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Thread: error protection questions




error protection questions
country flaguser name
China
2008-05-05 20:20:51
Hi, 
   
   
  Helix producer sdk provides two ways of protection against
data loss:
   
  1. kPropBroadcastFecPercent. How to set this parameter if
our channel from encoder to server has average packet loss
rate 20%? If I set it 25%, will it be able to compensate the
packet loss rate?
   
  2. In encoding Audience file, there is tag,
<enableLossProtection type="bool">, if that
is set to be true, what protection is it supposed to do?
what is relationship to No. 1 protection? Is it
complementary or basically the same? 
   
   
  A more general related question is: will Helix producer
and server have any other mechanisms built just for
enhancing the reliability of UDP transmission such as
timeout, retransmission, detection of duplicate, etc.
   
  thanks a lot,
   
  Frank,

       
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