10Hz to 4kHz constant level -3dBFS PCM to MP3 conversion references
1. 100% PCM -3dBFS= +8 standard direct MP3 at -4 db NP3
a. Sweep - b. Pigs - c. Frankfort KY
2. 90% PCM -3dBFS = -2 db MP3 = -14 db / standard
a. Sweep - b. New York City
3. 94% PCM -3dBFS -= + 2 /4 dB MP3 = - 8 db standard
a. Sweep - b. Champaign IL
4. 97% PCM -3dBFS = +6 db MP3 = - 2db standard
a. Sweep - b. Marion IL
5. 107 % PCM -3dNFS = ++12 db MP3 = + 14db standard
a. Sweep - b. LaCrescent MN
