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delay in lame, delay in LAME
lisa sangs
post Jul 5 2006, 13:10
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i have read in somewhere in this forum that there is
576 encoder delay + 529 decoder delay = 1105 samples of delay

can somebody explain me why 576 delay at encoder n 529 at decoder side?

This post has been edited by lisa sangs: Jul 7 2006, 11:30
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haregoo
post Jul 5 2006, 13:35
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Gapless - Hydrogenaudio Knowledgebase
http://wiki.hydrogenaudio.org/index.php?title=Gapless

LAME Technical FAQ
http://lame.sourceforge.net/tech-FAQ.txt
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lisa sangs
post Jul 6 2006, 11:07
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QUOTE (haregoo @ Jul 5 2006, 06:35) *




but module wise split up i need ( like how much is PQMF delay and MDCT delay like that)
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john33
post Jul 6 2006, 20:30
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QUOTE (lisa sangs @ Jul 6 2006, 11:07) *
QUOTE (haregoo @ Jul 5 2006, 06:35) *




but module wise split up i need ( like how much is PQMF delay and MDCT delay like that)

If you look at the beginning of 'encoder.h', some of your questions will be answered. smile.gif


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lisa sangs
post Jul 7 2006, 07:40
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QUOTE (john33 @ Jul 6 2006, 13:30) *
QUOTE (lisa sangs @ Jul 6 2006, 11:07) *

QUOTE (haregoo @ Jul 5 2006, 06:35) *




but module wise split up i need ( like how much is PQMF delay and MDCT delay like that)

If you look at the beginning of 'encoder.h', some of your questions will be answered. smile.gif



in the encoder.h its written like

* polyphase 256-16 (dec or enc) = 240
* mdct 256+32 (9*32) (dec or enc) = 288
* total: 512+16
*

i didnt understand this calculation..please help me
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kjoonlee
post Jul 7 2006, 09:06
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512+16 == (256-16) + (256+32) == 240+288


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lisa sangs
post Jul 7 2006, 09:20
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QUOTE (kjoonlee @ Jul 7 2006, 02:06) *
512+16 == (256-16) + (256+32) == 240+288




smile.gif))))))))))))))))))))))



why 256-16 ? what is that 256 and 16 ?
in 256+32, what is meant by 256 and 32?
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