We saw in many reviews that this kind of mastering move flies in the face of conventional wisdom that bass should be mono. This means that if the Master Assistant analyzes a user's track and measures that the bass is very mono, it will set the Imager to boost the width of the low end. While you can see that the targets are more narrow below 120 Hz, none of the targets are completely mono in the bass region. Last, it's notable how narrow the bass bands are across genres. When the playback is also loudness normalized like on almost all streaming services, these more narrow masters may be louder on mono systems. While a narrow master may sound less impressive on stereo speakers or headphones, it's important to note that a lot of people will be listening on mono systems like phones or bluetooth speakers. The chart-topping songs in this genre tended to heavily focus on the kick, bass, snare, hi hats, and vocals coming straight down the middle of the mix. The Rap and R&B genres in particular are the most narrow. Next, it's interesting to see which genres are more mono-focused. Because of this, we developed the new Cinematic target by analyzing the scores of the highest grossing box office movies. During beta testing, we heard from many users that none of the width matching targets were appropriate for the film scores they were working on. There are a couple interesting things to observe:įirst is the width of the Cinematic target, which is far more wide than any of the musical genres. The four bands have the preset crossovers at 120 Hz, 2 kHz, and 10 kHz. The Y-axis is the mid-to-side-ratio, so a higher value means more mono. While this overview should hopefully give a good insight into the tech here, any scientifically-minded readers should definitely go check out our paper that was published in the recent International Conference on Digital Audio Effects. The target can be any reference audio file on the user's computer, or one of our pre-made genre targets, which were derived from analyzing the latest chart-topping hits. By measuring the microdynamics of the source and knowing the microdynamics of the target, the Impact module can be set to match the source to the target. Since the Impact module is multiband, the auto-gain ensures that each band stays level and the tonal balance of the signal is not significantly adjusted.įinally, this new module allows the Master Assistant to perform a groundbreaking multiband microdynamics match between a user's audio and a target. This is paired with a powerful auto-gain that combines static and dynamic balancing of output to match the input. This enables a more intuitive control over the expansion or compression of the dynamic range of the signal in each band. The new processing that powers the Impact module directly adjusts that relative measurement of microdynamics via a single user-facing parameter. By using a ratio, this relative measurement is unaffected by the macrodynamic changes in loudness between various sections of a song. This measurement is defined by the ratio between a short and long term amplitude envelope. Our new processor builds upon research into perceived measures of microdynamics. Studies have shown that "Loudness Dynamic Range" (LDR) matches well with how humans perceive microdynamics. Records with high levels of microdynamics will be perceived as "punchy" or "snappy." Microdynamics, on the other hand, are the short term changes in loudness between the transient and sustain of a note or drum hit. The term "microdynamics" is relatively new in the audio engineering vocabulary, so it's worth defining: Macrodynamics refer to loudness changes over a long time-scale, like the relative volume of a verse to a chorus.
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