Mastering

The Algorithm

Our exclusive algorithm doesn't exist in any hardware nor software plug-in. It features a dynamically controlled harmonic enhancer feeding a 32 bands de-expander. The last stage ...

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Good Mastering Practices

The number of bits determines the description resolution for each sample. A 16-bit signal is described according to 65 536 (2 ^ 16) values. This allows a theoretical 96 dB signal-to-noise ratio.

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Equal Loudness Contour

An equal-loudness contour is a measure of sound pressure (dB SPL), over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones.

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A perceptual approach on clipping and saturation

This article is about the analysis of the most common form of nonlinearities and distortions in the acoustical field. Both negative aspects and useful application will be shown.

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State variable changes to avoid non computational issues

This paper is about the numerical simulation of nonlinear analog circuits with "switch" components, such as diodes.

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A complete model of a tube amplifier stage

In this note we are going to build a mathematical model of a tube amplifier stage; as an example, a common cathode triode amplifier will be examined, but the exposed method can be applied to every other tube amplifier.

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Sampling Theory For Digital Audio

While this article by Dan Lavry offers a general explanation of sampling, the author's motivation is to help dispel the wide spread misconceptions regarding sampling of audio at a rate of 192KHz.

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On-line Mastering Services Shootout!

From SOS

A new business model based around the Internet promises to make professional mastering more convenient.

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Implementing Loudness Models

In the fiels of psychoacoustic analysis the goal is to construct a transformation that will map a time waveform into adomain that best captures the response of the human perceiving model

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Modeling the relation between the intensity just-noticeable difference and loudness for pure tones and wideband noise

A classical problem in auditory theory is the relation between the loudness and the intensity just-noticeable difference.

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Algorithms to measure audio programme loudness and true-peak audio level

This Recommendation specifies audio measurement algorithms for the purpose of determining subjectiveness, and true-peak signal level.

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Comparison Of Interpolation Algorithms

This paper tries to analyze the most popular interpolation methods.

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Video

Multiband De-Expander at Work

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MaximalSound 2 at Work

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Processors by Transfer Curves

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Compressor vs De-Expander

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Digital Overload

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The Phase Matters

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4 Gain Reduction Strategies

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All Limters Aren't Equal

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