Audacity Forum

RMS normalized to -18dbs then Normalized to -3.1. If I normalize any louder, your RMS Level will pass but you will fail the -3db max requirement. That's now how the suite is written. It's rumble filter (Low Rolloff) to keep metrobusses and trucks from affecting the work. Then RMS Normalize with the...

I'm in Los Angeles, Land of Fruits and Nuts, so my postings are generally behind the beat by about three to four hours. Many of the forum senior elves are in Britain, so their stuff can be nine hours ahead (of me).

Koz

That meets ACX Technical Conformance. Peaks quieter than 3dB, Noise quieter than -60dB and RMS (loudness) between -18dB and -23dB. If you knocked over the goldfish bowl in the middle of speaking, then yes, you'll need to go in and edit the noises and gaps. You're at the Human Quality Control step wh...

And another note for those who get this far, ACX has requirements for silence segments and Room Tone for submission and publication. Now you need to pay attention to them. http://www.acx.com/help/acx-audio-submission-requirements/201456300 https://blog.acx.com/2014/06/26/how-to-succeed-at-audiobook-...

Make sure you can get the same results I did. Just cut off the first second of Room Tone.

Koz

If you're playing along at home, I would apply all three steps including Low Rolloff that I left out. It's easier to keep consistent chapter to chapter if you do that.

Koz

OK. That will do it. I didn't need the first step because you have no rumble—which is suspicious...but OK. I applied Mastering steps two and three, RMS-Normalize and Limiter. I did cut off one of the three seconds of room tone you supplied at the beginning. Too much Room Tone isn't good, either. Two...

Here's the scratch test.

And that was the "busted" moment. It is possible to get a reasonable recording from your microphone, just not the way you've been using it.

Koz

I know you're asking your self why isn't this stuff more automatic. It is. That's how cellphones and almost all personal voice recorders and conference systems work. But nobody would confuse any of those things with good theater. ACX insists you create good theater.

Koz

Your voice during the test clip performance is very low which almost without question is causing the noise problems. To be clear, noise is pretty much always there, even in studios. It's your job to make your voice loud enough to be the dominant feature. In English, the ACX specification of -60dB n...