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I'm experimenting with the output file feature from the sample app SignalGenerator. I was able to output a test.wav file, but there's no duration, and I couldn't play the file with Quicktime or afplay in command line. What is the proper file format that can be accept by SignalGenerator? Below is a screenshot of test.wav file info. The command line command and arguments are: signal -signal triangle -duration 1.5 -output "Desktop/test.wav" -amplitude 0.7 signal being the shortcut I created to the executable file. Thank you, Peter