AI-Powered Drum Stem Separation Software

"I want to extract only the kick drum from a full stereo drum track."

"I want to fine-tune a 2-mix stereo drum take recorded on an electronic drum kit."

Dr splitter CMT1 is a local AI-driven drum stem separation software developed to turn these exact dreams of creators and drummers into reality.

By utilizing advanced AI models, it disassembles complex, mixed drum tracks into the following 5 independent stems:

Dr bass (Bass drum / Kick)

Dr snare (Snare drum)

Dr tams (Toms)

Dr cymbals (Cymbals & Hi-hats)

Others (Non-drum instruments & full backing track)

 Key Use Cases

① For Drummers: Learning, Practicing, and Transcribing

You can solo or mute specific parts of the drum kit from your favorite songs. This makes it incredibly easy to listen to and practice hidden details, such as subtle ghost notes on the snare or complex cymbal combinations.

② For Producers: Re-mixing "2-Mix" Stereo Electronic Drum Tracks

If you have a drum take that was recorded as a single stereo track (2-mix) from an electronic drum kit, you can now separate it back into individual components. This allows you to perform tasks that previously required multitrack recording—like EQing only the low-end of the kick or adding reverb exclusively to the snare—directly inside your DAW.

 Important Notice Regarding the Beta Release

Please note that this software is currently under active development and is being released as a "Beta" version.

About Audio Separation Accuracy:

Due to the inherent characteristics of the AI models used, the separation quality heavily depends on the mix status of the input source (e.g., the intensity of effects, bleed between instruments, and audio degradation). In some cases, significant errors or unnatural sound coloration (such as artifacts, phase issues, or a "thin" sound) may occur.

We cannot guarantee 100% perfect separation for every audio source. We highly appreciate your understanding of these limitations as you use this tool for testing and feedback.

 System Requirements

Supported OS: Windows (macOS is currently not supported)

Processor: Intel Core i5-8400 or equivalent/higher 

RAM: 8GB or more

Storage: 800MB or more of free space (SSD highly recommended)

※Due to the high CPU processing load, the drum separation process may take some time depending on your PC configuration.

 Required Files

For the application to run, the bundled onnxruntime.dll and the AI model files must reside in the same folder as the .exe file.

[Folder Structure]

 Your Install Directory/

 ├──  Dr Splitter CMT1.exe             (Application executable)

 ├──  onnxruntime.dll                   (Required runtime library)

 ├──  onnxruntime_providers_shared.dll  (Required provider library)

 ├──  demucs.onnx                       (AI Model file)

 └──  drum_separator.onnx              (AI Model file)

※Please make sure to read the user manuals (available in both English and Japanese) enclosed in the package before running the software.

 Windows Security Warning (SmartScreen)

When launching the software for the first time, you may see a blue warning screen saying, "Windows protected your PC." This is a standard Windows warning for newly released, independent software, and our program is completely safe.

To run the application, simply click "More info" on the warning screen, and then click the "Run anyway" button.

[Important Notice]

This plug-in is available in VST3 format only. Whilst using the trial version, periods of silence will be inserted at regular intervals.

While it is compatible with most VST3-supported DAWs, we highly recommend downloading the Free Trial Version to ensure compatibility with your system before making a purchase.

Two Legends, Reimagined into One Definitive Compressor

AP COMP1 delivers the most natural yet powerful analog character available in a modern compressor plug-in.

It is a one-of-a-kind hybrid compressor that bridges the gap between two legendary hardware units with completely different characteristics: the iconic LA-3A solid-state optical compressor and the British classic Pye compressor, known for its exceptional mix-bus capabilities.

Powered by advanced custom DSP technology, AP COMP1 captures the incredibly smooth, fast program-dependent response and seamless gain reduction of the LA-3A, while inheriting the outstanding transparency, bite, and pristine note articulation of the vintage Pye. The result is a unique powerhouse that combines an aggressive, punchy attitude with natural, transparent warmth.

Dial in Rich Low-End Textures with the "RED" Control

To push your tracks even further, AP COMP1 features the RED knob—a specialized saturation circuit designed to add thick, rich analog harmonic warmth to your low-mids. By focusing the saturation strictly between 200 Hz and 500 Hz, it injects a distinctive and cohesive low-mid texture without muddying your mix. It also features a dedicated ON/OFF switch for instant A/B comparison.

Effortless, Intuitive 4-Control Workflow

No manuals required. Achieve crystal-clear, punchy, and fast compression in seconds with these simple yet powerful controls:

Gain: Makeup gain to restore level.

Threshold: Adjusts the point where compression begins.

Ratio: Selectable compression ratios to fit any material ($1:1, 2:1, 3:1, 4:1, 5:1, 8:1, 20:1$).

Red: Controls the amount of harmonic saturation in the 200 Hz–500 Hz range.

Red Standby Switch: Toggles the RED saturation circuit on or off.

By introducing selectable Ratios (a feature not found on the original LA-3A) while keeping the Attack and Release program-dependent/fixed, we have designed a streamlined, highly intuitive tool capable of everything from subtle leveling to extreme limiting and aggressive character shaping.

Bring bold, professional-grade transformation to your tracks with AP COMP1.

[Important Notice]

This plug-in is available in VST3 format only.

Complete Mastering Control: A Smart Maximizer with Integrated LUFS Metering

True to its name, Integral A25 is a 100% free mastering plug-in that integrates a powerful brickwall maximizer with essential LUFS metering—a must-have for modern loudness analysis.

Featuring a sleek, boutique-inspired interface with a pop aesthetic, Integral A25 is meticulously designed to maximize meter visibility. The controls remain remarkably streamlined and intuitive, making it a powerful yet accessible tool for beginners and seasoned producers alike.

Clean and Intuitive Controls

Threshold: Drives the input level to compress dynamic range and boost average loudness.

Ceiling: Sets the absolute peak output level.

Release: Adjusts the recovery time after threshold compression.

Advanced Dither Section

Tailor your master to any distribution format or playback medium with the built-in dither options:

Bit Depth: Selectable between 8-bit, 16-bit, 20-bit, or 24-bit.

Mode Selection: Choose between Analog or Digital dithering characteristics.

Precision LUFS Metering Section (with Reset button)

Momentary Max: Displays the maximum loudness level captured over a short 400ms window.

Short-term: Shows the rolling average loudness over a 3-second window.

Integrated: Calculates the overall average loudness across the entire playback duration.

Why "Integral" Matters in Modern Mastering

Despite how crucial LUFS metering has become in the modern music industry, many DAWs still lack comprehensive built-in loudness tools out of the box, often forcing producers to rely on third-party add-ons.

Since a maximizer is almost always placed at the very end of your stereo master bus, Integral A25 solves this friction perfectly. It allows you to dial in your final loudness and constantly monitor your true loudness targets within a single, unified interface.

In today's streaming-dominated landscape, automated loudness normalization has seemingly brought an end to the "loudness wars"—but our pursuit of impactful, competitive masters is far from over. Let Integral A25 be the ultimate, reliable weapon in your music production arsenal.