1. tpd15's Avatar

    Does anyone else have issues with their Sero 7 Pro streaming music uninterrupted? I have two different Bluetooth adapters, one in the car and one on my home theater. When I connect to them via Bluetooth and stream music (that is on my SD card), there are little half-second gaps every so often. I can't tell if it's the music pausing momentarily, or if the BT signal is dropping out, but it's really annoying.

    A large part of the reason I got this tablet was to use it as a music server, and the fact that there are little drop-outs all over the place makes for a harsh listening experience.

    Does anyone else have this problem?

    12-03-2013 07:59 PM
  2. B. Diddy's Avatar
    I'm afraid I can't comment from direct experience, since I don't have a Sero Pro. But I wonder if maybe background processes like syncing could be causing some stutter or lag. Have you tried turning off wifi and background sync while you stream music?
    12-03-2013 10:00 PM
  3. tpd15's Avatar

    Good idea, thanks. I haven't tried that, but will give it a shot tonight.

    12-04-2013 09:26 AM
  4. tpd15's Avatar
    I'm listening to it now, and it's skipping / dropping-out about 3 or 4 times per song. I have the WiFi turned off, but that's all I've changed -- I don't know how to turn off any other background services (and probably wouldn't want to have to mess with that sort of stuff just to listen to music).
    12-04-2013 09:06 PM
  5. B. Diddy's Avatar
    Ah dangit, I was hoping that would work. Is your Sero 7 Pro fully up to date in terms of system updates? Also, are the Bluetooth adapters separate dongles, or are they the built-in to the car stereo and the home theater? If it's a separate dongle, I wonder if there could be an issue with the dongle's firmware. Is there any other audio equipment with a built-in Bluetooth receiver (like a standalone BT speaker) that you could test with?
    12-04-2013 09:19 PM
  6. flipponater's Avatar
    I have one and on my mine listening to music is a unpleasant experience at all..but yes...having same problems

    Sent from my HTC One using AC Forums mobile app
    12-04-2013 09:54 PM
  7. tpd15's Avatar
    I just listened to the same album of music direct from the tablet's speakers, with WiFi and BT turned off, and there were zero interruptions. Bummer, it looks like the tablet's BT isn't up to the job.
    12-05-2013 10:19 AM
  8. B. Diddy's Avatar
    Hey, so here's a somewhat silly but possible solution for you--how about a separate Bluetooth transmitter dongle that you can plug into your Sero 7? Then you're not depending on the tablet's BT, which might be suspect. There are a whole bunch to choose from--here's one that showed up on the first Amazon search screen: Amazon.com: GOgroove BlueSense TRM Wireless A2DP Bluetooth Transmitter / Adapter for Mp3 Players , Tablets , Laptops , Desktops , Home Theater & More!: MP3 Players & Accessories
    12-05-2013 11:37 AM
  9. tpd15's Avatar
    I guess I could use a BT dongle in the car, as the tablet will be in a dock, so I can just stick the dongle to the dock, and plug it in. However, it's kinda kludgey, and at that point I might just as well skip the BT and plug the Sero 7 directly into the car's audio-in port.

    At home I definitely don't want to have to have a dongle hanging off the tablet.

    It's a functional idea, but not a very appealing one. Bah, I wish this thing had better BT!!
    12-05-2013 01:41 PM
  10. B. Diddy's Avatar
    Looks like you're not alone. I found this thread: http://forums.androidcentral.com/oth...ero-7-pro.html
    12-05-2013 04:11 PM
  11. tpd15's Avatar
    Ah, ya know, I saw that post some weeks ago when I was scoping out buying a Sero 7. I kinda disregarded it then as I wasn't planning to use BT headphones. Of course, it's now completely relevant.

    So, after a fair bit of testing, the issue is the screen. As mentioned in that post, when the screen goes off, the BT starts getting glitchy. I had tested it with and without WiFi on, and no other changes. When I set the screen's sleep time to 30 minutes, and just let it stream BT music with the screen on to my home stereo, there's no problems whatsoever. Doesn't matter about the WiFi status, on or off it works fine. As soon as I let the screen turn off, the BT starts dropping out.

    I am on Android 4.2.1, just as described in that post. Looks like it's a software problem (thankfully).

    12-05-2013 09:32 PM
  12. B. Diddy's Avatar
    Well, when you're home, you could use the Developer Options and prevent the screen from sleeping while charging. It'll use more battery, but at least the music won't skip.

    Posted via Android Central App
    12-05-2013 10:29 PM
  13. Bob61's Avatar
    Tried out Bluetooth streaming with GooglePlay last night. Had music streaming for 3 hours and had no gaps.

    Sent from my M470BSA using Tapatalk 4
    12-08-2013 10:35 PM
  14. CapWinder's Avatar
    I have this setup, Sero 7 Pro with the GREAT Motorola S305 headphones. Fantastic sound at a great price. But, the bug in Android 4.2.1 BT was driving me nuts! Gaps when streaming music. Same problem as you. Make no mistake, it is 4.2.1 that is the problem. I Also have a Samsung Exhibit phone with 4.1.2 and it has no problems at all. However, the other members have stumbled upon a partial fix. I'm testing it and it seems to work. The problem IS related to the screen sleeping. I had mine going blank after 2 min and after 2.5 min the dropouts would start. I reset it to 30 min ( the max) and have had NO dropouts since. A drop with BT is not uncommon, but mine would go in and out so often that it was unusable when the screen went blank. I have read everything on the web and this is the only thing that squashed this nasty bug. Power Saving settings did nothing, nor did WiFi settings or turning off NFC or Sync. And after 30 min of music I'm ready for a break. Touch the screen or the power button to reset the timer (I did say partial fix).
    08-30-2014 12:21 AM

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