Use free software like Spek (spectrogram analyzer). A true 320kbps MP3 shows a clean frequency cut-off at 20.5 kHz – 21 kHz . A fake 320kbps (originally 128) cuts off at 16 kHz.
Use free software like Spek (spectrogram analyzer). A true 320kbps MP3 shows a clean frequency cut-off at 20.5 kHz – 21 kHz . A fake 320kbps (originally 128) cuts off at 16 kHz.
Use free software like Spek (spectrogram analyzer). A true 320kbps MP3 shows a clean frequency cut-off at 20.5 kHz – 21 kHz . A fake 320kbps (originally 128) cuts off at 16 kHz.