I’m having difficulty re-encoding a DTS audio track. Quick overview of process:
- Rip the source m2ts file.
- Extract the .dtshd file.
- Demux the .dtshd file into 7 mono WAV files.
- Edit the video/audio for the film in Adobe Premiere.
- Export 7 mono WAV files.
The goal, obviously, is to do as little damage to the original DTS mix as possible. And up to this point everything seems to be working just fine. Audio quality is consistent throughout each stage of the process.
But I then re-encode the audio using the DTS-HD Master Audio Suite and the resulting file has a massive loss of gain/volume, to the point where the resulting file is virtually unusable for many people. (The audio is still all there: If I play it through my surround sound system I’m able to crank the volume up, with no apparent loss in quality, to the point where it’s audible again. But for many computer/speaker setups we’ve found that people literally can’t crank the volume high enough to have an acceptable experience.)
I’ve tried all manner of troubleshooting, but nothing seems to have any effect on this audio loss and I’m out of ideas. It feels as if I’m taking the same sound out and then putting the same sound back in, so I should get the same result in the final DTS file. But that’s not happening for some reason. Really hoping someone with expertise will be able to tell me what I’m doing wrong.
My default settings for the DTS encode:
- DTS-HD Master Audio
- 6.1 Discrete
- Sample Rate: 48000 Hz
- Dialog Normalization: -31 dBFS (No Attenuation)
- Core Bit Rate: 1509 kbps
- TC Frame Rate: 23.796