Howtosignalprocessing
- How does a compressor affect the dynamic range of a signal?
- How do you explain compressor ratio?
- How do I reduce dynamic range compression?
- Should I use dynamic range compression?
How does a compressor affect the dynamic range of a signal?
A compressor is used to reduce a signal's dynamic range—that is, to reduce the difference in level between the loudest and quietest parts of an audio signal. Compression is commonly used to attenuate loud transient peaks (e.g., when a singer suddenly belts out a high note) to help maintain a consistent level.
How do you explain compressor ratio?
The compression ratio determines how much gain reduction the compressor applies when the signal passes a threshold level. For example, a ratio of 4:1 means that for every 4 dB the signal rises above the threshold, the compressor will increase the output by 1 dB.
How do I reduce dynamic range compression?
Two methods of dynamic range compression
There are two types of compression, downward and upward. Both downward and upward compression reduce the dynamic range of an audio signal. Downward compression reduces the volume of loud sounds above a certain threshold. The quiet sounds below the threshold remain unaffected.
Should I use dynamic range compression?
Quick Tip: For Best Audio, Turn OFF Dynamic Range Compression and Loudness Controls. Many Audio Video Receivers (AVRs), and some Source devices such as movie disc players, will include Digital Audio processing options for Dynamic Range Compression or Loudness Adjustment. Should you use them? In a word, No!
