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[SOLVED] Ices 2.0 Vorbis VBR is killing me with delay

 
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Anonymous
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PostPosted: Fri Feb 17, 2006 6:10 pm    Post subject: [SOLVED] Ices 2.0 Vorbis VBR is killing me with delay Reply with quote

Hello, I am trying to setup an icecast channel for audio news.. The line will be silent most of the time with broadcasts about 3 or 4 times an hour. My problem is that with VBR the silence gets compressed down to nothing, causing the player buffer to open up a huge delay.

When the broadcaster comes on I want all the listeners to hear it ASAP. I was looking at nominal-bitrate but it didn't seem to have an effect. Any ideas?


Last edited by Anonymous on Thu Feb 23, 2006 9:37 pm; edited 1 time in total
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Anonymous
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PostPosted: Thu Feb 23, 2006 8:40 pm    Post subject: Reply with quote

When I pipe music into the channel the prebuffering is not a problem because there is content on the stream.. however, since silence is primarily what's on the line this creates a delay. Is there any way to stop ices from sending in VBR? (So the silence would be encoded at 24kbps instead of < 2kbps )
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karlH
Code Warrior
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Joined: 13 Jun 2005
Posts: 5476
Location: UK

PostPosted: Thu Feb 23, 2006 8:54 pm    Post subject: Reply with quote

have you tried the managed mode settings, ie <managed> 1 and <minimum-bitrate> 24000 (or some figure slightly lower than the nominal)?

karl.
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Anonymous
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PostPosted: Thu Feb 23, 2006 9:36 pm    Post subject: Reply with quote

hmph, i had tried nominal-rate and minimum-rate by themselves before posting to no avail but now retrying with both of them it is doing just fine, thank you!

Code:

            <encode> 
                <quality>3</quality>
                <samplerate>8000</samplerate>
                <channels>1</channels>
                <managed>1</managed>
                <nominal-bitrate>24000</nominal-bitrate>
                <minimum-bitrate>24000</minimum-bitrate>
            </encode>
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