Hi Guys,
I have been on the search to find a bluetooth headphone that will allow you to listen to music through bluetooth on your I-mate/XDA 2 etc.
I came accross the Sonorix OBH-0100.
Site:http://www.sonorix.com/eng/sono_product_obh0100.html
Review:http://www.worldofppc.com/HWTests/openbt2.htm
I sent an e-mail to the company asking whether this set would work with Pocket PC (XDA 2). They replied back saying that current pocket pc's would need a A2DP (advanced audio distribution profile) to be able to use your bluetooth headphones to listen to music from your device.
Does anyone know how we could go about adding this extra bluetooth feature.
Im sure that alot of you would like this option / accessory. So if anyone could help that would be appreciated.
Thanks
Hi, well done on finding the BT headphones, I've been trying to find something like this for a while...
first, on other parts of this site there are links to the following place:
http://bluetooth.i-networx.de/index_e.html
This guy is busy writing BT software for the XDA to fill in the shortfalls, and slowly including more profiles into his BT tools, He may be able to help with the profile problem for the XDA...
Also, are they actually selling these units yet? The URL you supplied only seems to supply 'sample' sets for traders, I would like to know where it is being sold, and if not when it is being released if the info is available..
http://forum.xda-developers.com/viewtopic.php?t=6816&highlight=bluetooth+stereo
people say that the quality is horrible if it worked
Hmm I dunno, maybe it is possible to send the audio across the BT link compressed (maybe MP3 like) and do the decompression back into audio locally, this would possibly make it possible to send resonable quality over the BT link bitrate (I think it's about 700k).
Their website claims to have reached CD quality audio.
yeah suppose you could do that but it would require
a uncompression in the head set
it would be possible of cause but from that guy who tried it
it may require more then just a std profile
Yes, a special profile is required as mentioned in the first post, apparently it is an advanced audio digital profile (a2dp), but no hand held units have it yet, we were hoping someone may be able to write profile support for the XDA...
I sent an e-mail to Tobias at Pocket Bluetooth tools about these particular headphones and he replied that he has no ordered the headphones and will work on the A2DP profile as soon as he recieves the headphones.
Hope something good comes out of this.
Will keep you updated 8)
Great news, now we only need to sit back and wait.
I had a look at the site but they only seem to be selling trader samples? Do we know where these items can be bought yet and how much? if not do we know a release date?
No, they havent mentioned anything about a release date but I have heard that many people have ordered the trade samples to test them out.
I think trade samples is the ony way you can buy for the time being ...$220 is the price as I remember and this excludes delivery and tax that you might have to pay.
But I have to admit they look very cool and if Tobias can solve this problem soon, I would certainly order one for myself.
BT audio transport
Hi folks,
I'm on the search for BT headset that also plays back the audio output of my MDA II (e.g. direction info of tomtom nav 3 ...)´. When I found this thread I thought that's it, but there is now follow up after Apr. 24th.
Any news yet?
Still no news!?!?!?!
:x
what you need is a bluetooth profile which have support for
Advanced Audio Distribution Profile
ms really dont like bluetooth all that much and their stack lack most bluetooth profiles
maybe the latest vidcomm stack support it
more about bluetooth profiles
http://www.palowireless.com/infotooth/tutorial/profiles.asp
maybe you should look into this product
http://www.bluetake.com/products/BT420EX.htm
but some guy in the forum had one for test and said the phone quality was pretty poor
RE
OK guys!
A short review has been posted here:-
http://www.ppcsg.com/forums/viewtop...t=iphono&sid=6d3d546329a09353b6817f1c28cdca86
From another thread Pocket Bluetooth Tools doesn't work very well with iPHONO bluetooth headphone and the digital Bluespoon bluetooth headset. However, it creates a non-dynamic serial port and enables printing from the O2 XDA II to HP 450CBi bluetooth portable printer.
http://www.ppcsg.com/forums/viewtopic.php?t=38299&sid=6d3d546329a09353b6817f1c28cdca86
:roll:
A2DP support & sound quality & power usage of MS & Widcomm BT stack compared!
Now that I’ve made the stereo Bluetooth headphones (A2DP) support work with my Dell Axim x51v with the original Microsoft BT stack (see the tutorial here), I’ve thoroughly tested it and compared the sound quality and the power consumption of the two stacks.
First, the power consumption test, along with the CPU usage (all measured on the same x51v two times - with a hard reset in between. I've long been promising something similar to the AximSite folks in this thread):
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As can clearly be seen, while device.exe, which is in charge of encoding the A2DP stream, consumes slightly less CPU time with the Widcomm BT stack, the latter still consumes about 13 mA’s more than the Microsoft stack. This, however, isn’t that big a problem if you also take into account the really superior sound quality.
What should you use to check out the sound quality yourself?
I really recommend for example the demo MP3 of Värttinä’s Oi Dai (linked from here); in there, you’ll clearly hear the quality difference between the A2DP mode of the MS and the Widcomm BT stack. Just make sure you try to listen to the generic distortion in the middle band when the girls start to sing.
BTW, use the first about five seconds to fine-tune the Subbands value with the Widcomm BT stack (see my earlier, related tweaking article here) – it’s mostly in the increased noise of strong lows (like at the beginning of this song) that the drastically decreased Subbands value has a really audible effect. With other kinds of music, the difference is very hard to hear.
Tweaking
I’ve played a bit with the MS BT stack parameters under HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\Bluetooth\ A2DP\Settings I’ve listed in my previous A2DP fine-tuning article. I’ve paid special attention to the following DWORD’s:
MinSupportedBitPool: it does have an impact on the sound transmission: while you can’t fine-tune the quality, a sufficiently high value (for example, 64; with 48, it still works) will make sure no connection can be made between the headphones and the PDA. That is, it’s useless to try to “tweak” this value.
UseJointStereo: the default 0 is “false”. When set to 1, it results in a mono transmission. With 2 (I’ve also tested with 3, with the same result), it seems it indeed uses joint stereo mode. It, however, hasn’t resulted in any kind of sound quality improvement. Conclusion: forget it too.
I’ve, in addition to trying to tweak BitPool, also tried to raise MaxSupportedBitPool , MinBitPool and, of course, BitPool – without success. I couldn’t achieve any sound quality improvement.
All in all, it seems the Microsoft BT stack is definitely worse, A2DP quality-wise, than that of Widcomm / Broadcomm and nothing (no tweaking) can be done to fix this.
Summary
There is not really competition between the A2DP quality of the two Bluetooth stacks. If you happen to have a WM5-upgraded Dell Axim x50(v) or x51(v), don’t hesitate: install the Widcomm BT stack on it if you want the best available sound quality. You’ll be presented definitely better sound quality, on the expense of slightly (but not much!) decreased battery life. And, of course, you get a lot of additional Widcomm goodies like Bluetooth PAN and the like.
Similarly, if you need to choose between, say, a Widcomm BT stack-based device and a MS-based one (and there's no known Widcomm hack for the latter), go for the earlier, if, otherwise, the two devices are the same.
This also means my sound quality problems with the HTC Wizard weren’t (also see my mourning here) because of the HTC Wizard hardware or the bad A2DP hack (see this for a more thorough elaboration on the hack) but because of the A2DP algorithm used in the MS BT stack. The official A2DP implementation of the really powerful Dell Axim x51v AKU2 isn’t at all better, quality-wise, than the A2DP hack for the Wizard.
I’ll try, of course, to push the Microsoft folks very hard to find the cause for the audibly lower sound quality.
More of my Bluetooth-related articles
The Bluetooth category in the Smartphone & Pocket PC Magazine Expert Blog
???
Menneisyys said:
Now that I’ve made the stereo Bluetooth headphones (A2DP) support work with my Dell Axim x51v with the original Microsoft BT stack (see the tutorial here), I’ve thoroughly tested it and compared the sound quality and the power consumption of the two stacks.
First, the power consumption test, along with the CPU usage (all measured on the same x51v two times - with a hard reset in between. I've long been promising something similar to the AximSite folks in this thread):
As can clearly be seen, while device.exe, which is in charge of encoding the A2DP stream, consumes slightly less CPU time with the Widcomm BT stack, the latter still consumes about 13 mA’s more than the Microsoft stack. This, however, isn’t that big a problem if you also take into account the really superior sound quality.
What should you use to check out the sound quality yourself?
I really recommend for example the demo MP3 of Värttinä’s Oi Dai (linked from here); in there, you’ll clearly hear the quality difference between the A2DP mode of the MS and the Widcomm BT stack. Just make sure you try to listen to the generic distortion in the middle band when the girls start to sing.
BTW, use the first about five seconds to fine-tune the Subbands value with the Widcomm BT stack (see my earlier, related tweaking article here) – it’s mostly in the increased noise of strong lows (like at the beginning of this song) that the drastically decreased Subbands value has a really audible effect. With other kinds of music, the difference is very hard to hear.
Tweaking
I’ve played a bit with the MS BT stack parameters under HKEY_LOCAL_MACHINE\ SOFTWARE\ Microsoft\Bluetooth\ A2DP\Settings I’ve listed in my previous A2DP fine-tuning article. I’ve paid special attention to the following DWORD’s:
MinSupportedBitPool: it does have an impact on the sound transmission: while you can’t fine-tune the quality, a sufficiently high value (for example, 64; with 48, it still works) will make sure no connection can be made between the headphones and the PDA. That is, it’s useless to try to “tweak” this value.
UseJointStereo: the default 0 is “false”. When set to 1, it results in a mono transmission. With 2 (I’ve also tested with 3, with the same result), it seems it indeed uses joint stereo mode. It, however, hasn’t resulted in any kind of sound quality improvement. Conclusion: forget it too.
I’ve, in addition to trying to tweak BitPool, also tried to raise MaxSupportedBitPool , MinBitPool and, of course, BitPool – without success. I couldn’t achieve any sound quality improvement.
All in all, it seems the Microsoft BT stack is definitely worse, A2DP quality-wise, than that of Widcomm / Broadcomm and nothing (no tweaking) can be done to fix this.
Summary
There is not really competition between the A2DP quality of the two Bluetooth stacks. If you happen to have a WM5-upgraded Dell Axim x50(v) or x51(v), don’t hesitate: install the Widcomm BT stack on it if you want the best available sound quality. You’ll be presented definitely better sound quality, on the expense of slightly (but not much!) decreased battery life. And, of course, you get a lot of additional Widcomm goodies like Bluetooth PAN and the like.
Similarly, if you need to choose between, say, a Widcomm BT stack-based device and a MS-based one (and there's no known Widcomm hack for the latter), go for the earlier, if, otherwise, the two devices are the same.
This also means my sound quality problems with the HTC Wizard weren’t (also see my mourning here) because of the HTC Wizard hardware or the bad A2DP hack (see this for a more thorough elaboration on the hack) but because of the A2DP algorithm used in the MS BT stack. The official A2DP implementation of the really powerful Dell Axim x51v AKU2 isn’t at all better, quality-wise, than the A2DP hack for the Wizard.
I’ll try, of course, to push the Microsoft folks very hard to find the cause for the audibly lower sound quality.
More of my Bluetooth-related articles
The Bluetooth category in the Smartphone & Pocket PC Magazine Expert Blog
Click to expand...
Click to collapse
Do you ACTUALLY know what you are doing???
Seems like you are taking others work, experimenting, and saying "MY" a looad of times...
Soz, maybe I'm a cinersist!!! (is there such a word?)
A2DP on AKU2.3 / .6 does not have a correct implimentation of EDR tie-in to the bluetooth firmware!!! Nuff said.
If I offend. I am sorry!
Farsquidge said:
Do you ACTUALLY know what you are doing???
Seems like you are taking others work, experimenting, and saying "MY" a looad of times...
Soz, maybe I'm a cinersist!!! (is there such a word?)
A2DP on AKU2.3 / .6 does not have a correct implimentation of EDR tie-in to the bluetooth firmware!!! Nuff said.
If I offend. I am sorry!
Click to expand...
Click to collapse
Please DO show any of the substances I've referred to as mine (just search for the word "my" in the above article and the substance it refers to) actually not having been created / done / published first by me! Thanks in advance
Farsquidge said:
Seems like you are taking others work, experimenting, and saying "MY" a looad of times...
Click to expand...
Click to collapse
This is, excuse me, utter BS.
I have NEVER published any other's work without 1. thoroughly checking it and 2. referring to it. Just compare my articles. I've linked in every single thread where a particular registry hack has been implemented. Count the XDA-Developer references (referencing to work done by others) in my Bluetooth-related articles - you'll see loads of them.
Second, I do test all the hacks and I don't publish anything I haven't tested. This is why the findings in my articles are sometimes diametrically opposed to what people have generally thought before. There're a lot of examples of this too; for example, the BitPool hacks.
Menneisyys said:
Count the XDA-Developer references (referencing to work done by others) in my Bluetooth-related articles - you'll see loads of them.
Click to expand...
Click to collapse
OK, one of the linked article, there are "only" AximSite references. Some four or five of them, all referencing to the original author that has intoduced the hack in the first place. I've "only" thoroughly tested it, which hasn't been done by anyone else before. (Just read the AximSite thread in question.)
Farsquidge said:
A2DP on AKU2.3 / .6 does not have a correct implimentation of EDR tie-in to the bluetooth firmware!!! Nuff said.
If I offend. I am sorry!
Click to expand...
Click to collapse
Please explain what you are saying.
austinbrady said:
Please explain what you are saying.
Click to expand...
Click to collapse
This is what I'm also waiting for Or, for an apology for attacking me without any truth.
Problem lies with sbc.dll
After a lot of digging, I think the problem with the MS BT stack lies with the fact that it uses the sbc codec to send music to the bluetooth headset.
In fact, I don't think MS implemented the sbc codec incorrectly, but that it is the nature of the sbc codec to sound crappy (correct me if I'm wrong).
What MS didn't do was add MP3 support, which would have saved a lot of decoding overhead (no MP3 to SBC conversion), since many of the stereo headsets support MP3 natively.
But since MP3 support is optional in the bluetooth spec, MS ignored it. It's also not in WM6, so don't expect sound quality to improve. If only MS added a way to bypass sbc.dll completely and route MP3 data straight to the bluetooth headset.
If anyone here knows how to write a stub driver to replace sbc.dll, that would be great! :>
joe_dude said:
After a lot of digging, I think the problem with the MS BT stack lies with the fact that it uses the sbc codec to send music to the bluetooth headset.
In fact, I don't think MS implemented the sbc codec incorrectly, but that it is the nature of the sbc codec to sound crappy (correct me if I'm wrong).
What MS didn't do was add MP3 support, which would have saved a lot of decoding overhead (no MP3 to SBC conversion), since many of the stereo headsets support MP3 natively.
But since MP3 support is optional in the bluetooth spec, MS ignored it. It's also not in WM6, so don't expect sound quality to improve. If only MS added a way to bypass sbc.dll completely and route MP3 data straight to the bluetooth headset.
If anyone here knows how to write a stub driver to replace sbc.dll, that would be great! :>
Click to expand...
Click to collapse
Well,
1. SBC itself isn't bad - when correectly implemented. Widcomm / Broadcom, Plantronics (with their A2DP dongle) and Softick (in their Audio Gateway) don't have any problems / bugs in their SBC implementation. MS' SBC implementation in AKU2 is, unfortunately, much worse than the ones listed above.
2, Indeed feeding MP3 directly to the headphones is a very good idea to increase sound quality. Too bad quite few headphones support it MP3 streams in addition to SBC ones (about 15-20%).
Menneisyys, I was able to try A2DP from AKU 3.3 on my Prophet, and unfortunately it sounds pretty much the same as the AKU 2 version.
I tried manipulating bitpool and the minsupportedbitpool, and no difference. Whatever algorithm MS used in SBC.dll is completely fubared.
Other than MSI BluePlayer, is there any other MP3 player that does not do (down) conversion to SBC? BluePlayer sounds awesome, but too much of a pain to use.
joe_dude said:
I was able to try A2DP from AKU 3.3 on my Prophet
Click to expand...
Click to collapse
Are you sure it's TRUE AKU3.3? Cooked / "leaked" AKU ROM versions don't necessarily have really all AKU3 stuff (for example, BT FTP or AJAX support).
joe_dude said:
Other than MSI BluePlayer, is there any other MP3 player that does not do (down) conversion to SBC? BluePlayer sounds awesome, but too much of a pain to use.
Click to expand...
Click to collapse
I don't know of any. I'll dedicate an article to this; hope it'll make some software developers (for example, Mort) add direct MP3 support to their programs.
BTW, speaking of the PPC version of MSI BluePlayer, do you know any other source for MSI Blueplayer than http://download.enet.com.cn/html/EN947892006041701.html#instruction ? The download is very slow with me and stops after a minute with all the sources.
Well, it's the AKU 3.3 files from this thread:
http://forum.xda-developers.com/showthread.php?t=284509
So it looks official enough, and the files are slightly different than the ones in the Tornado patch.
As for BluePlayer, check out this thread:
http://forum.xda-developers.com/showthread.php?t=262715
Can't knock the sound quality, but it's pretty much just a GUI that sends out MP3 data to the BT headset. If MortPlayer could do this, I'd definitely pay to use it.
But bypassing the MS BT stack might not be a trivial exercise (not that I'd know, of course).
joe_dude said:
Well, it's the AKU 3.3 files from this thread:
http://forum.xda-developers.com/showthread.php?t=284509
So it looks official enough, and the files are slightly different than the ones in the Tornado patch.
Click to expand...
Click to collapse
Thanks! Indeed it's different from previous cooked ROM's. WIll flash it onto my Wizard.
joe_dude said:
Menneisyys, I was able to try A2DP from AKU 3.3 on my Prophet, and unfortunately it sounds pretty much the same as the AKU 2 version.
I tried manipulating bitpool and the minsupportedbitpool, and no difference. Whatever algorithm MS used in SBC.dll is completely fubared.
Other than MSI BluePlayer, is there any other MP3 player that does not do (down) conversion to SBC? BluePlayer sounds awesome, but too much of a pain to use.
Click to expand...
Click to collapse
This has been a source of much pain for my gadget budget... I bought different headsets because I thought that perhaps it was the headset causing the bad quality. However, it was the MS implementation of A2DP all along!
I'd like to try blueplayer, but the real hurdle now is getting it to work on my Smartphone Edition device (tornado). Since blueplayer only exists in a PPC install, can someone extract the files for me (the actual .exe, etc...) to try on a smartphone device?
I've done this before, and I already have my ways of dealing without a touchscreen... I just need the files so I can try running it!
Anyone?
hello,
i have a bluetooth headset philips shb 7100.
The bt-headset paired and connected successful with my device.
But the functions play/pause and back/forward not working.
I can hear music, volume control and the calloptions also working.
Is the reason the widcomm stack in acer neotouch?
There is a solution for this?
OR
knows someone a stereo bt-headset that works with this functions (play/pause,back/for)?
doesn't work for me either
Hi!
I have a motorola HT820, and I can't play/pause/next/previous with it either, all though the headset worked fine with iMate SP5 and HP 614c
The problem seems to be that Acer (or at least the ROMs I'm using) don't support the AVRCP (Audio Video Remote Control Profile).
So until someone figures out a way to include this profile, we're stuck!
/Sifaan
Hello,
sifaan said:
Hi!
The problem seems to be that Acer (or at least the ROMs I'm using) don't support the AVRCP (Audio Video Remote Control Profile).
/Sifaan
Click to expand...
Click to collapse
yes, I read it in the www
I installed the "avrcp agent" (to find here in forum)
Nothing.
What I not understand:
my headset works with the windows media player mobile with this functions, but with no other musicplayer??
(is in the wmp the avrcp support..)
but wmp is not good to use
I am now using jabra bt3030. it works perfectly in AVCRP.
however, the ACVRP funtion only works in WMP default player.
I had tried to use the funtion in pocket music, coreplayer, mortplayer, nitrogen, but all don't work.
Only works in WMP! Don't know why and hope there is a way to solve it. I don't like WMP too.
I find that it now works with WMP, but I'm not sure if it was because I installed AVRCP agent.
(When I was using Rafyvitto's vanilla ROMs, it didn't work even with WMP...)
/Sifaan
News!
pocketplayer 4.1 (no freeware) with the plugin "conduit wm adapter 2.31" (gen_wmhost.dll) works!
The plugin must be configure:
View attachment 285093
Look into the FAQs of S2P on their site. There's a link to a xda-thread where you will find a modified dll which could work with our s200. It disables the hijacking of BT-Signals by the WMP.
I actually would directly the thread, but it's not allowed for new users to post links :-(
Hope it helps...
Breaka84 said:
Look into the FAQs of S2P on their site. There's a link to a xda-thread where you will find a modified dll which could work with our s200. It disables the hijacking of BT-Signals by the WMP.
I actually would directly the thread, but it's not allowed for new users to post links :-(
Hope it helps...
Click to expand...
Click to collapse
This is the link:
http://forum.xda-developers.com/showpost.php?p=4292847&postcount=3
According to this, AVRCP should work with HTC Music Player as well (not just WMP), but in my case it only works with WMP... but let's check it and see...
/Sifaan
I tested s2p with the t-back driver.
no success
olsching said:
I tested s2p with the t-back driver.
no success
Click to expand...
Click to collapse
+1, mine is ACER neotouch S200 most recent acer ROM. Nothing work with my bluetooth headset philips shb 7100 other than the darn useless boring WMP . Sometime I just want to totally give up window mobile and try something else, but I have already invested too much on window mobile medical applications.
Car audio Bluetooth connection not working
hi...
I see many of you already have had some problems with bluetooth connections with this phone...but all of you say that at least can put the WMP working...
I'm trying to connect my S200 to the car audio (sony from 08 Ford Focus) and it's not working...the car audio system doesn't recognize the phone, but te phone says it's connected...
Is there any known bug for this? any way I can workaround this problem?
Tkx
I use Pocket Player, with plug-in 'Conduits WM Adaptor 2.31', checked to 'Intercept/Override WMP', checked to 'BT Remote Control', after that can use A2DP .
I also use PocketMusic, but still not know how to config A2DP .