Subject: Re: Robust method of fundamental frequency estimation. From: Bob Masta <audio@xxxxxxxx> Date: Fri, 2 Feb 2007 09:14:25 -0500 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>Dear list: As long as we are on this topic, does anyone know what method those $20 guitar tuner devices use? I n my limited experience (observing others) they seem to work pretty well for guitars. In fact, I'd have to say "amazingly well", based upon my pre-computer attempts at pitch extraction for stringed instruments. <g> Has anyone tried one on low piano notes? Best regards, Bob Masta D A Q A R T A Data AcQuisition And Real-Time Analysis www.daqarta.com Scope, Spectrum, Spectrogram, Signal Generator Science with your sound card!