The iBird Pro app for ios and Android includes spectrograms for all of their recorded calls and songs.

Rick

Rick Taylor
Everett, WA

Sent from my Windows Phone

-----Original Message-----
From: Amy Hill
Sent: 10/26/2012 5:39 PM
To: Tweeters
Subject: [Tweeters] Thanks for the Info - Sound Frequency question



Thank you to all who answered on and off list. I am going to enjoying
poring over all the info!


Amy Hill
Kalama,
Washington
628 ft up in Cowlitz County
60stops2home at kalama
dot com