2. Transients and loudness: the cost of crushing
The relationship between punch and volume: why a kit with orderly transients gets louder, and how much compression to leave for mastering.
There’s a real tension at this stage and it’s worth naming: transients are what give punch, and they’re also what keeps the song from sounding loud. Understanding that trade-off is what lets you decide with judgment instead of compressing blindly.
The trade-off, explained
Why peaks limit the volume
Your master’s ceiling is the highest peak, and the highest peaks are drum hits. If the snare attack comes in 6 dB above the rest of the song, the limiter has to contain those 6 dB before it can raise anything.
Two paths:
- Leave the peaks intact: maximum punch, less final volume.
- Control them in the mix: a little less point, much more available volume.
In rock and metal the sweet spot is in the middle, and closer to the second than you’d like to admit.
Enough for the kit to move together and for the peaks not to run away, without killing the attack. It's the setting that best balances punch and available loudness.
A single crash 4 dB louder than everything else forces the limiter to work for that hit throughout the song. It's fixed for free by lowering its velocity in the MIDI, and that's the advantage of virtual drums.
Parallel helps loudness: it raises the body and tails without touching the original signal's peaks. It's just what you want before a limiter: more density with the same peaks.
Loudness: the numbers that matter
- −14 LUFS integrated is the reference for streaming platforms; for rock and metal, aim for −10 to −8 LUFS (some commercial records reach −6).
- True peak ceiling at −1 dBTP so the conversion to MP3/AAC doesn’t distort.
- What matters: since streaming normalizes by LUFS, fighting for volume doesn’t help. What you notice is the quality at a given volume, and that’s where a kit with orderly transients wins, because it reaches the same LUFS with less limiting.
How much to leave for mastering
It's the difference between delivering a mix with margin and one that's already squeezed. Lowering the main bus costs one fader move; recovering transients crushed in the mix is impossible.
What you deliver
- Main bus peaks around −6 dBFS, with no limiter on the bus.
- Drums with 2–4 dB of bus compression and whatever parallel you used.
- No stray hits sticking out.
- Just right on cymbal brightness.
- WAV 24-bit at 48 kHz.
What NOT to chase yet
Quick path: delivering masterable drums
Quick path
- Check the MIDI: lower the velocity of any hit that sticks out from the rest.
- Drum bus: 2–4 dB of compression with a medium-slow attack. Nothing more.
- Keep the parallel compression: it helps loudness without touching the peaks.
- No limiter on the drum bus or the main bus.
- Stay just right on cymbal brightness.
- Lower the main bus to peaks of −6 dBFS and export WAV 24/48.
Expected result
Expected result
Drums delivered with orderly transients and intact punch: no stray hits, moderate bus compression, the parallel adding density and enough headroom. And a clear idea that the state of your transients defines how far the master can go without crushing the song. Last step: the drums’ checklist.