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przemekw
08-14-2008, 05:09 PM
Hi,

Anybody knows what resolutions I can get on each bandwidth in Polycom HDX series?

In LifeSize datasheet page 2nd it's written very clearly.

Thanks for any info

Regards,

P
Sean Lessman
08-15-2008, 07:21 AM
Hi,

Anybody knows what resolutions I can get on each bandwidth in Polycom HDX series?

In LifeSize datasheet page 2nd it's written very clearly.

Thanks for any info

Regards,

P

They only support 4 resolutions on their encoder : qCIF, CIF, 4CIF and 720p. I think the claim is:

up to 256kbps - CIF
256kbps - 1Mbps - 4CIF
above 1Mbps - 720p

However, to get 720p above 1Mbps you have to force sharpness, leaving the setting to motion doesn't kick in 720p until 2Mbps. Also, even though they claim 4CIF @ 256kbps, I think that resolution looks better at higher speeds.

Sean
przemekw
08-15-2008, 11:31 AM
They only support 4 resolutions on their encoder : qCIF, CIF, 4CIF and 720p. I think the claim is:

up to 256kbps - CIF
256kbps - 1Mbps - 4CIF
above 1Mbps - 720p

However, to get 720p above 1Mbps you have to force sharpness, leaving the setting to motion doesn't kick in 720p until 2Mbps. Also, even though they claim 4CIF @ 256kbps, I think that resolution looks better at higher speeds.

Sean

Thanks for answer but what about Frames per Second ?

regards,

P