Re: [Bluez-users] a2dp choppy sound problem

[Benson Dong <dongas86.dev@hotmail.com>]

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Hi Brad,

> Date: Sun, 23 Dec 2007 21:26:20 -0700
> From: bmidgley@gmail.com
> To: bluez-users@lists.sourceforge.net
> Subject: Re: [Bluez-users] a2dp choppy sound problem
> 
> Benson
> 
>> It seems no difference and chopyy as before.
>> Anything else could do ?
> 
> you can try all three config changes above together.

I have tried ,still choppy sound.

> what version of bluez-utils is this? Have you tried cvs head?

I have not tried cvs head  and the version of bluez-utils i use is 3.22.

> are you getting interference? If it's a 1.2 or newer bt adapter, you
> could check the afh map to see if it's detecting and trying to avoid
> interference:
> 
> hcitool afh 00:0D:3C:EB:53:F0

I could not check the afh map ,
I got this:

#hcitool afh 00:0D:3C:EB:53:F0
HCI read AFH map request failed: Connection timed out

It seems there's some errors,is it?

> If the adapter on your computer is bt 1.2+ and the headset is older
> than 1.2, afh might be another advantage to run the computer's adapter
> as master.

The adapter is bt 1.2 and the headset is 2.0.

> is it running on a slow computer or an embedded computer?

It is running on CentOS 5.0(VMware) on x86 , 1G Mem ,PD3.2GHz .
I just compiled and installed bluez-libs 3.22 and bluez-utils 3.22 .

Then ,

#hcid -s -n -f /etc/bluetooth/hcid.conf

#aplay -D bluetooth 1.wav

Got choppy sound.

Configure Option:
bluez-libs 3.22
./configure --prefix=/usr

bluez-utils 3.22
configure --prefix=/usr --enable-test --enable-usb --enable-input --enable-serial --enable-initscripts --enable-bccmd --enable-cups --disable-pcmia --enable-alsa --enable-audio --enable-shared PKG_CONFIG=pkg-config --enable-obex --enable-avctrl --enable-network


> -- 
> Brad
> 
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