The Harbal mastering software has been around for more than seven years now, and its first release version was reviewed by Martin Walker back in SOS March. After WaveLab, I have to have Harbal. The name is a short form for Harmonic Balance. It solves one of the most challenging phases of the mastering process.

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Notably missing from this view is the process of loudness compensation, which has been overlooked for the sake of clarity. Conclusions By coupling spectrum analysis with linear phase digital filtering Har-Bal provides the most powerful, yet functionally simple means of re-adjusting the spectral balance of sound recordings, be they original new masters, or re-masters of existing works.

It solves one of the most challenging phases of the mastering process. I know very little about sound, but I am interested in learning more and getting a home studio setup for music production.

You may need to use a subwoofer. You should get into the habit of taking any commercial song and studying them while these meters are running.

Will match your track to the perceived loudness of any commercial recording you input into Har-Bal. When you perform EQ on a typical equalizer or mixing desk you cannot make an impartial judgment about whether a particular EQ setting is good or not because it is generally not loudness compensated. This also ensures that very little distortion is introduced by dynamics processing. Take out your calculator and input Do not worry about peaks to the right masetring the 5k mark.

Mastering Tutorial – Har-Bal | The Scientific Audio Mastering Solution

You will find the differences obvious. Instead on manually trudging through harball entire time trace to find the times at where those peaks occur you would use our tool based on placing a threshold line on the peak trace. Har-Bal does so by measuring a loudness figure for the original recording based on an A-weighted sound power and adjusting the volume control on the filtered version so that the loudness figure of merit after filtering is the same as for the original.


The dynamics processing in Har-Bal is based entirely on the average level envelope that you maxtering in the time-line. Firstly, you do not need golden ears to judge where the problem areas of a particular mastsring lie as the spectrum measurement gives you an accurate indication of this. Harbl OS X I know very little about sound, but I am interested in learning more and getting a home studio setup for music production.

Secondly, a typical equalization filter, like those found in other systems, will have only a limited degree of flexibility i.

Product Information

A simplified view of the processes which Har-Bal utilizes in performing Harmonic Balancing masterijg shown in Figure 3. You can input this number as a negative into your limiter and your RMS level for your overall loudness will be What is Loudness Compensation Technology?

This material is free to copy, print and distribute freely. Those out of control bursts of sounds will show up as excessive peaks in the peak spectrum trace but not in the average trace as they occur rather infrequently. This instruction manual is designed to get you up and running and hopefully give you a superior understanding of the mastering process.

Too much in the low end will prevent you from increasing your overall volume. In the above example, to accurately judge the effect of the EQ change would require that you reduce the overall volume while boosting the mid-range but by how much? With the approach Har-Bal takes it is much less likely. Can you guess which one is which? I do all my mastering work in Sound Forge 6, and it would be a lot more convenient if a plug-in was available.

Har-Bal | The Scientific Audio Mastering Solution – The Scientific Audio Mastering Solution

Start typing and press Enter to search. So how does Har-Bal balancing handle this problem?

Upgrade from version 2. Your mastering chain should consist of the following: You may need to make small adjustments to the individual attack and release buttons for the first two bands. Without the taper it would sound too bright. But by selecting the time line in that manner and then controlling those errant peaks by highly selective filters that only act on the minimum amount of time mastring to fix the problem you end up with much better results.


In other words even though I am increasing the overall harbzl, I am still maintaining my listening level.

This ‘prevents’ louder frequencies from unduly overpowering softer ones. You need to highlight the wave file before doing this in Wavelab. So when you combine the effect of loudness sensitivity and equalization changes, how do you tell how much of the improvement was due to the equalization and how much was due to the overall increase in perceived loudness?

So much so that you might find that if you were to simply turn up the volume you may find that your mix sounds significantly better. Allow your song to play through completely to the end. We handle the problem by first analyzing the entire recording.

Mastering Tutorial

The program will then match the volume of the current file to the reference file based on your input criteria. Schematic representation of the functioning of Har-Bal. Adjust your high amstering filter between 40 and 60hz to get rid of low rumble Sweep back and forth until it sounds right.

When do you anticipate that a DirectX version of HarBal will be available? Limiter — Always use this and set the Out-Ceiling for For example, you might raise the mid-range by 6dB because it sounds better but do you know if this improvement is actually due to the equalization or just merely the fact that the effective loudness has increased by something less than 6dB?