Join Brian Lee White for an in-depth discussion in this video Utilizing compression ratios, part of Audio Foundations: Compression and Dynamic Processing.
We now know that a compressor's threshold determines the point at which the…compressor activates, but how much the signal is actually compressed is…controlled by a parameter called ratio.…A compressor's ratio control determines how much any signal over the threshold…is attenuated and is generally expressed as a larger number over one, for example, 4:1.…Many times compressors will express the threshold and ratio relationship using…an X-Y graph called a transfer curve.…A transfer curve graph plots the signal's input into the compressor on the X…axis and the signal's output on the Y axis, so you can easily trace different…scenarios just by following the line.…
The kink in the line, called the knee, is the point at which the compressor's…response becomes nonlinear.…That is to say, the input and the output do not match because the compressor is…now reducing the gain of any signals over the threshold by the amount defined by the ratio.…A ratio of 1:1 means no compression takes place, and lower ratios may be barely visible.…
AuthorBrian Lee White
- Measuring amplitude
- Understanding dynamic range
- Introducing compressors
- Utilizing compression ratios
- Applying attack and release
- Evening out a vocal performance with compression
- Adding punch and sustain to drums
- Using compression presets intelligently
- How to record with compression
- Solving common mix problems with limiters
- De-essing a vocal track
- Using gates and expanders
- Controlling frequency content with multiband compressors
- Using sidechains creatively
- Keying gates and compressors
- Fixing overcompressed tracks
- Using mixbus compression
- Working with parallel compression
- Compression and limiting best practices
Skill Level Intermediate
Q: This course was updated on 1/10/2014. What changed?
A: The Get in the Mix videos have been updated to the most recent version of Pro Tools. Also, the course now includes free Get in the Mix sessions for two more DAWs: Logic Pro X and Pro Tools 11.
Audio Foundations: EQ and Filterswith Brian Lee White2h 28m Intermediate
Music Production Secrets: Larry Crane on Mixingwith Larry Crane1h 51m Intermediate
1. Audio Dynamics
4. Special Dynamics Processors
5. Advanced Topics
An Interview with the Author
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