[Icecast] IceCast KH - question

Greg Ogonowski greg at indexcom.com
Tue Jun 11 06:25:31 UTC 2013

This is not a problem with SAM or the KH builds.

I recently replied to a similar question. It has everything to do with "the man with two clicks doesn't know what time it is."

I will find the reply and reply again with it if you want.


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On Jun 10, 2013, at 23:43, Live Mix - Arvy <arvy2013 at livemix.com.br> wrote:

> Hello Thomas and Karl, thank you for your answer and time.
> We've tested with several listeners and different connections, using 
> WinAmp and JW Player. For about 15 minutes, everything is ok. After 
> 15-18 minutes, WinAmp starts do blink that "red square" (packet loss or 
> instability), and after about 20 minutes sounds starts to "pop", with 
> small cuts, and then starts to cut a lot. I think the problem is 
> progressive: more time, more cuts.
> We use SAM Broadcaster to encode AAC+ HE 48k. We're using the latest 
> IceCast KH version, Win32.
> Other datail: all users have always "Lag: 0" on Admin interface
> If you want to listen what happens, if you can and have time (very 
> appreciated) the stream is http://mp4.livemix.com.br/livemix - if 
> possible using WinAmp. Wait about 15-20 minutes to see the problem.
> Any ideas I really appreciate, because we have about 100-200 listeners 
> at same time we really don't know what to do :(
> Thanks a lot,
> Rogerio
>> On 06/06/13 17:13, Live Mix - Arvy wrote:
>>> Hi there,
>>> we use IceCast KH on our webradio, no commercial. We have an issue that
>>> we dont know where to look. When listening using WinAmp (but in other
>>> players too like JW Player), after 70 or 90 minutes, we realize that the
>>> "green square" on top of WinAmp becomes a "red square". About 60 minutes
>>> after start, sometimes the "red square" blinks, and then more
>>> frequently. It happens with different internet connections and
>>> providers. Until 60 minutes, the broadcast is perfect.
>>> Can you give me an idea where to look or solve this issue? It's related
>>> to Icecast, or encoder, or internet connection, etc?
>> My initial guess would be the encoder sending rate being mismatched 
>> with the samplerate.  When a player reports an issue it needs to be 
>> clear on what it is relating to, but I suspect it will be down to a 
>> starvation of the incoming data.
>> Any issue within icecst here would should as an increased lag value 
>> for that listener on the admin page, icecast will send a lot faster 
>> than the source but is still subject to certain limits like CPU or may 
>> be a per-mount limit (limit-rate is set).
>> If it is affecting multiple listeners at different locations at a 
>> consistent offset into the stream then the sending rate from the 
>> source is suspect. May be a 44k/48k mismatch or a bad clock on the 
>> source client.
>> karl.
> Live Mix
> www.livemix.com.br
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