Paul, thanks. The latency between the two keyers is a variable
(depending on the locations of the two keyers), but the K1EL keyer
latency should be some standard latency times two. Any idea how much
that standard keyer latency would be?
I'm interested in adding up the latency contribution from the basic
components to understand how each part contributes to the total
latency. I'll initially be most interested in voice, but then in CW and
perhaps eventually in RTTY. This is mostly a thought exercise at the
moment.
There is a kickstarter going for an audio interface with less than 3
millisecond internal latency. It is designed for internet music jam
sessions. My current equipment (including a router) seems to have about
18 ms latency and a total latency between two players seems to need to
be less than about 25-30 ms for two or more to play together across the
internet. So add internet latency and can't play with folks outside the
West Coast. This all got me thinking about remoting radio and whether
there might be a dual use for this "Jam Blaster".
Richard Hill
nu6t
On 3/2/2015 4:01 AM, Poul Erik Karlshøj (PKA) wrote:
Richard
If you operate CW you also must consider that there will be a contribution to
the overall latency from the buffering in the key system. When you use two K1EL
Winkeyers connected over IP you have additional latency because the local
winkeyer is decided before the character is sent over IP.
Still remote CW works just fine for most QSOs.
Paul/OZ4UN
Sendt fra min iPad
Den 28/02/2015 kl. 01.55 skrev "Rich" <[email protected]>:
I've been watching the discussions related to remote stations, and discussions
related to latency. Has anyone compared the latencies of various setups. I
think I understand that there is latency within a station (equipment) whether
local or remote, and a latency in the communications lines between the local
and remote station. I'm curious about the local or remote station equipment
latency.
Thanks.
--
Richard Hill
NU6T
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