Here is one of the better free spectrograms available. Gram 50
http://www.kcl.ac.uk/kis/[...]m50.zip or
http://www.genderlife.com[...]m50.zip
Basic Setup
* Pointers: Click on “white cross.”
* File: Click “Scan Input,” (F3) and set FFT Size to “4096.”
* Set Frequency Resolution to “6.5” and Pitch Detector to “On.”
* Set Time Scale to “10,” and Palette to “User.”
* Go back to Pointers and click on “Frequency Mark.”
* Set lower end between 155 – 175 and upper end to 220. Leave the other settings as they are.
* Click “OK,” and start speaking into your microphone.
One Alternative
* Under “Scan Input,” within the “Sample Characteristics Box,” set the Sample Rate at “5.5k.” Keep
* Frequency Resolution at “6.5” and set Band from 0 to 344.
* Leave all other settings as they are. Click “OK,” and start speaking into your microphone.
* Note: There are many ways to use GRAM and they are explained in the “Help” menu.
The above set-ups are just intended to get you started.
Hugs,
Marsha