[Blink] New Blink Qt release 0.1.3 for Linux and Windows

[Adrian Georgescu]

Juha,

The reason it always works in Twinkle is that it opens the audio devices at 8000 HZ sample rate. If you set this in Blink it will most likely work as well. But you will get no wide-band experience when using codecs like G722 or speex. 

Try to increase the sample rate starting from 8000 until it still works for your particular device (set both the input and output). Try set the sample rate to 8000, 16000, 32000 and 44100, in this order take the higher value that works for your audio device. 

Also, because Blink opens a separate alert device, by trying to open both output and alert device to the same value, will lead to a failure on systems that have audio devices that do not support native hardware mixing and can be opened only once. For this case, the only way to make use of the audio system is to use the dmix or pulse ALSA plugins.

There is more information here for how to work around these limitations of the audio on Linux:

http://sipsimpleclient.com/wiki/SipAudioDeviceSharingLinux

Regards,
Adrian

On Sep 4, 2010, at 9:11 PM, Juha Heinanen wrote:

> Adrian Georgescu writes:
> 
>> That means that the audio device cannot be opened for some unclear
>> reason. Nothing has changed in this last version related to this...
> 
> ok. audio works ok in twinkle, so i don't think there is an issue with
> the host.  anyway, audio is not that important and i can live without
> it.
> 
> -- juha
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