I’ve always had the impression that my exported audio mixdowns sound just a little worse than the project playling live in Cubase. I’m not sure why this would be true, especially since many of my plugins offer the ability to use up to 8x oversampling on offline render and are using no oversampling at all in live mode.
So I never tried this before today, but I was doing a little cleanup on a 44.1khz project and I thought to myself, why not render it at 96kHz or at least 88.2, and see what happens. So I rendered it once at 44.1 and then a second time at 88.2 and a third time at 96.
First off, it works. I was a little surprised. Since the last time I thought about rendering at a different bitrate, I converted the whole project first and that was a disaster of ASIO overloading.
Second, the audio output was different in one way I could easily identify: the higher bitrate renders blew through the brickwall limite by a full dB. The 44.1 render peaked, as programmed at -0.3dB. The 88.2 overshot and peaked at +0.9dB. [Just found the intersample peak detection… all good here.] Aside from that, there may have been subtle differences in the audio, but they were pretty imperceptible.
Could someone tell me what the benefits/drawbacks are for rendering a project at 2x the project’s bitrate or higher?
If there are benefits, do I need to do anything special with the 88.2/32 file to convert it to 44.1/16 for CD or MP3?