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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Mastering Tutorial

This point is clearly illustrated in Figure 11, which shows the difference between envelope detection used traditionally and in Har-Bal.

It is realized as a log normal random deviate applied to harabl unity gain all pass response with the variance of the deviate tapering at higher frequencies to add warmth. 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. Notably missing from this view is the process of loudness compensation, which has been overlooked masstering the sake of clarity.

In this way the you can be sure that the differences you hear are due to the change in spectral balance and not the change in volume. The conventional approach is multiband compression, for which we have a disliking, mainly because to our mind it seems like a poor match to the problem at hand. The dynamics processing in Har-Bal is based entirely on the average level envelope that you see in the time-line. I know there are a few mastering engineers out there that hate the loudness war rightfully so happening with certain types of music.

Harbal: My Second Right Arm!

As such the gain change that tracks the music is in sync and symmetrical about the content. The effect the new Air has on the spectrum is actually rather small when used modestly. By that I mean with a normal compressor you would typically have a fast attack time and slow release which means that the gain quickly drops at the start of a transient and slowly rises at the tail after the transient.


I know very little about sound, but I am interested in learning more and getting a home studio setup for music production. And if you like, filter your file to match the reference.

Har-Bal principally addresses the issue of equalization in a newer way. 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. With the approach Har-Bal takes it is much less likely.

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.

You may need to use a subwoofer. Limiter — Always use this and set the Out-Ceiling for Too much in the low end mastwring prevent you from increasing your overall volume.

Users of the software report that this new process has demonstrated itself time after time in producing a harmonically balanced sound from one that was wanting. Remember with RMS levels the lower the number the louder the song You can input this number as a negative into your limiter and your RMS level for your overall loudness will be Getting rid of peaks yellow line and filling holes green line in the spectrum is the real magic of Har-Bal and prevents your compressor from working too hard.

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Adjust your high pass filter between 40 and 60hz to get rid of low rumble Sweep back and forth until it sounds right. Three meters you should always have open are below: Can you see why? Earle, another top flight mastering engineer from Atlanta, also contributes to the testing and development. Allow your song to play through completely to the end.

You can also download the. Har-Bal Air as it is now has been replaced with a more powerful and natural sounding Masterihg zone ambiance process.

Calling it just an equalizer diminishes what it can accomplish. You will always need the Limiter. To get back to Left and right we use the following harba, I do all my mastering work in Sound Forge 6, and it would be a lot more convenient if a plug-in was available.

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

Apple OS X 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? You will discover on a daily basis the real concept of mastering and the real reason why there are no perfect settings haral can be used with every song.

Harbal is a tool. So the level of the Side component relative the Mid component gives an indication of the stereo spread of your mix. The following is a mastering tutorial explaining many tips, tricks and audio mastering secrets.