[Brett Sherman] “I’m not sure there’s a real technical difference between compression and level riding.”
Actually there’s a ton of difference and you can hear it if you A/B the two. Compression essentially “squeezes” the dynamics by a ratio for levels over a threshold point. At an extreme ratio with an aggressive input level and threshold, you effectively hit a brickwall and lose all the “openness” of the sound. Riding the level simply adjusts the volume down when it is too high, preserving that “openness”.
For example, Waves offers both Vocal Rider and MV2 for the similar application of controlling dialogue fluctuation. MV2 compresses top and bottom. The results sound quite different. Sometimes one is preferable, sometimes the other.
– Oliver
Oliver Peters – oliverpeters.com