Sound Chef Pro is a professional tool for learning sound frequencies easily. It works with both Apple Mac OS X and Microsoft Windows. For progressive learning, you can choose to work in 10, 15 or 31 frequency RANGES. The software can be used in two different modes:

- LEARN mode lets you hear the different frequencies and learn them, monitoring the ones you have already listened to on a bargraph-style screen which shows you the frequencies you've studied the most.

- TEST mode provides a way to auto-test your skill and knowledge by doing a sound dictation and displays your results for each individual frequency and a global score. You will receive a grade at the end of each test and you can post your results on the web site.

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