Adam Hart wrote:
Daniel Niasoff wrote:
Is G729 more sensitive to packet loss or delays due to it’s higher compression. If I’ve generally got the bandwidth available, am I best sticking to ulaw.
G.729 has lost packet concealment, G.711 doesn't. G.711 will sound better otherwise if you can afford the bandwidth.
Eh? G.729 has no particular features to allow more effective packet loss concealment. iLBC has, but at the cost of a substantially higher bit rate. In fact G.711 is a little ahead of G.729 in the regard, since packets are completely independant. The smoothing in G.729 means you need the previous packet to decode the current one properly.
Regards, Steve
I believe you're mistaken - G.729 works similar to iLBC and speex. iLBC works better as the packets are independent but G.729 still has a function for packet loss concealment.
prehaps have a look at http://www.speex.org/comparison.html
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