Background noise from Dasaita Max6 PX6 4gb/64gb - PX6 - MTCD Android Head Units General

Hi,
My Dasaita Max6 PX6 4gb/64gb - PX6 is making a little background noise.
At first, I thought the noise was coming from the speakers, but it is actually from the device itself.
If Volume = 0, then there is no noise from the device.
If Volume > 0, then little background noise.
It is really not a major disturbance, but no noise at all would be better
Any ideas ? What is going on there ?

GL29 said:
Hi,
My Dasaita Max6 PX6 4gb/64gb - PX6 is making a little background noise.
At first, I thought the noise was coming from the speakers, but it is actually from the device itself.
If Volume = 0, then there is no noise from the device.
If Volume > 0, then little background noise.
It is really not a major disturbance, but no noise at all would be better
Any ideas ? What is going on there ?
Click to expand...
Click to collapse
I just installed a similar unit in my 2015 Highlander tonight and have the same problem. Hopefully someone can respond with a solution.

Wire ground to chassis
Enviado desde mi SM-G950F mediante Tapatalk

ikerg said:
Wire ground to chassis
Enviado desde mi SM-G950F mediante Tapatalk
Click to expand...
Click to collapse
Sorry, by chassis, do you means the device itself or something in the car ?

ikerg said:
Wire ground to chassis
Enviado desde mi SM-G950F mediante Tapatalk
Click to expand...
Click to collapse
I am coonected wire ground to car chassis already but still have problem.
I've had PX5 model before It can do better

Is it really from the unit? That seems both strange and concerning. If you put your ear against the face do you still hear the noise coming from the unit? The only thing I can imagine would make a noise that behaves that way is the amplifier chip has background hiss or some other noise and when you set the volume to 0 it gets muted by turning off the output so no noise. Maybe re-soldering the amp pins might help if there's a cold solder joint that generates a buzz.

nic2k said:
Is it really from the unit? That seems both strange and concerning. If you put your ear against the face do you still hear the noise coming from the unit? The only thing I can imagine would make a noise that behaves that way is the amplifier chip has background hiss or some other noise and when you set the volume to 0 it gets muted by turning off the output so no noise. Maybe re-soldering the amp pins might help if there's a cold solder joint that generates a buzz.
Click to expand...
Click to collapse
Hi,
Dasaita support is trying to solve the issue for me. It looks like they think it could be related to the cable connecting speakers and Bose amplifier. Because I don't have a Bose amplifier, they've asked me to to the following:
I have been asked to open a plug (No 1 on the picture) and too connect RCA avec câble AUX.
The background noise is now gone, but the sound (music) is extremely low - even at Volume max it is too low.
I am waiting for Dasaita support to revert.
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my issue is the same as in the first post
i've opened up my unit an i can confirm that there is some kind of whining noise (stops when mute is aplied) and it can be easily heard
solution from dasaita is sipmly to connect preamped signal to highlevel speaker output. it won't work for people without external amplifiers (too low voltage).

Hey @mahtew I have same problem with "noise" whenever volume is above 0.
Could you explain what you mean by "connecting preamp signal to high-level speaker output", I have Bose amplifier (Mazda 6 2015)
thanks

Most of these Chinese head units have this kind of problems, because of bad quality components used.
I have similar background noise and it increases when I increase brightness of screen and it decreases when decrease brightness.

The issue of noise is only affecting to amplified systems...but...those who have the issue....is stock amplified or custom amplified?
Anyone without amplifier is affected by this noise?
Enviado desde mi SM-G950F mediante Tapatalk

I have the same problem.
In particular, the noise I'm hearing has two components: one is a low-volume white noise, coming definitely from the speakers. The other component is a very high-pitched "whining whistle", which is superimposed on the white noise. I'm not really sure whether the whistle comes from the speakers or from the unit.
Both noises do not increase linearly with volume (i.e. they always have the same fixed volume), and both noises stop as soon as I mute or set volume to zero.
Just to make things clearer, are you guys experiencing the same thing?

I have no amplifier at all just using the head unit and nothing else. And do have the same white noise hiss along with the very faint whiney whistle sound. Unless muted or when music is playing. Then the noise is probably there but it is drowned out since it doesn't seem to get louder. My thinking is this noise is coming from the head units amplifier. On my system it exists with only power and speakers connected. I programed a mute button on my stereo to deal with it.. when playing music or anything its not noticeable enough to make me worry. I remember in the late 80's cheap amplifiers with this problem. With a quality external amp it should be fairly easy to tune this out. I've got a good ground to the car frame and have played around with and without the radio antenna connected. The noise seems to persist regardless.

GL29 said:
Hi,
Dasaita support is trying to solve the issue for me. It looks like they think it could be related to the cable connecting speakers and Bose amplifier. Because I don't have a Bose amplifier, they've asked me to to the following:
I have been asked to open a plug (No 1 on the picture) and too connect RCA avec câble AUX.
The background noise is now gone, but the sound (music) is extremely low - even at Volume max it is too low.
I am waiting for Dasaita support to revert.
Click to expand...
Click to collapse
You can increase or decrease the preamp signal in setting/carsetting the code is 126 , got o other if i remember well.
it should work.

zedmel said:
You can increase or decrease the preamp signal in setting/carsetting the code is 126 , got o other if i remember well.
it should work.
Click to expand...
Click to collapse
I tried that, still too too low.... and still no need from Dasaita support ... Fast for selling, not so fast supporting their products.

I've been inside the factory settings quite a lot. I think to adjust the amp setting you need to use code "m123456". This seems to also effect the level of sound the unit sends from it's internal amplifier. it doesn't however effect the very slight hiss noise in my unit.

i've seen on 4pda that there is new version of MAX6 board (HA-d6000) - HA-d6100 v0.1 with 2019-07-01 date.
hope they solved noise issue. anyone know anything about it?

mahtew said:
i've seen on 4pda that there is new version of MAX6 board (HA-d6000) - HA-d6100 v0.1 with 2019-07-01 date.
hope they solved noise issue. anyone know anything about it?
Click to expand...
Click to collapse
What does the reseller/Dasaita say about it?

marchnz said:
What does the reseller/Dasaita say about it?
Click to expand...
Click to collapse
that it is the same as MAX6 version.
below are two photos. first one is for MAX6 /d6000 MCU board (photo made by me); second one is for d6100 MCU board (photo borrowed from 4pda).
so there are some obvious differences in layout, but ICs might be the same. so the issue with noise might be still present. also there is an extra slot on d6100 (for what ? ).
you can compare those two.
i was thinking about buing one and testing it, but if those boards are the same then there is no point.

Those 2 boards definitely are not the same. You can clearly see the DSP chip and DACs on the top face of your board but I can't see anything on the 4pda board. I'm wondering if that new connector could be where they connect a DSP daughter card but more likely they simply moved it the the bottom face of the board. That's the other thing I was going to mention they put the audio circuitry right under the processor board if there's any analog lines in there it could easily pick up noise. With that circuitry on the bottom face it would be easy to place a ground plane in between and shield any noise. I don't want to give anyone bad ideas but there might be a solution though it's risky if not done right.

Related

GS3 Car Stereo - Aux Input issue

Hello everyone,
I have noticed an issue with my s3 and thought I'd ask around. I tried connecting my phone with my cars stereo using an aux cable but every time I do that the sounds comes through the phones speakers. Plugging the cable in and out once gets the sound through the car but it again stops if I change the song or if I receive a notification even.
It doesn't seem to be an isolated instance since i saw another person face the exact same problem on another forum. I'm thinking that maybe my 2 contact aux cables might be to blame here, but really don't wanna buy a third one before getting some input. I also guess it can equally be a software or even a hardware issue.
So has anyone else noticed this?? Any help would be appreciated. Thanks
i plug in to my car's aux jack all the time while using pandora and have had no problems.
what type of 3.5mm audio jack are you using, the really thick ones, or the thin ones? thick ones cause problems sometimes by not getting full contact(as the base is too big), had this issue with a new car stereo and my old g2.
basically, this is the one that's too thick, especially for aftermarket stereos:
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this type fits just right and makes proper contact:
Cobra281 said:
what type of 3.5mm audio jack are you using, the really thick ones, or the thin ones? thick ones cause problems sometimes by not getting full contact(as the base is too big), had this issue with a new car stereo and my old g2.
basically, this is the one that's too thick, especially for aftermarket stereos:
this type fits just right and makes proper contact:
Click to expand...
Click to collapse
To be honest the ones that i have ( both of them actually) appear to be too thick as compared to the OEM headphone's pin. Was the problem that you were facing similar to the one I am now i.e. sound starts playing sometimes and stops when u change the track ?
I have the same problem. Let me guess... you have to plug it in and out to make a call with earphones too?
Zza1989 said:
I have the same problem. Let me guess... you have to plug it in and out to make a call with earphones too?
Click to expand...
Click to collapse
Hey Zza1989, thanks for the reply. I havent made that many calls using the earphone, but when i tried it now it seemed to work ok. However the S3 seems to have a tough time detecting my cars stereo when plugged into it.
If you're facing the same issue with the aux, can i please know what car you are using it with. I replied on another forum where someone was facing the same issue and it turned out that we were both using the phones with Saab's. What about you ?
saadi107 said:
Hey Zza1989, thanks for the reply. I havent made that many calls using the earphone, but when i tried it now it seemed to work ok. However the S3 seems to have a tough time detecting my cars stereo when plugged into it.
If you're facing the same issue with the aux, can i please know what car you are using it with. I replied on another forum where someone was facing the same issue and it turned out that we were both using the phones with Saab's. What about you ?
Click to expand...
Click to collapse
I'm actually using an aftermarket stereo by Sony. But I still get the same problem. I doubt it has anything to do with the car as the sane thing happens to me with my skull candy earphones ad well as my car stereo with aux connection. Only with the stock Samsung earphones provided with the phone does it work properly. And even then it's a little sketchy sometimes.
Zza1989 said:
I'm actually using an aftermarket stereo by Sony. But I still get the same problem. I doubt it has anything to do with the car as the sane thing happens to me with my skull candy earphones ad well as my car stereo with aux connection. Only with the stock Samsung earphones provided with the phone does it work properly. And even then it's a little sketchy sometimes.
Click to expand...
Click to collapse
Ohh... So if you're facing issues with other headphones it might even be a hardware issue I guess. I think I'll send an email to Samsung support team and see if they respond or not :s
Kinda sucks for such an awesome phone !!
saadi107 said:
To be honest the ones that i have ( both of them actually) appear to be too thick as compared to the OEM headphone's pin. Was the problem that you were facing similar to the one I am now i.e. sound starts playing sometimes and stops when u change the track ?
Click to expand...
Click to collapse
that's not the issue i had. the issue i had was that the sound was VERY distorted and low, but trying a smaller cable worked. try a smaller cable. they cost like 99 cents on monoprice, or amazon
saadi107 said:
Ohh... So if you're facing issues with other headphones it might even be a hardware issue I guess. I think I'll send an email to Samsung support team and see if they respond or not :s
Kinda sucks for such an awesome phone !!
Click to expand...
Click to collapse
Agreed. That's the only semi-major issue I've had with the phone so far. I hate to think what's going to happen when my earphones start to fail (I them extensively). I'll just have to buy new OEM earphones.
I would like to hear what kind of response you get for that email.

HAVIT bluetooth speaker - review

I have to admit that over time I've used several mid/low end bluetooth speakers and I ended up giving all of them away as presents to my friends. They were all fantastic accessories for my mobile phone but they were lacking ... something.
We all know there is no such thing as a perfect gadget or device and, if you add the human subjectivity, you end up with an endless quest for a "great device".
All in all, now I'm settled (at least for a while) ...
Basically this is a JAMBOX replica which really delivers, at a fraction of the price of the original.
Here are some photos with the package and its content:
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After opening the box I found the actual device and the cables supplied with it.
The speaker itself is plain black and feels soft when touched. The coating, even if it's very nice, it's making the surfaces prone to fingerprints so you may feel "forced" to clean it often .
The controls are somewhat classic ... volume up/down, answer/hang up, prev/next and play/pause functions, all on 3 buttons. The functions are available by short or long pressing the respective market button.
The main power switch as well as the power supply/charge and audio in/out connectors are located on the back of the device, clearly marked and easily accessible.
Now, after all the photos let's talk a little bit about the functionality of the device:
Pairing:
If you have a regular phone (not NFC enabled) then, after switching on the speaker, you can easily find it when searching for bluetooth devices and you can add it. That's all.
If you phone.tablet is NFC enables though, the pairing is as easy as touching it on the NFC sensitive area of the speaker and you're good to go.
Even if the NFC area is not marked on the speaker, it is there, as marked in the picture below:
The blue LED visible in the above picture will flask quickly while the device is in "pairing" state and slowly when in normal functioning mode.
I have to say here (for the picky ones) that the LED is bright so it may be somehow annoying if you look at it in low light (or at night).
After the pairing you can start using it as an external speaker and also as a speakerphone, because it has a microphone and an answer/hang up button.
Voice call quality:
When used for voice calls the voice of your call partner will sound very clear and nice (and I mean VERY CLEAR AND NICE ) but, at least in my case, the other party was hearing me a little too over-processed (probably because of the noise canceling DSP inside) but there were no complaints about not understanding me (the voice was a little metallic/robotic when I was not speaking loud enough to make a good difference from the ambient noise).
Music quality:
This is something highly subjective
If I'm comparing the speaker to my home sound system then ... there is no comparison that can be made. As an old commercial for muscle cars was stating: "there is no replacement for displacement" ... the speakers are small so you can not expect that bass fulfilling sound. Nevertheless, the audio quality is GREAT. If you have the intention to use this little BT speaker when you;re in vacation or when camping then you will have nothing to complain about. The bass is not strong but is there, definitely. The median frequencies are extremely clear, w/o being too saturated, while the highs are just in the right quantity.
I personally listen to Leonard Cohen type of music (involving a lot of vocal play) and the voices are nice, warm and natural, w/o popping out from the speaker.
If you look at a spectral analysis of the output (using any audio analyzer out there, like this one for example), you can see the spectrum being nicely populated (with the obvious lack of bass).
All in all, the music is great and the max volume is still usable w/o too many distortions.
Connectivity:
This a big plus for this little buddy ...
As you can see from the picture with the connectors, you have access to line-in as well as to line-out connectors.
What does this mean?
Line-in - you can use the speaker as a conventional speaker, with the included cable, and you can play music from any player, even if it's not bluetooth capable. Just plug it in and go .... Of course, you will not be able to use any of the call capabilities while in line-in mode.
Line-out - you can use the speaker as a bluetooth interface between your phone/tablet and some high-quality speakers. I plugged it to my home stereo system and the result was extremely nice, with great sound (the EDR enabled Bluetooth standard did its job)
The USB connector is being used for charging the unit using any USB port. I personally use one of the many usb adapters I have lying around the house.
Battery life:
This is subject that I can not clearly review simply because I did not managed to drain the battery yet .
After receiving the unit (2 weeks ago) I plugged it into a power adapter and I left it there until the charging status LED (a tiny RED LED located below the BLUE one) turned off. After that I've used the unit about 1-2 hours every other day and it's not dead yet. I still have to use it in order to see the battery life. Until now though I only can say it has a great autonomy on battery .
Final words:
This is not the first speaker with this form factor and size I've come across but surely is one great gadget for the price.
If you look at the audio quality for this price range then it's a safe buy - one of the safest I come across.
I can only recommend it to anyone who wants a great bluetooth speaker for only ~35 USD.
Here is the link I used (from amazon): http://www.amazon.com/HAVIT®-HV-SK4...=merchant-items&ie=UTF8&qid=1401162562&sr=1-4
I hope you find this review useful. I don't do reviews usually but this was special and I thought it deserved one.

[Q] Is the LG G3 - D855 faulty ? (Buzzing / Interference sound during calls)

Can you do me a favor please ?
Mainly those of you on LG G3 - D855, can you please perform following ?
go to Settings --> Tethering & Networks --> Mobile Networks
remember current mode and select as Network mode : GSM only
check that "Use only 2G networks" is checked
wait 5 seconds and make a test call
listen to the attached audio View attachment noise_buzzing_G3_LG855.wma, whether you can hear similar buzzing / interference sound or not (ignore the white noise from the recording, it's simply just amplified during recording)
vote please
change back the settings as in step 2.
Use phone ear piece, NOT a bluetooth or audio headset nor loudspeaker.
Please discuss what do you think this could be, what could be causing this. I'm getting this when I'm on GSM / 2G (Edge icon as data) and it's extremely annoying.
Mainly apparent when no UMTS network is available (3G -> LTE) or inside the buildings.
Thank you.
* update 28.10.2014 * As pointed out by @manaxda, you may want to try following to reproduce similar problem. Use WIRED headset, call someone WHILE USB CHARGER is connected. The apposite side will hear background noise / buzzing sound.
note : seems more people have this problem, but I would like to know how big this problem really is - eg. http://forums.androidcentral.com/ask-question/415079-lg-g3-phone-call-buzzing-isue.html, https://www.reddit.com/r/LGG3/comments/2bay4s/headphone_audio_issueinterference/, http://forum.xda-developers.com/lg-g3/help/poor-call-quality-distortion-noise-t2808530, http://forums.androidcentral.com/sa...83-hissing-buzzing-sound-when-data-calls.html
Still the same on latest V10L...
I do have LG G3 D855 and gsm call has buzz noise. Compared to my ex huawei ascend p1 and honor 3c it is very noticeable and some times annoying. Very bad for such a hi price tag phone.
I had this problem when my phone was new but after a few calls it went away...
Sent from my LG-D855 using XDA Free mobile app
Can you confirm that please even with that settings I posted ?
It important to force GSM/2G network, without it it is just "a feeling"and you never know in which mode phone is connected.
Luckily/unluckily I'm in the location where I got full signal, but GSM/2G only.
Thank you.
All my previous phones were much better - starting even with I9000, I9300 and LG G2... none of them were facing such stupid side-effect.
D855P. No problems
Vivo 900MHz GSM, no inductive forces nearby
Also, don't expect this to be fixed in a software update. It might have to do with electromagnetic interference, which may be from your phone, the place you live or where you're standing. For example, when I use the stairs in my house, I go near the electric fence central, which electrifies the fence discharging high voltage in bursts. If I'm on the phone the moment I go down or upstairs, I can hear a rapid "click-click-click-click" on the phone, that intensifies the closer I am to the central. It happens with every single phone I've ever owned, and even AM/FM portable radios near to it. And specially in guitar amplificators, which seems to be extremely sensible to those variations (It can't be near the central, nor near the electric fence). Another good example is when you leave your phone near an unshielded speaker, and you can hear the "buzz code" your phone receives just before a call.
Well, anyway, you might have something that's affecting your call quality. Does it happen everywhere?
The G3 may be more susceptible to this, or the fact that its earpiece is so loud, it allows you to hear the buzz lol.
Yes, for me it happens everywhere (eg. a per-requisite to CONFIRM it is to choose GSM network as advised). Except of that, also where I do have standard GSM network, I can hear this buzzing as well. Also I do have it confirmed on other pieces of G3.
For all the others, please whenever you are voting in a poll, be sure you really manually switched the network please.
Voted.
D855 and i can hear some buzzing during a call if i'm under the 2g network.
I finally found someone with the same problem! I had been looking for folks who had that problem and were able to solve it but all I found was issues with AUX cable problems and hissing noise. Note that if you use a wired headset even in 2G GSM area, there won't be any noise, it's only through the phone speaker.
This is utterly frustrating, I have all these 3 problems, plus a fourth - below. The G3 is a fantastic mini tablet but a very poor phone IMHO.
shaarky, could you make a test, call someone or leave yourself a voicemail while using a wired headset with USB power on and then without USB connected. I bet that the receiving party (your voicemail) will have lots of background noise when USB is connected.
The workaround I found is to buy a wireless charger and a bluetooth dongle for my desktop PC.
what the hell.... you are right @manaxda ! I wasn't even aware that there is also this issue.
When using wired headset and charging via USB, the opposite side hear terrible background noise/buzzing.
Now question is whether it's connected with the issue I'm describing....
LG should NOT sell such device which is even not able to perform clear call using some basics GSM standards....
I think the issues are not related, though both are poor electromagnetic interference shielding
- from the phone radio into the phone speaker in one case (like when you place a cell phone close to a powered speaker)
- from the USB transceiver / power supply into the wired headset microphone in the other case (the headset MIC gets USB noise and sends it to the other party, the cell phone microphone does not have this problem)
In all situations it is bad engineering design and I suspect it doesn't have a SW fix... I'm no expert but usually there are HW measures / filters that can be placed on the PCB to filter unwanted noise, sometimes even an actual metal shield/case around components see an example:
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Well, I got my phone two times in warranty repair. 1st time they exchanged ear piece, 2nd time whole board... and no change whatsoever. LG support claims that there were just "few" users mentioning this problem, so they don't care about it. If it's by design and I would say it is, than this phone is faulty right from the beginning, LG will however never admit it.
I'm hoping that they fix it in a new release, and slightly before my warranty expires I will try to get a replacement from Orange. It's easy, call support with a headset and USB power, they hear the problem immediately...
It's already my 3rd G3, each time Orange thought a new handset would fix the problem. Now I'm waiting a bit longer to get the 4th one
shaarky, I just double checked today, our conclusions may be wrong, I have the buzzing noise either on 4G or 2G at home. HOWEVER I have that noise only in my neighborhood. If I go elsewhere in town (I guess connected to a different tower) I don't have the noise.
Just to be sure - even when you switch manually to GSM as per my recommendation, you do not have this noise ? That's really odd then.
yes, tried in forced 2G and in 4G, the noise is the same. But if I go to the Orange store a few km away to show them the problem, there's no more noise...
So....no change also on Lollipop. Great.
Have you tried lollipop on the g3? Any other bugs fixed like the aux cable detection?
Same problem on D855 16GB. 2G Only (not tried 4G).
I think that the poorer is the signal (=higher transmission power) the higher is the noise. That can explain no noise in some places also in 2G.
I really don't think a sw solution can solve the problem, but a really simple hw solution could, unless audio amplifier for internal capsule has some sort of software tunable filters...
Yup, happens only in 2G mode..

Do your Tab S speakers distort sound?

HI all,
Over in the UK, and ordered my first ever android device which I got 2 weeks ago (TAB S 8.4 T705). I am led to believe any issues with it will be sorted more quickly before the "golden month cooling down period" has expired, so I am spending many hours trying to test it all and make sure it's working properly before the 4 weeks is up. The sound on the Tab S has not gained many good reviews, and is often classed as "average", yet I would currently put it at "below average". There are many things to like about this tablet, and I will live with the very limited speaker performance as long I am confident this is "normal". I would like to ask you guys if the TAB S speakers distort for you. Most of the time the sound is acceptable, but once I increase to over 70%, I can hear a rough sound accompanying it. (no problem with ear phones btw)
Please would you do the following and let me know what you hear:
Bring up the alarm clock and select the sound "Soft Breeze Waltz". While adjusting the slider for volume, do you hear distortion with the piano sounds with a volume over 40 or 50%?
I am new to this forum, so I hope to stick around and learn a thing or two.
Thanks for reading and hopefully reporting back.
I would not expect too much from those tiny little speakers, you might have the bass set too high, try different profiles or do a custom if possible.
EDIT: OK i had to give it a go, I played "Soft Breeze Waltz" at 100% volume and there was very little if any distortion, maybe the 10.5" has different speakers.
John.
Tinderbox (UK) said:
I would not expect too much from those tiny little speakers, you might have the bass set too high, try different profiles or do a custom if possible.
EDIT: OK i had to give it a go, I played "Soft Breeze Waltz" at 100% volume and there was very little if any distortion, maybe the 10.5" has different speakers.
John.
Click to expand...
Click to collapse
Hi John, thanks for replying to me.
Yeah, I won't expect much from those speakers, but I want my brand new Tab to work as Samsung intended it to work. I got to play around with the Tab 4 for a few days over xmas, and I never noticed any issues with the speakers on that, and I feel certain they were much better.
Thanks for testing out that alarm sound, but perhaps there is a difference in speakers with the 10.5 like you said. Regarding equalizers, that only seems to apply when listening to music, and I don't get an option for that when setting the alarm. I will grab some sound apps and see if that does anything, but now you tell me you didn't get any distortion, makes me wonder if I should try for a replacement. I am really happy with it apart from this. It's certain tones that are most noticeable, like piano, and that melody clearly sounds s#it over 50% volume. If anyone else who has the 8.4 model is happy to test theirs, I would be grateful for your feedback.
Nick
Tbh I find the speakers perfectly acceptable on my 10.5 and just as I would expect. I haven't noticed any distortion at louder levels. I'll do some tests.
ashyx said:
Tbh I find the speakers perfectly acceptable on my 10.5 and just as I would expect. I haven't noticed any distortion at louder levels. I'll do some tests.
Click to expand...
Click to collapse
This is frustrating. Ordered a book cover for it and really intend on keeping it, but the sound on it just seems less than acceptable, but I do have a keen ear for sound and music. I can't see the speakers being any different between the 8.4 and 10.5, so maybe there could be an issue with mine. Yeah, try that test out, thanks. Still hoping someone with the same model as mine might pipe in.
Does the sound quality sound the same from either speaker, if it does it`s unlikely you to have two faulty speakers.
Have you asked anybody else to listen to the sound quality to see if they hear the same distortion that you do.
John.
I found a review of the loudspeaker when compared to other tablets.
http://www.gsmarena.com/samsung_galaxy_tab_s_84-review-1095p7.php
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Tinderbox (UK) said:
Does the sound quality sound the same from either speaker, if it does it`s unlikely you to have two faulty speakers.
Have you asked anybody else to listen to the sound quality to see if they hear the same distortion that you do.
John.
I found a review of the loudspeaker when compared to other tablets.
http://www.gsmarena.com/samsung_galaxy_tab_s_84-review-1095p7.php
Click to expand...
Click to collapse
Thanks for that. You made a good point, but speakers could still be affected by a driver issue making them both sound bad. However, the top speaker does seem to be a lot worse than the bottom one, so thanks for pointing that out. I saw mixed reviews about the speakers, from saying they are good (like above), and others saying they were disappointing and "tinny" and "inviting distortion" when cranking up the volume.
Reviews of course can be subjective. I think if this was normal, there'd be many more people complaining about them, so I will call Samsung on Monday and ask them. Hopefully they won't try and repair it, and just give me a replacement. Cheers for your help.
I tested the alarm file and it did sound a little raspy at the top end on full vol.
So I played Happy by Pharrell mp3. At full whack it had a little distortion until I turned the vol down to 12 from 15.
It's nothing I wouldn't have expected and perfectly acceptable to me.
I compared the same track to my HTC One_M8 which is known for its speakers and audio quality and Tbh not much different.
Still some distortion at the top end at full vol.
ashyx said:
I tested the alarm file and it did sound a little raspy at the top end on full vol.
So I played Happy by Pharrell mp3. At full whack it had a little distortion until I turned the vol down to 12 from 15.
It's nothing I wouldn't have expected and perfectly acceptable to me.
I compared the same track to my HTC One_M8 which is known for its speakers and audio quality and Tbh not much different.
Still some distortion at the top end at full vol.
Click to expand...
Click to collapse
I looked for that MP3 "Happy" and downloaded it from Faxo.com, so assuming we both have the same file recorded at same volume, then I had the same experience. In fact, in made me wonder if I was being a fussy git. Just that you expect the pre-installed alarm melodies to play really well.
I could send this one back, and the next could have more serious problems, so I am re-evaluating what to do now :/
Sometime they distort but it depends on the audio played.
Instead I've got a different problem, audio doesn't seem centered. I mean the "balance" seems to be slightly on right. Right speaker is louder, do you have such an issue?
zooster said:
Sometime they distort but it depends on the audio played.
Instead I've got a different problem, audio doesn't seem centered. I mean the "balance" seems to be slightly on right. Right speaker is louder, do you have such an issue?
Click to expand...
Click to collapse
Yes, it does depend on what is played. These speakers do not handle piano tones well at all, while other sounds seem OK. Interesting you talk about the right (top) being louder, as that's the one that seems to be distorting more for me, or perhaps it's just that it's louder! Samsung are going to pick it up from me and send me a new replacement anyway, which is good, because I'll be forever regretting not trying. I'd still be happy with it even if this was normal for the Tab S...just can't bare the idea of having a deficient device.
For anyone that's interested... I learned how to get the test page up where you can test all the hardware.
1. Open calculator
2. Type in (+30,012,012,732+
3. On the large keypad, type in *#0*#
You should then have a load of buttons to test all your hardware.

Erisin Android 4.4.4 - Audi A4

Hello guys. So i got this unit on my car a few days ago and until now it works fine.
Image down here.
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BUT... theres always a but right?
Thing is.. I do have sound on my rear speakers, including the OEM subwoofer, i saw many topics which people didnt had it..
So i do have sound, but sounds way to low compared to the front speakers, i tried setting the sound management a little bit centered more in the back a little bit like this image:
But still, the rear speakers wont sound as loud as they were on the previous radio which was 1 din aftermarket kenwood..
Any clue?
Another issue i have, on the previous radio i had information on my board display (the one between the Km/h signal and RPM), information about which radio station i was listening to, precisely the name of the station.
Now i dont have any information when i listen to radio, BUT if i use bluetooth and call someone, it shows on the board the name of the person im in call with.
Just an image to help out.
So any clue about those 2 issues? Thanks in advance
Apologize I can't help with your questions, but wondering if you can answer a few that I have......as I'm looking at putting a unit in my 03 A4.
-Can you post link to where you bought yours with all the specs?
-Have you tried streaming via Bluetooth (ie Pandora from your phone)?? Can you comment on the quality of the sound?
-You have a Bose or non-Bose system?
Thanks very much.
avengr8527 said:
Apologize I can't help with your questions, but wondering if you can answer a few that I have......as I'm looking at putting a unit in my 03 A4.
-Can you post link to where you bought yours with all the specs?
-Have you tried streaming via Bluetooth (ie Pandora from your phone)?? Can you comment on the quality of the sound?
-You have a Bose or non-Bose system?
Thanks very much.
Click to expand...
Click to collapse
Hello.
I dont have bose system.
Bluetooth is great, you can hear nicely the other person.
I bought it on ebay.. Not sure if i can post links here but here it goes
http://www.ebay.de/itm/141132330562?_trksid=p2060353.m1438.l2649&ssPageName=STRK:MEBIDX:IT
I have the 4.4.4. That seller is selling only 5.1 now..
Ezreal said:
Hello guys...
So any clue about those 2 issues? Thanks in advance
Click to expand...
Click to collapse
Ok, the first issue you can fix., the second - forget about it - they don't support it.
For the second issue I created a video on YouTube. If you read all the comments under the video you will find the solution of the first issue (someone named João Duarte asked me about it). Because this stupid forum doesn't let me post links yet, you will have to go to YouTube and search for "To the Erisin Support Team". Watch the video and read all the comments and you will have the solution to the rear speakers not loud enough problem.
Ezreal said:
Hello guys. So i got this unit on my car a few days ago and until now it works fine.
Image down here.
BUT... theres always a but right?
Thing is.. I do have sound on my rear speakers, including the OEM subwoofer, i saw many topics which people didnt had it..
So i do have sound, but sounds way to low compared to the front speakers, i tried setting the sound management a little bit centered more in the back a little bit like this image:
But still, the rear speakers wont sound as loud as they were on the previous radio which was 1 din aftermarket kenwood..
Any clue?
Another issue i have, on the previous radio i had information on my board display (the one between the Km/h signal and RPM), information about which radio station i was listening to, precisely the name of the station.
Now i dont have any information when i listen to radio, BUT if i use bluetooth and call someone, it shows on the board the name of the person im in call with.
Just an image to help out.
So any clue about those 2 issues? Thanks in advance
Click to expand...
Click to collapse
Hey - did you get this sorted? Assume you have a half-amp setup in your car. I (and others) posted how to resolve this on an audi form (ASN). Let me know if you are still trying to figure this out and I can find the link for you.
use a "high lo adapter" for the rear speakers.
I did they same on my Audi A4 B7 (without bose system)
Sounds way better now
Pedaaa said:
use a "high lo adapter" for the rear speakers.
I did they same on my Audi A4 B7 (without bose system)
Sounds way better now
Click to expand...
Click to collapse
Hi can you explain where and how you wired the high low adapters. will the rear subwoofer also work then?
Hook RCA's to the rear speakers wires coming out of the stereo and plug those RCA's into the Rear RCA's hooked into the cars harness.
Stereo ->Rear Speaker Wires(convert to RCA, outside is ground inside wire is positive)<----RCA's on Car harness<---Car Plug.
Hello!
How to get info about radio station, track number on fis from non-serial radio?

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