Polycom 40/0 manual Local Media Storage Capacity, MP4, People Video Content Video

System Overview

Local Media Storage Capacity

Each 60 minutes 512k call to RealPresence Capture Server requires about 450M storage (the 512k call raw

+the default mp4 VoD). For 1024k, the storage space is about double, which is 900M. You cannot calculate an accurate ratio because the size also depends on the video quality.

Storage Usage

Situation	Primary Rate	Call Duration	Storage Space	Storage Space
			(WMV)	(MP4)
1*1080p	1024 kbps (MP4)	60 minutes	~1.4 GB	~870 MB
	1728 kbps (WMV)
1*1080p	4096 kbps	60 minutes	~3.2 GB	~3.5 GB
1*720p	4096 kbps	60 minutes	~3.2 GB	~3.5 GB
1*720p	1024 kbps	60 minutes	~862 MB	~860 MB
1*4CIF	512 kbps	60 minutes	~458 MB	~459 MB
1*CIF	128 kbps	60 minutes	~100 MB	~103 MB

People Video

Content Video

Call Protocols	H.323, SIP	H.239, BFCP (TCP only)
Audio	G.711, G.722, G.722.1,	N/A
Protocols/Codes	G.722.1.C, G.729A,
	Siren 14 (Mono, Stereo),
	Siren 22 (Mono, Stereo),
	Siren LPR,
	Siren LPRStereo
Video Codecs	H.264 BP, H.264 HP,	H.264 BP, H.264 HP,
	H.263, H.263+, H.261	H.263, H.263+
Video Resolutions	1080P, 720P, 4CIF, CIF	H.263: XGA (30)
		H.264: 720P30

Polycom, Inc. 5