[zxspectrum] Re: zxspectrum Digest V2 #135
- From: Enrico Maria Giordano <e.m.giordano@xxxxxxxxxxxxxxx>
- To: zxspectrum@xxxxxxxxxxxxx
- Date: Mon, 29 Dec 2003 19:18:10 +0100
Luca Bisti wrote:
>
> > Infatti. La risposta in frequenza dei registratorini che utilizzavamo
> > con lo Spectrum non può essere paragonabile alla radio FM Stereo che è
> > di 15 KHz. Immagino sarà intorno agli 11 KHz come ipotizzavi tu.
>
> Bisogna tener conto che e' bene conservare almeno le prime 3-4 armoniche
> del segnale. Nel caso dell'Alkatraz, in cui la fondamentale del bit0 e' a
> circa 3100Hz, significa quindi dover preservare almeno 10-12 KHz di banda,
> ovvero campionare ad almeno 20-24 KHz (per il teorema di Shannon).
Piuccheggiusto!!! Dimenticavo il necessario raddoppio! Ok, allora
immagino che ci sia poco da guadagnare sulla larghezza di banda... :-(
EMG
--
EMAG Software Homepage: http://www.emagsoftware.it
The EMG's ZX-Spectrum Page: http://www.emagsoftware.it/spectrum
The Best of Spectrum Games: http://www.emagsoftware.it/tbosg
- References:
- [zxspectrum] Re: zxspectrum Digest V2 #135
- From: Roberto Montaruli
- [zxspectrum] Re: zxspectrum Digest V2 #135
- From: Enrico Maria Giordano
- [zxspectrum] Re: zxspectrum Digest V2 #135
- From: Luca Bisti
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- » [zxspectrum] Re: zxspectrum Digest V2 #135
- » [zxspectrum] Re: zxspectrum Digest V2 #135
- [zxspectrum] Re: zxspectrum Digest V2 #135
- From: Roberto Montaruli
- [zxspectrum] Re: zxspectrum Digest V2 #135
- From: Enrico Maria Giordano
- [zxspectrum] Re: zxspectrum Digest V2 #135
- From: Luca Bisti