Article View: borland.public.cppbuilder.multimedia
Article #1025RE: Spectrum Analyser
From: Renato Villone
Date: Mon, 12 Nov 2001 16:33
Date: Mon, 12 Nov 2001 16:33
38 lines
1987 bytes
1987 bytes
Thanks for your reply. But actually I was talking about
real-time, and it's ready. (I implemented the fast fourier
transform). Now I have another problem, but I think it
deserves another different post. Thanks again.
Asaf <hcmos@hotmail.com> escribi๏ฟฝ en el mensaje de noticias
3bef1361_2@dnews...
> Hi
>
> If you need to view your recordings you need cooledit pro.
> If you need to do it your self you need to get the Wave
file format which is
> very simple:
>
> struct WaveFileHeader
> {
> unsigned char RIFF[4];
> unsigned long waveformSize;
> unsigned char WAVE[4];
> unsigned char fmt_[4];
> unsigned long formatSize;
> unsigned short FormatTag;
> unsigned short N_Channels;
> unsigned long SamplesPerSec;
> unsigned long AvgBytePerSec;
> unsigned short BlockAlign;
> unsigned short BitsPerSample;
> unsigned char data[4];
> unsigned long waveformDataSize;
> };
>
> and lookup Forie transformation (hope the spelling is
right) as a starting
> point for the algorithem.
>
> Asaf
>
>
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X-Google-Language: ENGLISH,ASCII X-Google-Thread: 10d0fc,ca1a6e46a887d488 X-Google-Attributes: gid10d0fc,public X-Google-ArrivalTime: 2001-11-12 08:41:32 PST From: "Renato Villone" <villone_vieyra@fullzero.com.ar> Newsgroups: borland.public.cppbuilder.multimedia References: <3bec5a07_1@dnews> <3bef1361_2@dnews> Subject: RE: Spectrum Analyser Date: Mon, 12 Nov 2001 13:33:56 -0300 Lines: 40 Organization: CyberDyne Systems X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.00.2615.200 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2615.200 NNTP-Posting-Host: 200.61.47.117 Message-ID: <3beff9fb_1@dnews> X-Trace: dnews 1005582843 200.61.47.117 (12 Nov 2001 08:34:03 -0800) Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!supernews.com!newsfeed.direct.ca!look.ca!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!dnews