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Article #1157Re: Having messed with FFT programs, I have a few questions...
From: John Ruckstuhl
Date: Sun, 02 Dec 1990 17:24
Date: Sun, 02 Dec 1990 17:24
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In article <1811@beguine.UUCP> Jeff.Miller@samba.acs.unc.edu (Jeff Miller) writes: >Can I "zoom in" on that frequency range, for better resolution, without >increasing the sample rate or making any other changes which in the real >world (if I applied this to CD audio for example) would be difficult? >Don't ask me why I haven't tried by modifying my program... Consider the "Zoom FFT" suggested by Yip (1976), and discussed in modern textbooks of DSP. Hopefully, someone will post or email the title of a good reference -- else check Blahut's Fast Algorithms for DSP or Taylor's Digital Filter Design Handbook to see if they describe it. Regards, ruck. -- John R Ruckstuhl, Jr University of Florida ruck@cis.ufl.edu, uflorida!ruck
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Path: arc1-ca.pugleaf.net!utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!uakari.primate.wisc.edu!uflorida!reef.cis.ufl.edu!ruck From: ruck@reef.cis.ufl.edu (John Ruckstuhl) Newsgroups: comp.dsp Subject: Re: Having messed with FFT programs, I have a few questions... Message-ID: <25687@uflorida.cis.ufl.EDU> Date: 2 Dec 90 17:24:58 GMT References: <1811@beguine.UUCP> Sender: news@uflorida.cis.ufl.EDU Organization: UF CIS Dept. Lines: 17