[darkice] Re: Achieving realtime with streaming sound
- From: "Evert Verduin" <ebverduin@xxxxxxxxxx>
- To: <darkice@xxxxxxxxxxxxx>
- Date: Mon, 6 Dec 2010 18:40:45 +0100
Roland,
The highest quality will give you the lowest delay ( according to my
experience ).
Further, decrease your buffer size in the player ( will increase hickups in
case of network issues. )
Furthermore, mpg encoding will always give some latency.
BR
Evert
----- Original Message -----
From: "Roland Whitehead" <roland@xxxxxxxx>
To: <darkice@xxxxxxxxxxxxx>
Sent: Monday, December 06, 2010 6:12 PM
Subject: [darkice] Achieving realtime with streaming sound
We have set up a number of small encoding boxes all running Darkice. These
then stream to Icecast2 servers in North America and Europe. We then embed
HTML5 Audio tags in browsers or fall back on Flash if HTML5 is not
supported. All seemingly works beautifully on IE, Firefox and Webkit based
browsers, on desktop, laptop and mobile phones. The sound quality is just
great.
Just one problem: there is always too much of a lag in the sound. I am
looking for tips on how to reduce the delay.
It starts with Darkice which insists on a 1 second buffer. Is there anyway
to get this lower?
I appreciate that the different browsers will cache different amounts but
what should I do to minimise this cache? I've tried encoding at the lowest
quality to minimise the stream and at the maximum quality to flood the
caches sooner. Mixed results.
How do others get nearer real-time sound streaming?
TIA
Roland
--
QURU Ltd, London
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