Hello. I have been using Vegas Pro for several years. I have audio engineering and mastering experience.
Probably everyone here knows that "Zero dB" is the maximum level of digital audio. A "hot" mix on CD or other digital audio used to be "competitive" the closer it got to 0dB.
Now the streaming services want audio to hit a maximum peak of -0.5 db.
I am trying several methods to achieve a brickwall limit of -0.5 dB on my rendered videos.
Sometimes I just drop the Vegas input faders to -0.5 dB.
Sometimes I use a brickwall limiter. I have several pro plugin limiters, besides the ones that are included in Vegas Pro.
When I am monitoring the sound and the meters, prior to rendering, the meters are all showing -0.5dB as the absolute PEAK. Everything looks good. I render. Then when I take that rendered video and put it into a new Vegas Pro project, my minus zero dB has been boosted up to Zero dB.
It doesn't matter whether I put the limiter, or the reduced fader levels at the input channel, or in the Master buss. It always shows perfect as I am monitoring it, and the limiter peak indicates a solid Minus zero point 5 dB. Then I play back the rendered file and it is back to ZERO dB.
This is important, because the streaming services have automation that looks for any levels that peak above -0.5dB, and if they find any, they REDUCE the level of your audio FOR YOU. They are looking to make everything sound the same. I want to have control over the level of the sound in my productions, and not hand it over to the streaming service A.I.
I have very good plugins and also hardware limiters. I just don't understand why VEGAS is showing one metering level when Editing and preparing for rendering, and then it all goes out the window on the finished, rendered product. What's up with that? I thought this was supposed to be a "professional" video and audio product. If you can't rely on the meters, what is the answer?
Is there some kind of "autocorrection" taking place, trying to maximize the volume? If so, I don't want it. I'm using Vegas 20.0, build 411. I have a very robust Video and Audio PC setup, using a Presonus Studio 24C audio interface. I have used the Brainworx True Peak Limiter, as well as the Vegas ExpressFX Dynamics VST limiters. The limiter settings are consistent with brickwall results, but the videos always play back at full ZERO dB after rendering at -0.5dB.
Any help in getting precision audio level results would be appreciated.