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.dsy:it. : Powered by vBulletin version 2.3.1 .dsy:it. > Didattica > Corsi G - M > Informatica applicata al suono > [HELP] Formule
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Speedocamp
.consigliere.

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 !!!!formule!!!!

ciao a tutti qualcuno gentilmente potrebbe dirmi dove posso trovare le formule utili al fine di eseguire completamente gli esercizi presenti negli appelli!!!! Lo do da non frequentante e gli appunti non li ho, tranne le pagine presenti qui sul dsy!!!

Per favore help!!!!


Ciao, Speedocamp
26-09-2006 15:12
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Didjer Wallis
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sarebbe proprio una bella cosa!!!!

DW

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La vita è dolore!
26-09-2006 16:37
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Speedocamp
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infame lasciami sperare..... :(:(:(:(:(:(:(:(!!!!

Ciao, Speedocamp
26-09-2006 16:45
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Didjer Wallis
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no, nel senso che se qualcuno posta qualche formula dà la possibiltà a molta gente di passare sto esame...come me e te!
Ciau Ste

DW

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26-09-2006 17:11
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UncleBo
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Le formule che ho trovato io:

- Calcolo n. armoniche di un segnale triangolare :
((F.Campionamento/2)/F.Fondamentale)
- Calcolo n. armoniche di un segnale ad onda quadra :
((F.Campionamento/2)/F.Fondamentale)/2
- Calcolo bit rate :
F.Campionamento * NByte
- Calcolo dimensione
Durata * F.Campionamento * (bit/8)
- Calcolo durata
Dimensione / (N.bit * F.Campionamento)
- Calcolo guadagno
20 log 10 (Sg.Amplificato(dB)/Sg.prima Amplificazione(dB)
- Calcolo n. bit di quantizzazione
dB da preservare / 6
- Misura Ampiezza minima
2^ (Dinamica Max/6 - Dinamica Min/6)
- Freq. minima misurabile
1/(N.Campioni / F. Campionamento)
- Mod. Matematico
Ampiezza Max * sen(2p (1/(N.Campioni/F.Campionamento)+fase)
- F. minima per generatore LUT
F.Campionamento / N.Campioni


Se qualcuno ne ha altre (o vuole correggere le mie) posti pure :)

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...E' tutto un equilibrio sopra la follia...
26-09-2006 18:51
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Didjer Wallis
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GRANDEEEEEEEEEEEEEE

DW

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La vita è dolore!
26-09-2006 20:46
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UncleBo
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Richiesta grande collaborazione in sede di esame, mi raccomando!!

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...E' tutto un equilibrio sopra la follia...
26-09-2006 22:40
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karplus
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Le formule.... non ci speravo più. :D
27-09-2006 02:21
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Mattex185
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mitico salvo :D
27-09-2006 07:24
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Laertes
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aggiungerei:
Risoluzione Frequenziale = 1/dimensione finestra in secondi
27-09-2006 09:24
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liver82
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Grandi!! Cmq concordo sulla collaborazione durante l'esame...:))))
27-09-2006 09:31
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Didjer Wallis
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Originally posted by liver82
Grandi!! Cmq concordo sulla collaborazione durante l'esame...:))))

:approved:

DW

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27-09-2006 10:34
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Laertes
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-Ampiezza Media
somma di tutti i campioni/numero campioni
-Campioni senza offset:
ad ogni campione sottrarre l'ampiezza media
-Bit quantizzazione necessari per avere tot seganle/rumore
(dinamica in dB + segalerumore desiderato in dB)/6
-Dimensione linea di ritardo
secondi di ritardo voluti * frequenza campionamento * bit quantizzazione
27-09-2006 14:44
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Didjer Wallis
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Manna dal cielo!!! :D

DW

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La vita è dolore!
27-09-2006 15:56
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Varyarë
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GRAZIEEEEE!! VI AMO TUTTI!!! XD

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NON E' MORTO CIO' CHE IN ETERNO PUO' ATTENDERE... E COL VOLGERE DI STRANI EONI ANCHE LA MORTE PUO' MORIRE
27-09-2006 19:15
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