On 12/18/18 12:52 PM, Rick Stevens wrote:
On 12/18/18 12:11 PM, Samuel Sieb wrote:
LMS has very tight synchronization. I have a client playing on the
stereo and one on my laptop. If I stand between the rooms, there is no
perceptible difference in the timing.
Are you speaking of Logitech Media Server?
Yes.
It uses its own protocol and I
assume there is some timing information involved. Remember that the
original question was for an internal LAN, not over the internet.
Yes, it uses its own protocol, which means the clients must grok it and
that will restrict its use. In a LAN environment, where you have very
tight control over which clients you use, yes, it may be a valid option.
That is what the OP was asking for.
Note that the "standard" packetizing protocols will exhibit these
synchronization issues even on a LAN because you have no control over
the clients' playlist request timings due to the inherent asynchronous,
transaction-oriented nature of the connections. If you could control
that, then things would be different and it would require some sort of
out-of-band signalling. The downside to the older, connection-oriented
protocols like RTSP is that any given server could easily be saturated
with connections.
And that is why applications that require tight synchronization use
special protocols. Considering the accuracy that NTP can achieve over
the internet, it's certainly possible to do it over a LAN.
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