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Ok thanks, but that being said, is there a way to remediate to this ?
namek09 said:
Ok thanks, but that being said, is there a way to remediate to this ?
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I don't know. It is already going back to the PX3 models. Loads of topics written about it in the mtcb/d forums. It is best to search there.
phone audio is mono anyway, so I guess they just route it to one of the boxes.
Hi all.
I stumbled upon these forum by googling my issue. So far I haven't found any answers to my problems, so hoping for some help from the great people on here.
I have recently installed a seicane 10.1 android head unit into my jeep wrangler.
It appears to have a few little issues like audio is automatically somewhat louder on start up ...... but my main issue is
Only the radio app has sound.... no other apps have sound.
All speakers are working correctly with the radio app. Canbus setting is correct. But no sound output from the other apps.
If anyone has experienced this and can shed some light on it for me I would greatly appreciate it.
Thanks.
If it is a new unit,I guess you car may has factory amp,you need to connect the head unit amp harness to your car amp harness.
If the unit used for several months,then other apps no sound,I guess the main board is broken.
It is better for you to contact the seller for help.
May be a shot in the dark, but you might have hooked the amp wire up to the 'powered antenna' wire by mistake. If you tune to a radio station, that wire will get power and you will hear the sound, but if you are on a different app, that wire will not get power and you will not hear sound.
The amp wire coming from the radio will always have power and will work on all apps, and they are both blue and easy to confuse.
Pklains advice wprked for me.
The remote wire is black on the back of my unit. I accidentally hooked up blue antenna wire so it only powered amp when radio app was on.
I was NOT wiring it up incorrectly.
It was a software fault. I since got a replacement from the manufacturer (took 3 long months) since installing the replacement it worked perfectly.
hi ... same thing happened to me. Check your system. If your speaker lines is going through any amp, bridge, crossover or whatnot then do not supply CAR'S signal wire from ANDROIDS radio antenna signal wire (the android unit's antenna wire has +12v only when radio is on) - test audio by supplying 12v to your CAR'S signal wire. Simple yet it took me some time to figure things out. I hope this helps out someone who has the same problem.
Also it is not advisable to connect ANDROID amplified output to VEHICLES AMP - should be pre-amp from ANDROID to AMP or use LINE OUTPUT CONVERTERS or DIY (search speaker level to line level adapter ... a simple voltage divider worked for me) make sure you know car amps impedance before anything else ( industry standard is 10k )
I have the same problem with my PX6. The unit worked for a few months, but all of a sudden I only get sound from the FM radio.
Any advice?
duelago said:
I have the same problem with my PX6. The unit worked for a few months, but all of a sudden I only get sound from the FM radio.
Any advice?
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did you find a solution to this? I sometimes get this, the only way for me to fix it is by doing a hard restart by pressing powerbutton for 15seconds
rowan112 said:
did you find a solution to this? I sometimes get this, the only way for me to fix it is by doing a hard restart by pressing powerbutton for 15seconds
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I'm waiting for parts from China. Stuck in customs. I let you know if it is hard to replace and if it solves the problem...
duelago said:
I'm waiting for parts from China. Stuck in customs. I let you know if it is hard to replace and if it solves the problem...
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Do you get this issue all the time or is it random?
for me it's random, i have to force restart the unit to get sound working on stuff that's not radio/beeps.
rowan112 said:
Do you get this issue all the time or is it random?
for me it's random, i have to force restart the unit to get sound working on stuff that's not radio/beeps.
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I get it all the time, but it started with a lot of "static noice" from the speakers. That went away if I rebooted the device. The unit worked again for a few minutes and the problem with the noice was back. One day it just went totally silent except beep and FM radio
duelago said:
I get it all the time, but it started with a lot of "static noice" from the speakers. That went away if I rebooted the device. The unit worked again for a few minutes and the problem with the noice was back. One day it just went totally silent except beep and FM radio
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ah so we are having different problems then
rowan112 said:
ah so we are having different problems then
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I had to desolder the amplifier (TDA7851L) and replace it with a new one. Not easy, but everything works for me now
I don't see my exact problem, which is very similar to everyone here. I get sound from the Radio app - but if I use the Radio app, I lose sound everywhere else. I retain the ability to use the Radio for sound. This also happens upon a reset, as if it starts the radio first or something - but the app doesn't need to be started for that to be a problem. This started upon initial installation.
Fun thing: If I power off the car (battery still connected of course), wait a few minutes, then try stuff, I get sound everywhere. Until I use the Radio app, of course. Naturally it decides to reboot when it feels like it, so this is annoying.
I have an Eunavi HU. The same heppened to me after upgrading the firmware with a file provided by manufacturer. No sound, only on radio. After few messages with the manufacturer here is the solution that worked: Factory settings->DSP settings->ARM Audio Input Selection-> check Analog Input. Hope this solution will help someone.
HelloI have this problem with my ts10 hu
Hi. After changing Canbus setting in my android head unit, I haven't any sound in all app and radio in my HU. Please help me.
I got fed up with not being able to understand a word when my wife is driving, with her old Android 4.4.4 head unit. 4 years ago I tried all of the known microphone mods, externalizing the internal microphone and splitting the microphone between the Bluetooth and the internal microphone. It never really helped.
During Aliexpress big sale recently, I got her a px6 (non-MTCD) head unit. The screen and everything else seems to work fine, but the noise when she is talking via Bluetooth is just unbearable. I have tried a few different external microphones, and it sounds like a tornado is blowing in the background. I refuse to start cutting mics again and am just going to return it.
Are there any units out there that have decent sound cancellation? Or is that too much to ask of a chinese radio?
Hey all,
I upgraded from a PX5 Xtrons. Had no issues with it.
When volume is muted, there's no sound. When on 1 or higher, there's a background fuzz. Not static but just a general oldschool hifi 'furry' sound. It doesn't get louder if I turn the volume up. I've tried unplugging everything but the main harness. Doesn't matter if the engine is running or not.
I'm using the Xtrons harness because I didn't want to have to run a whole new one to the boot where the factory amp is. It looks like there's a couple of pins different too. Hoping it's not that...
Any ideas?
Thanks.
Honestly most of these units in my experience have some. WiFi, cell phones, radio etc can sometimes be picked up by the amplifier circuit and you'll hear their resonate frequencies through the car stereo (turn any stereo up loud and put a phone near the active input cable... you'll hear it). Honestly the best thing you can do is make sure the radio is grounded to your chassis directly, that way a lot of these spurious signals are filtered properly and their pesky resonates cease to exist!
Oh and it usually quits when you turn it to 0 because it actually completely shuts down the amplifier...
Thanks for the response. I’ll pull the head unit out at some stage and try and ground it. If it fixes it I’ll report back. Thanks again.
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Hi all,
I bought a PX5 radio marked TOOPAI. The Android version installed is 10. The internal microphone has a very strange behaviour.
The issue with the microphone is that the sound is very bad. If I try to use the mic app from Android to test my voice, the gain meter goes out of range and the voice is all very bad static...
If I reboot the unit the problem is fixed, What can it be?
The unit does not shutdown completely when I switch off the car. It goes into a sort of sleep mode and when I switch on the car again (even the next day) the units starts immediately and the microphone issue is back again.
Thanks to everyone that will help!
No one with ideas? Thanks!
I have exactly the same problem also with a PX5 unit. I don't suppose you had any luck?
Im currently dealing with the people I bought it form trying to sort it. Just to post what has been tried and not worked so far.
Internal and external mic have the same problem so switching does not help
I updated the firmware on the unit that was supplied by the seller and still no luck
I have recorded the audio with and without the problem and sent it to seller. They seem to be having some difficulty playing the MP3 but im hoping we can work out what the problem is.