Efekti Audio Kompresije

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hrvoje
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Efekti Audio Kompresije

Post by hrvoje »

CD Audio (1411 kbps) - 176.375 kB/second, 10.334 MB/minute, 620.1 MB/hour
WMA Lossless (470-940 kbps VBR) - 58.75-117.5 kB/second, 3.442-6.885 MB/minute, 206.5-413.1 MB/hour
320 kbps - 40 kB/second, 2.344 MB/minute, 140.6 MB/hour
256 kbps - 32 kB/second, 1.875 MB/minute, 112.5 MB/hour
192 kbps - 24 kB/second, 1.406 MB/minute, 84.38 MB/hour
160 kbps - 20 kB/second, 1.172 MB/minute, 70.31 MB/hour
128 kbps - 16 kB/second, 0.938 MB/minute, 56.25 MB/hour
96 kbps - 12 kB/second, 0.703 MB/minute, 42.19 MB/hour

Artist - OutKast
Song - Liberation
Length - 8:46

1411 kbps (CD Audio) ... Size = 88.4 MB
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WMA Mathematically Losses ... Size = 59.3 MB
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320 kbps MP3 ... Size = 20.0 MB
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256 kbps MP3 ... Size = 16.0 MB
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192 kbps WMA ... Size = 12.0 MB
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192 kbps MP3 ... Size = 12.0 MB
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Last edited by hrvoje on Mon Jul 03, 2006 9:57 pm, edited 1 time in total.
hrvoje
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Post by hrvoje »

160 kbps WMA ... Size = 10.0 MB

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160 kbps MP3 ... Size = 10.0 MB

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128 kbps WMA ... Size = 8.08 MB

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128 kbps MP3 ... Size = 8.02 MB

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96 kbps WMA ... Size = 6.06 MB

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96 kbps MP3 ... Size = 6.01 MB

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hrvoje
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Post by hrvoje »

1411 kbps Zoomed

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WMA Lossless Zoomed

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320 kbps MP3 Zoomed

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256 kbps MP3 Zoomed

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192 kbps WMA Zoomed

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192 kbps MP3 Zoomed

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hrvoje
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Post by hrvoje »

160 kbps WMA Zoomed

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160 kbps MP3 Zoomed

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128 kbps WMA Zoomed

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128 kbps MP3 Zoomed

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96 kbps WMA Zoomed

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96 kbps MP3 Zoomed

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hrvoje
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Post by hrvoje »

dal onda jos neko misli da mp3 ili WMA zvuci dobro ko CD? :D
Last edited by hrvoje on Mon Jul 03, 2006 10:06 pm, edited 1 time in total.
Djuro

Efekti Audio Kompresije

Post by Djuro »

Za koji nacin kodiranja je ovo reklama ? :laugh:

mp3 i wma su popularni zbog velicine datoteke, a razlika je prakticki necujna za jedno 95% populacije (iako je poprilicno cujna - naravno, ovisi o materijalu koji se kodira).

Takodjer, na losijem sustavu, razliku je jos teze uociti.

Za cjepidlake, mozda bi bilo dobro i napraviti usporedbu CD-audio, super audio CD (ili kako se vec zove onaj sonyev izum), DVD-audio, ... :whistling:
hrvoje
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Post by hrvoje »

a isto tako neki su i malo šumasti pa ne mogu cut razliku u kvaliteti :D
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Outlaw
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Post by Outlaw »

A neki cuju i razliku CD i kopija tog CDa...:thumbup:
hrvoje
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Post by hrvoje »

[QUOTE=Outlaw]A neki cuju i razliku CD i kopija tog CDa...:thumbup:[/QUOTE]

:lol: :lol: :lol: :lol: :lol: bulshit
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Post by Djuro »

[QUOTE=Outlaw]A neki cuju i razliku CD i kopija tog CDa...:thumbup:[/QUOTE]

Je, je, cuje se :laugh:

Tehnicko obrazlozenje: "do razlike u zvuku izmedju kopije i originala dolazi zbog vremenske nepreciznosti digitalnog signala (jitter)"

No, moje skromno misljenje o tome je bulshit :laugh: :laugh:
fire
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Efekti Audio Kompresije

Post by fire »

mp3(ako je dobro kodirano i iznad 192) i cd ce zvucati isto, ali na tim grafovima nece. Pa to je bit mp3(i ostalih) kompresije da se izbace stvari koje se ne cujeju. Npr probaj pustiti si 1kHz full snage i onda dodaj 1.2kHz cca -20dB snage. Cujes razliku?
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marko_v
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Post by marko_v »

sigurno je da se gubi na kavalitetu,ali mp3 je mp3...
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Post by melquiad »

Outlaw wrote:A neki cuju i razliku CD i kopija tog CDa...:thumbup:


Ti su mi najjaci. Cital sam na jednom "audiofilskom" sajtu recenziju nekog CD playera i navodno svi (pa i jako skupi) CD playeri ne citaju sve bitove sa spzenog CDa nego recimo 80-90 posto. I zato sprzeni CD ne zvuci ko original.  bulshit :bash: :bash: . IMHO to mi je u rangu sa onim idiotom koji budalama prodaje AMP na drvenoj dascici od par wata i jos trebas akumulator da to radi. Taj lik je zmislil lak s kojim premazes tranzistore i onda zvuce kao cijevi. LOL!!!!!!!! Mozda nas na FERu pogresno uce ili mozda moja uha nisu dovoljno dobra. Mozda bi onome tko cuje "smjer" zvucnickog kabela zbilja zvucalo kao cijevno pojacalo. A mozda smo i u sumi!  :lol:
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jurki
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Post by jurki »

što je pjesnik htio rec
"I think vintage audio is a waste of money and can't even match the sound of todays midfi"
www.zaphaudio.com
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