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9821EMR-AG-HUB
User Manual
Page - 28
Revision 0.1
4.10. DEALY CONTROL
Figure
4-20 : WebEASY
®
- Delay Control
4.10.1. Global Delay Control
Network Delay for Auto Mode:
Adjusts for end-to-end delay from Encap to Decap. Audio streams
take minimum 3ms to be Encap'd, travel thru network, reach Decap unit, and go into memory, before
they can be played out as TDM. Minimum recommended value for this setting is 3ms.
PTS Offset for Auto Mode:
This field is meant to compensate for compressed streams that typically
have a huge POSITIVE offset added to their PTS. These PTS values will be far ahead of running PTP,
so the card cannot sync to it unless incoming timestamps advancement is known. In any regular
operation this setting has to be set to 0.
EMR Delay for Manual Mode:
This field specifies how much latency we want thru the EMR, i.e., how
long we want audio samples to stay in memory, before we play them out. In this case we don't care
about network delay, how long it takes for audio streams to travel from Encap card to Decap card are
all irrelevant. Samples are stored in memory, and read out N[ms] later as per user setting.
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