9/5/2023 0 Comments Fabfilter timeless tutorialAfter the processing, the signal is encoded back into the standard stereo format. Once the signal is in M/S we can treat the sides (known as the difference) and the mid (known as the sum) separately. That is not to say that stereo wideners cannot be used on sound sources or entire mixes – it is simply a case of managing mono sources within a mix context and excessive use of wideners can actually play against you.Ī better approach is to use stereo wideners that use Mid/Side processing.īasically, the stereo sound is split into middle (M) and sides (S) using a process we call ‘Matrixing’. The problems associated with stereo wideners when used on stereo sources are that when summed to mono the stereo widening effect is lost and the sound comes across as just an echo albeit with a ton of phasing artifacts. This comes across as a single large stereo field of sound. The most common Haas effect technique is to create a copy of the audio you want to widen, pan each copy to the stereo field extremes (L and R) and apply a small delay to one side. In a nutshell: when one sound is followed by another with a delay time of approximately 40 ms or less the two sounds are perceived as a single sound. The Haas effect, also known as the precedence effect, is a psychoacoustical effect described in 1949 by Helmut Haas that pertain to the localisation of sound sources. Most stereo widening trickery incorporates the Haas Effect and the process we are going to explore is that of using a stereo delay to create width on a drum beat. There comes a point whereby too much widening will result in a skewed stereo image where the middle information is lost and the sides collapse. However, one of the problems associated with too much widening is that of stereo field collapse. The idea is to give the listener an immersive experience with sounds that seem to move in 3D rather than 2D. It seems that producers love to widen their mixes so as to afford a hyped stereo image. Stereo wideners are all the rage nowadays. Using Delay to Manipulate Stereo Width is a detailed video tutorial explaining how to use a delay effect to manipulate the stereo width of audio.
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