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http://sonicvisualiser.org/ is free and can do regular spectrograms with a piano scale along the left side, automatic note transcriptions (and play them back), chromagrams, etc.
http://sonicvisualiser.org/ is free and can do regular spectrograms with a piano scale along the left side, automatic note transcriptions (and play them back), chromagrams, etc.
http://sonicvisualiser.org/ is free and can do regular spectrograms with a piano scale along the left side, automatic note transcriptions (and play them back), chromagrams, etc.
http://sonicvisualiser.org/ is free and can do regular spectrograms with a piano scale along the left side, automatic note transcriptions (and play them back), chromagrams, etc.
