"AI Mastering" update

AI Mastering has been updated.

Added oversampling function

Oversampling function was added. Using oversampling reduces the separation between "True Peak" and "Peak". However, the processing time will be delayed. Setting Oversampling to 1x will result in the same behavior as before.

If you are concerned about True Peak, please try it.

Oversampling Settings

"Limiter error spectrogram" added

"Limiter error spectrogram" is visualized in spectrogram form at which timing and which band affects the limiter error. I think it will be easier to reduce the limiter error when using this.

Limiting Error Spectrogram

Since the relative value is displayed, you do not have to worry if "Limiter error" is small in the first place. In areas where there is no original sound such as super high frequency range and silent part, the color tends to become thicker overall, but there is no problem if it does not matter if you listen.

What is important is the dense part of the color that exists in the dark part. This image contains many vertical lines below 15 kHz. This line is a distortion that occurred without being able to completely compress the peak of strong attack sound.

Please refer to the following article for how to reduce the limiter error.

What is limiter error?

Add Dissonance Indicator

Dissonance index is an indicator of dissonance degree of sound. The Dissonance index tends to become small as there are many sounds whose spectrum is densely concentrated in the frequency direction, such as percussion instruments and noise, and become smaller as there are many pitches with pitches such as piano and strings.

Dissonance Index of Sound

Speed up audio analysis

In AI Mastering, after uploading audio, mastering starts when audio analysis is completed. As we speed up the analysis of the audio, mastering should start faster.

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