Description	Igor Pro from Wavemetrics, Inc. is "an interactive environment for experimentation with scientific and engineering data and for the production of publication-quality graphs and page layouts." Available for Mac OS X and Windows. Time-frequency spectrograms can be produced, manipulated and analyzed just as easily as any other scientific plot!
BSound2	General procedures for viewing and analyzing sound signals. Download:  BSound2    8/07/07   What's new? Procedures require Igor Pro v6.01 (v6.02B02a for native GUI) Place the unzipped folder named 'BSound2 Procedures' inside the '/User Procedures' folder. Copy file 'SndLoadSaveWave.xop' from '/More Extensions/File Loaders' into '/Igor Extensions'. more. Procedures require QuickTime. optional: place file BS2OpenFileHook.ipf  in the 'Igor Procedures' folder to automatically load BSound2 procedures and supported sound files. Alternatively, type #include "BSound2" in the Procedure window (and close the window) to access BSound2 procedures via the "BSound2" menu. How to install and include BSound2 procedures in an Igor Pro experiment (old). [PDF] Screen shots (old):  General   Modify Graph   Layout
Realtime2	Realtime spectrogram display.
Recorder2	Monitors 2 channels and records to disk when a sound is detected
Spectrum2	Realtime spectrum display and calibrated SLM
	Other Files
Igor Pro extensions	Copy file 'SndLoadSaveWave.xop' from '.../Igor Pro Folder/More Extensions/File Loaders' into '.../Igor Pro Folder/Igor Extensions' Procedures also require QuickTime.
FIR coefficients	Download: FIR coefficients Various high pass and low pass coefficients produced at several sample rates (40, 44.1 and 48 kHz) and some high pass and band pass coefficients for use with "Recorder" procedures (44.1 kHz) "A" and "C" weighted 44.1 kHz and 22.05 kHz filter coefs:  SLM coefs.sit 20K or SLM coefs.zip 20K
Bird songs	Grasshopper sparrow Ammodramus savannarum floridanus, Florida Download: aiff file 191K or wav file 191K
	Russet-backed oropendola Psarocolius angustifrons, Iquitos Peru Download: aiff file 71K or wav file 71K
	Eastern towhee Pipilo erythrophthalmus alleni, Florida Download: aiff file 153K or wav file 153K
See Also:	Realtime Sonagram included with Igor Pro and upon which RealTime Spectrogram has been based. Igor Pro Folder:Examples:Movies & Audio:Sound Input:Realtime Sonagram Charlie E.M. Strauss's VoicePrint-SonogramDemo ftp://d31rz0.stanford.edu/IgorPro/User_Contributions/VoicePrint-SonogramDemo.sit.hqx Sonogram Demo include with IGOR Pro 4.0.4 Igor Pro Folder:Examples:Movies & Audio:Sonogram Demo Other dedicated spectrogram generating applications: Canary, Signal, SASLab, etc...
	Igor v4 Procedures
Multichannel chart	See Igor Chart page Procedures for displaying multiple channels. #include "Chart01"
	Old Procedures
BSound	Download:  Mac OS sit Procedures 56K   or   PC zip Procedures 53K updated 12/05/02 BSound2 is recomended over this older version! General procedures Procedures for generating and displaying waveforms, spectra and spectrograms. How to install & include in a new Igor Pro experiment. #include "BSound" You can also put the BSound.ipf file in the Igor Procedures folder to avoid typing #include "BSound"
Realtime spectrogram	Download: Mac OS Procedure file or PC zip Procedure file updated 10/30/02 Realtime2 is recomended over this older version! View Screen shot Realtime spectrogram display. #include "RealTime"
Sound Recorder	Download: Mac OS Procedure file or PC zip Procedure file updated 7/08/02 Recorder2 is highly recomended over this older version! View Screen shot Triggerable sound recorder with pre-trigger and post-trigger time buffers. #include "Recorder"
Spectrum analyzer	Download: Mac OS Procedure file or PC zip Procedure file updated 10/11/02 View Screen shot Realtime spectrum display. Can also funtion as a sound level meter. A movie produced by IGOR Pro #include "Spectrum"