ISP Technologies has once again made a significant advancement in adaptive noise reduction technology with their latest innovation: the Decimator X. This new development has been recognized with a US patent (US Patent 11,641,183), and other foreign patents are pending.
Traditional noise reduction systems, like noise gates and downward expanders, usually have a fixed release time. Some systems allow users to adjust the release time, but this creates a tradeoff. Fast staccato notes need a quick release to avoid audible noise, known as "breathing," which happens after each note as the expander releases. However, long sustained notes, typical in jazz or blues, need a slower release. A fast release with sustained notes results in an unpleasant modulation sound as the notes decay.
The Decimator X Technology solves these problems with a new approach to adaptive dynamics. Building on previous patents, this technology further enhances the adaptive release time, eliminating modulation with slow-decaying notes and offering great transparency.
The heart of the Decimator X is the Integration Release Window. This innovation allows for a quick response to staccato notes while eliminating choppy modulation with slow-decaying notes. The Integration Release Window holds a slow release until the note's decay exceeds a certain decibel threshold. By setting this threshold higher than the ripple of the fastest release response, the release only tracks the negative peaks of the decaying audio envelope.
This Integration Release Window adjusts dynamically as the note decays. As the signal decreases, the release window adapts, ensuring the release time matches the signal's characteristics. This adaptive behavior removes any unwanted modulation, providing the smoothest and most transparent release response possible. The result is a noise reduction system that is highly responsive and musical, allowing every note to decay naturally without unwanted noise.
This technology is backed by US Patent 11,641,183, which covers the unique aspects of the Integration Release Window. This patent secures ISP Technologies' innovation and sets a new standard in the noise reduction industry. Pending foreign patents highlight the global significance of this breakthrough.
The diagram below shows how the Adaptive Release works with the Integration Release Window, demonstrating the smooth transition and elimination of unwanted noise.
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