delay in lame, delay in LAME |
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delay in lame, delay in LAME |
 Jul 5 2006, 13:10
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#1
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 Group: Members Posts: 22 Joined: 30-September 05 Member No.: 24804  |
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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Jul 5 2006, 13:35
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#2
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 Group: Members Posts: 192 Joined: 16-January 06 Member No.: 27155 |
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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 Jul 6 2006, 11:07
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#3
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Group: Members Posts: 22 Joined: 30-September 05 Member No.: 24804 |
QUOTE (haregoo @ Jul 5 2006, 06:35)  Gapless - Hydrogenaudio Knowledgebase http://wiki.hydrogenaudio.org/index.php?title=Gapless LAME Technical FAQ http://lame.sourceforge.net/tech-FAQ.txt but module wise split up i need ( like how much is PQMF delay and MDCT delay like that) |
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Jul 6 2006, 20:30
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#4
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 xcLame and OggDropXPd Developer Group: Developer Posts: 3706 Joined: 30-September 01 From: Bracknell, UK Member No.: 111 |
QUOTE (lisa sangs @ Jul 6 2006, 11:07) QUOTE (haregoo @ Jul 5 2006, 06:35) Gapless - Hydrogenaudio Knowledgebase http://wiki.hydrogenaudio.org/index.php?title=Gapless LAME Technical FAQ http://lame.sourceforge.net/tech-FAQ.txt 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. 
-------------------- John
---------------------------------------------------------------- My compiles and utilities are at http://www.rarewares.org/ |
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Jul 7 2006, 07:40
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#5
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Group: Members Posts: 22 Joined: 30-September 05 Member No.: 24804 |
QUOTE (john33 @ Jul 6 2006, 13:30) QUOTE (lisa sangs @ Jul 6 2006, 11:07) QUOTE (haregoo @ Jul 5 2006, 06:35) Gapless - Hydrogenaudio Knowledgebase http://wiki.hydrogenaudio.org/index.php?title=Gapless LAME Technical FAQ http://lame.sourceforge.net/tech-FAQ.txt 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. 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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Jul 7 2006, 09:06
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#6
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 Group: Members Posts: 2525 Joined: 25-July 02 From: South Korea Member No.: 2782 |
512+16 == (256-16) + (256+32) == 240+288
-------------------- http://blacksun.ivyro.net/vorbis/vorbisfaq.htm
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Jul 7 2006, 09:20
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#7
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Group: Members Posts: 22 Joined: 30-September 05 Member No.: 24804 |
QUOTE (kjoonlee @ Jul 7 2006, 02:06) 512+16 == (256-16) + (256+32) == 240+288 ))))))))))))))))))))))why 256-16 ? what is that 256 and 16 ? in 256+32, what is meant by 256 and 32? |
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