![]() ![]() To recap, let's consider the following points: Needless to say, upward compression is nowhere near as popular as “downward” compression but can certainly be used as another tool in the audio engineer's toolbox. Uncovering nuanced information in an audio signal.Maintaining a more consistent level across the entirety of the audio signal/track.That being said, upward compression works very well in achieving the following: However, it does restrict the use of upward compression when it comes to taming transients, adjusting peaks, reducing the potential for overloading, de-essing applications. ![]() This, of course, makes the “loud” parts of a signal sound more natural. The major difference is that upward compression doesn't attenuate peaks. Upward compression is used to achieve many of the same results as “downward” compression, only in a slightly different way. These applications include, but are not limited to, the following:įabFilter is featured in My New Microphone's Top Best Audio Plugin (VST/AU/AAX) Brands In The World. We'll get to that in a moment.Ĭompression has a wide variety of applications in audio mixing/production. However, as we've touched on briefly, this is not the case with upward compression. When the signal is “loud”, the compressor attenuates it by a set ratio, and when the signal is “quiet”, the compressor outputs it without any attenuation. The difference between these “loud” and “quiet” parts is dependent on if the signal is above or below a set threshold amplitude, respectively. This effectively compresses/reduces the dynamic range of the signal passing through the compressor. Typical compressors will effectively attenuate the output of the loudest parts of a signal while allowing the quieter parts to pass at full volume. Compression does so by attenuating the signal amplitude above a set threshold point. What is dynamic range compression? Dynamic range compression is the process of reducing the dynamic range of an audio signal (the difference in amplitude between the highest and lowest points). Related article: Top 11 Best Compression Tips For Mixing (Overall)Ī Brief Discussion Of Dynamic Range Compressionīefore we get to the specifics of upward compression, let's get a general understanding of dynamic range compression as a whole. In this article, we'll take a closer look at upward compression to better understand the process and how it can be used to our benefit (or dismay). Upward compression is available in digital plugins and via parallel compression with hardware or software. What is upward compression? Upward compression is a type of dynamic range compression that boosts the amplitude of an audio signal below a certain threshold while maintaining the amplitude above the threshold. While studying dynamic range compression on its own or looking for experimental audio processing techniques, you may have come across the term “upward compression”. ![]()
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