Article View: sci.electronics
Article #19639Re: VCR comercial eliminator
From: Mr. Video
Date: Thu, 01 Sep 1988 00:45
Date: Thu, 01 Sep 1988 00:45
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In article <1160@scolex> glenns@sco.COM (The Static Master) writes: < Ever Notice how many commercial sound levels are much much greater < than normal tv sound? It wouldnt be very hard to monitor sound levels < and when the sound level reaches critical commercial level (:) ) turns < off the recording. Thats probably why they say only 95% of the time,some < commercials are as loud as others(thank god). They APPEAR louder, but in actuality, they aren't. Based on modulation levels, they are still 100% (or less :-). Audio compression techniques are used to make them seem louder. So just monitoring the sound level isn't going to work. One would need to do a real-time FFT on the sound. -- harvard-\ att--\ Mr. Video ucbvax!uwvax!astroatc!nicmad!brown rutgers-/ decvax--/ rolls--/
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!attcan!uunet!seismo!sundc!pitstop!sun!decwrl!purdue!haven!rutgers!uwvax!astroatc!nicmad!brown From: brown@nicmad.UUCP (Mr. Video) Newsgroups: sci.electronics,rec.video Subject: Re: VCR comercial eliminator Keywords: VCR Message-ID: <3118@nicmad.UUCP> Date: 1 Sep 88 00:45:06 GMT References: <257@ivucsb.UUCP> <1160@scolex> Reply-To: brown@nicmad.UUCP (Mr. Video) Distribution: na Organization: Mr. Video's Hangout Lines: 16