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-   -   Bluetooth Problem: Bad Audio to Headset / Headphones (https://talk.maemo.org/showthread.php?t=36249)

Botev1912 2009-12-08 06:57

Bluetooth Problem: Bad Audio to Headset / Headphones
 
When I use my bluetooth Jabra BT8040 I get occasional crackle. The bluetooth worked perfectly with N95. I don't have call problems when I don't use the bluetooth Has any one had similar problem?

Andre Klapper 2009-12-08 11:36

Re: Bluetooth problem
 
Now if you explained what kind of device a Jabra BT8040 is....

Fargus 2009-12-08 11:43

Re: Bluetooth problem
 
@OP: I have a similar issue with other party having an echo of their side of the conversation when bluetoothed to my Nokia Car Kit (CK-7).

I have found that switching the headphone profile off then on again during the call solves the problem until I pass to another cell coverage when repeating the process solves it once more.

Maybe see if this helps you too? I suspect their is a timing or refresh issue with the command sequences.

Botev1912 2009-12-08 18:58

Re: Bluetooth problem
 
Quote:

Originally Posted by Andre Klapper (Post 416291)
Now if you explained what kind of device a Jabra BT8040 is....

actually it's one of the best bluetooths I have ever owned.

mikkov 2009-12-08 19:04

Re: Bluetooth problem
 
Quote:

Originally Posted by Botev1912 (Post 417128)
actually it's one of the best bluetooths I have ever owned.

That doesn't help much :D

Botev1912 2009-12-09 07:55

Re: Bluetooth problem
 
i just found out what the problem was - the wireless connection. When i turn it off the bluetooth works great

adrianp 2009-12-09 10:17

Re: Bluetooth problem
 
Quote:

Originally Posted by Botev1912 (Post 415949)
When I use my bluetooth Jabra BT8040 I get occasional crackle. The bluetooth worked perfectly with N95. I don't have call problems when I don't use the bluetooth Has any one had similar problem?

I have similar problems with a Jawbone Prime
http://us.jawbone.com/product_landing.aspx
There is some crackle and occasional drop-outs while talking (tested using Skype echo test) and although I can hear reasonably well it is not the same quality as my old phone, Noka 6280. I checked the bug list and wasn't entirely sure whether any of the bluetooth bugs applied to this - I'll gladly add a bug report unless somebody points out an existing report.

EDIT: and I'm only using 3G (somewhat continuous due to openvpn) not Wifi.

mikec 2009-12-09 10:43

Re: Bluetooth problem
 
Quote:

Originally Posted by Botev1912 (Post 418269)
i just found out what the problem was - the wireless connection. When i turn it off the bluetooth works great

what power setting have you got the wireless on?

taril 2009-12-09 11:23

Re: Bluetooth problem
 
I use BT8030 and I have some blockage problem during listening to music, watching videos via A2DP.
All the connection types in maemo are enabled on my Device, maybe wifi or gprs or gps could disturbt A2DP.

Also, when I using the system, open apps, send mail,sms etc, there are blockage during the playback.

Has anyone already reported this to maemo bugzilla?

taril 2009-12-09 12:07

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
when my wifi trying to connect during A2DP, it stops the audio flow totally!

am using Firefox browser, that also destroy A2DP!

....

cpitchford 2009-12-09 12:13

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
Is that when you're using firefox with Wireless lan or with 3G? Ive found my headphones are awful if I'm using wifi but really rather good when using 3G

depu 2009-12-09 12:41

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
There is a known bug with using wifi and bluetooth together @ https://bugs.maemo.org/show_bug.cgi?id=5880
Please vote for it.

Bluetooth A2DP is nearly completely unusable when wireless is active.

les_garten 2009-12-09 15:28

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
I opened a Bug on this as well. My observance is worse than this thread suggests. I see severe Bluetooth performance issues even if WiFi is off. It gets more choppy and stuttering when Wifi is on though.

If you have a BT performance issue, please "Vote" for these bugs so we can get them fixed. here's mine.

https://bugs.maemo.org/show_bug.cgi?id=6766

Bratag 2009-12-09 16:07

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
Sigh can we merge the two bluetooth headset threads. Why WHY do people feel the need to start a new thread instead of using the existing ones.

les_garten 2009-12-09 16:15

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
Quote:

Originally Posted by Bratag (Post 419084)
Sigh can we merge the two bluetooth headset threads. Why WHY do people feel the need to start a new thread instead of using the existing ones.

Yes there are two threads. But it's a BIG problem.

tirtawn 2010-01-09 08:54

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
is there any way to increase the bluetooth range from linux command ?

i always got disconnected when i use bluetooth in the car. So now i will need to bring 2nd phone an switch sim card if i have a conf call *sigh, this is very inconvinience*.

I am using Motorola T505 and this bluetooth works fine with Nokia E90 an Nokia 5800.

With Nokia N900, its connected after few minutes it will be disconnected.

jcompagner 2010-01-09 09:23

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
Quote:

Originally Posted by tirtawn (Post 460784)
i always got disconnected when i use bluetooth in the car. So now i will need to bring 2nd phone an switch sim card if i have a conf call *sigh, this is very inconvinience*.

With Nokia N900, its connected after few minutes it will be disconnected.

in my own car i have an external bluethooth handsfree device that works ok, especially my side, i hear them well. some do complain that i canbe heard that well but with others it works fine

but my girlfrien just has a new car (kia) with build in bluetooth when i connect with that it works for a while then disconnects and i have to disable and enable the N900 bluetooth to connect with it again.

can this be something with the wifi scanning interval?
how do you turn of wifi completely?

maxximuscool 2010-01-09 09:29

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
I just do a vote.

les_garten 2010-01-14 20:04

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
Interested to see if the 1.1 update helped anybodies BT performance. It didn't change/help mine at all???

Fargus 2010-03-24 10:57

Re: Bluetooth Problem: Bad Audio to Headset / Headphones
 
Quote:

Originally Posted by les_garten (Post 471973)
Interested to see if the 1.1 update helped anybodies BT performance. It didn't change/help mine at all???

Same here - same issues as I had before which is making the device fairly useless for long distance car journeys!


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