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- Thu Mar 29, 2012 4:15 pm
- Forum: Windows
- Topic: Test if .wav file was ever an mp3
- Replies: 11
- Views: 12048
Re: Test if .wav file was ever an mp3
You can also use the "Spectrogram"-view; zoom out to look at the range between 15khz and 20khz. A mp3 will have holes when the high frequency content is masked by lower frequency content. Here's an example (original wav, 320kbps mp3, 160kbps mp3):