Ptime...

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Rawshan Iajdani

I am using voiceage G729a codec. I tried with speex/gsm codec also. but the
result is same.
One thing I have to mention that the sound  quality is quite good when I use
x-lite to x-lite. But when I use PJSIP to x-lite then PJSIP end is OK with
some delay and the x-lite end  having cracking sound and bit noisy and some
delay also.

Thanks
Nasir



On Sat, Nov 15, 2008 at 8:04 PM, Rawshan Iajdani <iajdani at provati.com>wrote:

>  What kind of g729 you are using? It depends on that? try speex/gsm that
> is already there with gui.. and compare the quality with g729 you added?
>
>
>
>
>
>
>
> *From:* pjsip-bounces at lists.pjsip.org [mailto:
> pjsip-bounces at lists.pjsip.org] *On Behalf Of *Md. Nasir Uddin
> *Sent:* Saturday, November 15, 2008 7:58 PM
> *To:* pjsip list
> *Subject:* Re: [pjsip] Ptime...
>
>
>
> Hi Rawshan Iajdani,
>
> Thank you very much for your reply. I successfully added G729 with
> symbian_ua_gui. Also I can call with G729 codec. But there is some problem
> with sound quality ( cracking sound and bit noisy ). That is why I thought
> about ptime of symbian_ua.cpp . So how can I overcome from that problem ?
>
> Thanking you
> Nasir
>
>
>
>
>  On Sat, Nov 15, 2008 at 7:37 PM, Rawshan Iajdani <iajdani at provati.com>
> wrote:
>
> No it does not
>
>
>
> *From:* pjsip-bounces at lists.pjsip.org [mailto:
> pjsip-bounces at lists.pjsip.org] *On Behalf Of *Md. Nasir Uddin
> *Sent:* Saturday, November 15, 2008 7:24 PM
> *To:* pjsip at lists.pjsip.org
> *Subject:* [pjsip] Ptime...
>
>
>
> Hi All,
>
> I am trying to add G729 codec in PJSIP ( symbian_ua_gui ) for Mobile.
> I found  in symbian_ua.cpp
>
>     med_cfg.thread_cnt = 0; // Disable threading on Symbian
>     med_cfg.has_ioqueue = PJ_FALSE;
>     med_cfg.clock_rate = 8000;
>     *med_cfg.audio_frame_ptime = 40;*
>     med_cfg.ec_tail_len = 0;
>     med_cfg.enable_ice = USE_ICE;
>     med_cfg.snd_auto_close_time = 5; // wait for 5 seconds idle before
> sound dev get auto-closed
>
> But *"med_cfg.audio_frame_ptime = 40"* is not clear to me.
>
> Does this ptime affect ptime of G729 codec.
>
> Thanks
>
>
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