If you do not use vbr (no vad), speex will provide a constant bitrate based on
quality.
Jozsef
> Message: 1
> Date: Tue, 4 Nov 2008 12:12:21 -0500
> From: "Yuanchao Lu" <betsyyuan at gmail.com>
> Subject: [Speex-dev] payload length of narrowband speex in
> RTP
> To: speex-dev at xiph.org
> Message-ID:
> <47d89710811040912u5ccf8a12lb71ba9be25a9fe8b at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello to all speex developers
>
> I have question regarding payload length of narrowband
> speex in RTP. I were
> watching tcpdump of the xlite softphone and have found that
> it uses constant
> payload length 75 Bytes. The packet size should be
> variable, right? Why I
> get constant packet size?
> Thank you
>
> Yuanchao Lu
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL:
>
http://lists.xiph.org/pipermail/speex-dev/attachments/20081104/959abb6b/attachment.html
>
>