[clug] share speaker through bluetooh or network?

Kim Holburn kim at holburn.net
Thu Sep 14 05:49:15 GMT 2006



On 2006 Sep 14, at 3:35 PM, Mathew Meins wrote:

> On 14/9/06 7:37 AM, "Kim Holburn" <kim at holburn.net> wrote:
>> Last Tuesday in the gadget section at the back of the Australian IT
>> section they had 2 pairs of bluetooth headphones.  They had a small
>> bluetooth dongle you could plug into your TV and you could pair the
>> headphones with your phone and laptop as well at the same time.  If
>> it could be done with headphones it could be done with a bluetooth
>> sound card.  Is there such a thing?  I just got a USB sound card
>> recently.  It's like a USB headset but has jacks to plug in your own
>> headphones.
> Sound cards and phones use two different Bluetooth profiles,  
> Advanced Audio
> Distribution Profile (A2DP) and Headset Profile (HSP). The main  
> difference
> between them is that HSP provides signaling to answer and hang up  
> calls etc,
> and it uses a codec that sounds lousy. A2DP, on the other hand, sounds
> pretty decent.
> Do these allow you to pair with both devices using A2DP, or only  
> one device
> with A2DP, and the other with HSP?

Kim Holburn
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