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Re:"Skriveno" digitalno klipovanje - Nika Aldrich (1 viewing) (1) Guests
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TOPIC: Re:"Skriveno" digitalno klipovanje - Nika Aldrich
#437
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"Skriveno" digitalno klipovanje - Nika Aldrich 5 Months, 3 Weeks ago  
Evo naleteh na tekst koji je pisao Nika Aldrich, "Digital Distortion in CD’s and DVD’s"... pa ko je raspolozen, mozemo ga malo prodiskutovati.

Konkretno, rec je o problemima u konstrukcionom resenju digitalnog peak metra, u alatima koje koristite, a kada zelite da peak vrednost vaseg materijala drzite jako visoko, recimo, 0.5-0dBFS.

Evo prve slike, u pitanju je prikaz signala u DAW, odnosno tamo gde se odlucuje na koju vrednost ce se limiter postaviti:
 
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Last Edit: 2008/07/13 17:02 By boggy.
 
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#438
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Re:"Skriveno" digitalno klipovanje - Nika Aldrich 5 Months, 3 Weeks ago  
Zatim mozemo videti sta se desava kada se signal podigne do "maksimuma" za koji je peak meter u DAW "odlucio" da je potpuno "bezbedan"
 
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#439
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Re:"Skriveno" digitalno klipovanje - Nik 5 Months, 3 Weeks ago  
I na kraju, trenutak kada se klip ipak desio, zato sto je DAC u svom svakodnevnom radu sposoban da rekonstruise signal na osnovu prethodnih semplova...




U tom slucaju, ako je signal limitovan tako da maksimalni peak bude jako visoko, klipovanje ce se povremeno i ponekad ipak desiti posto je izmedju dva susedna sempla signal visi od prvog, koji je koriscen za procenu maksimalnog peak nivoa.

vise o svemu ovome se moze procitati u samom dokumentu.
 
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Last Edit: 2008/07/13 17:01 By boggy.
 
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#440
dvuckovic (Moderator)
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Re:"Skriveno" digitalno klipovanje - Nika Aldrich 5 Months, 3 Weeks ago  
Tzv. inter-sample clip, jako lijepo rijeseno na TC M6000
 
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Re:"Skriveno" digitalno klipovanje - Nika Aldrich 5 Months, 3 Weeks ago  
dvuckovic wrote:
Tzv. inter-sample clip, jako lijepo rijeseno na TC M6000

Mozes li malo vise reci o tom resenju?
 
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Last Edit: 2008/07/13 18:53 By boggy.
 
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dvuckovic (Moderator)
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Re:"Skriveno" digitalno klipovanje - Nika Aldrich 5 Months, 3 Weeks ago  
evo ih dokumenti:

http://www.tcelectronic.com/media/nielsen_lund_2003_overload.pdf

http://www.tcelectronic.com/media/nielsen_lund_2000_0dbfs_le.pdf
 
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Last Edit: 2008/07/14 01:20 By dvuckovic.
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