Audio Test CD Vol. 3 - 1/3 Octave Pink Noise Test tracks are 2 minutes in length. Each track has a spoken cue indication the track content for ease of use. 1: Spoken Introduction 19: 400 hz Pink Noise 2: 1khz 0dbfs 20: 500 hz Pink Noise 3: 1khz -14dbfs 21: 630 hz Pink Noise 4: Pink Noise 20/20k 22: 800 hz Pink Noise 5: Narrative Comments 23: 1 khz Pink Noise 6: 20 hz Pink Noise 24: 1.3 khz Pink Noise 7: 25 hz Pink Noise 25: 1.6 khz Pink Noise 8: 32 hz Pink Noise 26: 2 khz Pink Noise 9: 40 hz Pink Noise 27: 2.5 khz Pink Noise 10: 50 hz Pink Noise 28: 3.2 khz Pink Noise 11: 62 hz Pink Noise 29: 4 khz Pink Noise 12: 80 hz Pink Noise 30: 5 khz Pink Noise 13: 100 hz Pink Noise 31: 6.4 khz Pink Noise 14: 125 hz Pink Noise 32: 8 khz Pink Noise 15: 160 hz Pink Noise 33: 10 khz Pink Noise 16: 200 hz Pink Noise 34: 13 khz Pink Noise 17: 250 hz Pink Noise 35: 16 khz Pink Noise 18: 315 hz Pink Noise