Q-Audio has released Stem Separator Pro for Windows, a fully offline, professional-grade AI stem separation application built for music producers, DJs, remixers, and audio engineers who need reliable, high-quality audio isolation without relying on cloud services or paid subscriptions.

They say:

Powered by Meta AI's Demucs engine — the state-of-the-art in music source separation — it splits any song into 4 or 6 individual stems: vocals, drums, bass, guitar, piano, and other instruments.

Features:

• Powered by Meta AI's Demucs engine.
• Easy Installation with all the models yet included.
• Real-time waveform player with yellow cursor tracking.
• Drag & Drop support.
• Process entire folders with the built-in batch mode.
• Detailed log panel showing inference progress.
• File List with multi-file management.
• Export your stems to WAV, FLAC, or MP3.
• Dark/Light theme with pink color palette.
• Status bar with detailed progress tracking.
• Real-time pipeline logging.
• Keyboard and mouse shortcuts.

Pricing & Availability

Stem Separator Pro is available for Windows and is free / donationware.

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Clearroom has released version 1.0 of Clearroom, a room and headphone calibration app for macOS with an AU / VST3 plugin and a system-wide audio driver.

Clearroom measures a room with any measurement microphone that has a calibration file, scores the measurement before it corrects anything, and shows one of four words: Full, Tone, Limited or Redo needed. On Redo needed it will not continue.

Correction aims at a target the user chooses, Harman by default, with ten intensities to audition. 782 headphone models are profiled and need no measurement. The plugin adds no latency at 48 kHz and an offline bounce with it loaded is identical to one without it.

Version 1.0 corrects magnitude; there is no phase correction and it is stereo only.

Pricing & Availability

Clearroom runs on macOS 12.3 and later on Apple Silicon and 10.15 and later on Intel.

Clearroom is a one-time purchase of $165 for one licence on two Macs, with a free 14-day trial of the full app at clearroom.studio. It is made by Rupendar Venkatesh, a mixing and mastering engineer from Chennai.

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Minimal Instruments has announced the releases of nagi, a desktop app for macOS, Windows and Linux that lets you design, audition and build VST3 and CLAP audio plugins by wiring nodes together.

Anyone who makes music has, at some point, thought "if only there were a plugin that did this." But try to build one yourself and the requirements pile up fast — signal-processing theory, C++ or Rust, plugin SDKs, GUI code, a build environment for each operating system — and the idea tends to stop right there.

nagi is a desktop app from Minimal Instruments for designing audio plugins with no-code and AI. It takes you from the first patch to a plugin file your DAW can load, all in a single window.

Key Features

• Design audio plugins by wiring nodes — no code required.
• Write real Faust when you need precision (full Faust standard library).
• Instant preview: hear the patch before you compile.
• Interface designer: knobs, sliders, meters, spectrum and envelope displays, filmstrips, keyboards, preset browsers.
• On-device AI assistant that drafts Faust DSP or GUI layouts.
• Build native VST3 and CLAP binaries straight from the app.
• Windows, Linux and macOS; build locally or in an isolated container.
• Projects are plain files on disk — no account needed to build.
• Free to use; nagi Pro is buy-once (no subscription, no expiry, up to 3 computers).

Patch it — the node editor

Drag oscillators, filters, dynamics and effects onto the canvas, connect them, and you have a signal chain. Reverb, compressor, chorus, flanger, de-esser, formant filter, stereo imager and more ship as ready-made nodes, so a working chain is minutes away. Audio, MIDI and parameter ports sit on one canvas, and graphs are saved as JSON, so they diff and version cleanly in Git.

Write it — the Faust DSP editor

The graph is a starting point, not a ceiling. When you need finer control, open main.dsp and write the signal processing in real Faust, with the full Faust standard library, syntax highlighting and inline diagnostics. Parameters are addressed by path, like /Synth/Envelope/Decay, and build settings live in the project as build-config.json.

Hear it — instant preview

Press play and hear the result right away, with no compile step in between. In sound design, a short loop between making and listening is the biggest advantage you can have.

Show it — the interface designer

Knobs, sliders, meters, spectrum and envelope displays, filmstrip animations, keyboards and preset browsers. Lay out the panel your users will actually touch on a real canvas, with every control bound to a real parameter. Per-widget ranges and response curves, and image-based custom skins, are supported too.

Ask for it — an AI assistant that runs locally

Describe what you want — "a delay that feels like this," "a panel for this synth" — and nagi drafts the Faust code or GUI layout for you. The model runs on your own computer, so your projects are never uploaded, and it keeps working offline.

Ship it — VST3 and CLAP builds

Build native plugins in both VST3 and CLAP formats from a single project, straight from the app, targeting Windows, Linux and macOS. Build locally with your own setup, or in an isolated container for reproducible output.

Your work stays yours

Projects are saved as ordinary files on your disk. There is no cloud lock-in, and you don't need to create an account to build.

Pricing

Downloading, patching and building with nagi is free. nagi Pro is an optional one-time upgrade ($99.00 after beta phase) that unlocks extra capabilities — no subscription, no expiry. One licence covers up to three computers.

For Beta phase, nagi Pro license is free, which means after Beta phase, the license will be terminated.

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YBK Audio has released Instrument Player, a standalone Windows app for playing your VST3 instruments without a DAW, project or timeline.

Features

• Standalone VST3 instrument player with no DAW required.
• Always-on MIDI capture of the last five minutes.
• Piano-roll editor with tempo grid, quantise, copy, paste and duplicate.
• Import and export standard .mid files, MIDI only.
• Chain VST3 effects after the instrument and search instruments with favourites.
• All MIDI inputs, hot-pluggable, plus computer keyboard input.
• Separate-process scanning, WASAPI shared or exclusive, DirectSound and Starter Synth.

MIDI Replay

MIDI Replay keeps the last five minutes of playing in memory automatically. Pull a phrase back, edit it in the piano roll, then export a standard .mid file for any DAW.

Pricing & Availability

Instrument Player is free through October 19, 2026, during the launch month. Licenses claimed during that period continue to work, and no card is required. From October 20, the one-time price is $10. It runs on Windows 10/11 (64-bit) and supports VST3.

Demo video

Introducing: Instrument Player by YBK Audio, a MIDI-recording standalone VST3 player

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Arvital Audio has updated AudioRoute to version 1.2.2, which now gives every app you capture its own level fader, so a mix of sources can be balanced before it reaches the recording.

AudioRoute captures system audio onto a DAW track, into any application that can record from an input device, or straight to a WAV file. It does not use a virtual cable or an aggregate device and does not change the output device, and because it taps the audio in parallel rather than in the playback path it adds no monitoring latency.

New in 1.2.2:

• Every app ticked in the Source picker now has its own fader. Record a call and a backing track together and set the balance at the source, rather than finding out afterwards that one of them buried the other. Once several apps are mixed into a single recording they cannot be separated again.
• Levels only ever turn a source down, never up, so balancing what you are recording cannot clip the result. Silence is the bottom of the fader rather than a separate mute that can disagree with it.
• The levels are shared across the plug-in, the menu-bar recorder and the "AudioRoute Input" device, because there is one capture running and one set of levels on it.
• A capture refused for a reason that will never change now stops retrying in the background instead of continuing for as long as the app is open.

Also new since the last release: the Source picker governs the "AudioRoute Input" device as well as the plug-in and the menu-bar recorder, so choosing Zoom and then recording through AudioRoute Input in Audacity, QuickTime or OBS gives you Zoom. When the apps you picked are not running, AudioRoute says so in the panel and on the menu-bar icon instead of handing over silence.

AudioRoute runs on macOS 14.2 or later (Apple Silicon and Intel) and Windows 10 or later including Windows on ARM, in VST3, Audio Unit and AAX formats plus a standalone application.

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AudioPrism 2.0 for Windows is now on the KVR Marketplace: a stem separation and MIDI export app with a built-in piano teacher.

AudioPrism splits any song you own into vocals, drums, bass, guitar, piano and other stems using Demucs, running entirely offline on your own NVIDIA GPU. Drop in a local file or paste a link and it pulls a fresh WAV straight into the separator, with no lossy MP3 step in between. Split stems can be exported as individual MIDI clips to drag straight into your DAW, and a WAV/MP3 converter is built in.

Included in the same purchase is KeyPrism, which turns any song into a falling-notes piano lesson: note names and fingering, 40–100% playback speed, A/B looping, hands-separate practice, per-stem mix faders, keyboard sizes from 25 to 88 keys, and a scored Game mode with combos and rankings. Every transcription carries a PLAYABLE % rating, so you know how reliable it is before you practice it.

Price: $79.99. AudioPrism is available for Windows 10/11 (64-bit) for $59.99 until October 31. An NVIDIA CUDA/RTX GPU is recommended for the fastest splits.

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Waveroom Mastering, the browser-based adaptive mastering service, has received a major update.

Here's what they say:

Waveroom starts by analyzing a track and creating an automatic master. The new Fine Tune panel lets users take that result further with hands-on control. The goal is to keep the convenience of automatic mastering while giving creators a more musical and intentional final say.

Fine Tune / Custom Master Controls

After mastering, eligible users can audition and adjust their result directly in the browser.

The panel includes:

• 5-band EQ with low-end, presence, and air control.
• Compressor controls including threshold, ratio, attack, release, knee, and dry/wet blend.
• Stereo image width adjustment with low-frequency protection.
• Saturation options including Soft, Velvet, Dense, and Tape-inspired color.
• Limiter input gain, ceiling, release, and live loudness / gain-reduction feedback.
• Easy Mode for faster Tone, Bass, Density, Space, and Level adjustments.
• Detail Mode for deeper control when needed.

The automatic master remains the starting point, so the controls are designed for refinement rather than requiring users to build a mastering chain from scratch. Custom results can be saved as WAV masters.

The processing and audition path run in the browser, and the Fine Tune interface is localized across Waveroom's supported languages.

Showcase

They have also opened the Waveroom Showcase, a music-promotion space for sharing finished work.

Creators can share a public YouTube or supported external link, allowing visitors to discover releases through artwork, title, and direct playback. The idea is to connect the workflow from analysis and mastering to comparison and finally promotion of the finished music.

Plans

Free — $0:

• First master for a new account.
• WAV download.
• Fine Tune panel preview.

10-Track Pass — $4.99:

• 10 successful masters.
• One-time payment with no subscription renewal.
• Credits remain available until used.
• Fine Tune controls included.
• Base WAV re-download available in My Library for up to 12 hours after saving.

Monthly Membership — $12/month:

• Unlimited mastering.
• Priority processing.
• Fine Tune controls included.
• Cancel anytime.

Annual Membership — $120/year:

• Unlimited mastering.
• Priority processing.
• Fine Tune controls included.
• Saves $24 per year compared with monthly billing.

Waveroom supports WAV, MP3, FLAC, and AIFF output options, with format and bit-depth choices for delivery, archiving, sharing, and DAW workflows.

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Impetus Software has released Impetus, a macOS application that turns an MPE keyboard into a DAW control surface.

The keyboard's Y-axis slide gesture becomes eight bankable mixer faders, and modifier keys switch those faders to pan, solo, mute and record arm. Transport, banking and a system-wide keyboard shortcut engine also run from the keys.

Impetus connects over the HUI and Mackie Control protocols, so it appears to the DAW as a control surface rather than a MIDI remote.

Features

• HUI and Mackie Control protocol support.
• Eight bankable faders driven by MPE slide (Y-axis).
• Modifier keys switch faders to pan, solo, mute and record arm.
• Full transport control — play, stop, record, fast-forward, rewind, loop and punch.
• Three fader modes: Absolute, Relative and Hybrid, plus a fine mode.
• System-wide keyboard shortcut and macro engine.
• MIDI learn for all controls and shortcut keys.
• Factory and user preset system.

Supported keyboards are the ROLI Seaboard (49-key), ROLI Seaboard M (24-key) and Keith McMillen Instruments K-Board Pro 4, plus other MPE keyboards with a Y-axis slide function.

Impetus has been tested with Pro Tools, Logic Pro, Cubase, Studio One, Reaper, Ableton Live, Digital Performer and the Fairlight page in DaVinci Resolve.

Pricing & Availability

Impetus is available now for $99, with an introductory price of $79 through October 8, 2026. A 14-day free trial is available with no credit card required. It requires macOS 13 or later on Apple Silicon.

Impetus faders, pans, banking, solo, mute, arm

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Limited Edition Audio has released VoxSplit Pro, a macOS tool for separating two overlapping voices from a single recording and reducing background noise and other non-dialogue sounds.

Developed by film sound designer Frédéric Le Louët, VoxSplit Pro lets dialogue editors work on each voice independently. For ADR preparation, this can help preserve one actor's overlapping performance while replacing the other actor's line. Results depend on the source recording.

Pricing & Availability

VoxSplit Pro is available at an introductory price of EUR 199 including VAT, with a regular price of EUR 249 including VAT. A 7-day trial is available.

Details:

• AAX AudioSuite for Pro Tools, plus VST3 and a standalone application.
• Apple Silicon and Intel Mac support.
• Local audio processing: recordings are not uploaded for separation.
• Standard, Precision and Rescue processing modes.
• VST3 and standalone use file import/export rather than real-time insert processing.
• Perpetual licence with PACE iLok USB or iLok Cloud activation.

Watch the detailed walkthrough

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Initial Audio has updated their AI MIDI generator Difro to version 1.2.0.

New features and Improvements:

• Added post generation modifiers. Gate, Arp and Rhythm. These apply algorithmic after effects to the notes.
• Dragged out or bookmarked MIDI files now get the Key and Scale saved in the file name.
• More readable files names for exported midi.
• Note lasso now works with any modifier key, hold shift or ctrl/cmd or alt while clicking and dragging to select multiple notes.
• Space bar starts/stops playback.
• Tab switches between prompt and generated MIDI views.
• Improved velocity editing in piano roll.
• Fixed ctrl/cmd + C, X, V, A, B not working in piano roll.
• Allow multiple plugin folders in plugin manager, rescan individual folders.
• "Add All" and "Remove All" button in the plugin manager to quickly add/remove every instrument in the picker.

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Ivosight has released version 2.4 of Soundop, a comprehensive Windows application for professional audio recording, editing, mixing, and mastering.

Changes in Soundop 2.4:

• Refined User Interface: Improved the visual organization of tracks and automation lanes to make track structure and relationships clearer.
• Improved Editor Layout: Adjusted the window layout of the Audio File Editor and Multitrack Editor, moving the scroll bar and time ruler to the top of the editor.
• Improved Audio Playback Performance: Improved the audio playback engine to provide better UI responsiveness when playing with CPU-intensive effects.
• Configurable Track Header: Improved the track header layout and added support for configuring visible controls.
• Improved Track Height Management: Improved track height management and added support for setting tracks to predefined heights.
• New Transport Bar: Added a Transport Bar below the timeline, combining the Transport, Cursor, and View/Selection panels.
• Improved Automation Lane Management: Changed automation lane management to automatically display all envelopes of a track or clip, with support for expanding envelopes into individual lanes for editing.
• Improved Clip Automation Editing: Removed the Clip Automation panel and enabled clip automation envelopes to be edited directly in the timeline.
• Configurable Mixer Panel: Added support for configuring visible blocks in the Mixer panel.
• Process Audio from the Project Panel: Added support for processing audio files with a processor directly from the Project panel.
• Global Loop Setting: Changed the loop implementation so that the loop setting is now global across all open projects.
• Improved Save Confirmation: Added Yes to All and No to All options when saving projects while closing multiple projects.
• Improved Recent Files: Recently closed files are now added to the top of the recent file list.
• Quick Access to Recent Files: Added commands to open the most recently opened audio file and Mixspace.
• Improved Send Creation: Changed the send creation workflow so the send button now opens a menu for directly selecting the output destination.
• Open Projects from the Browser: Added support for opening project files directly from the Browser panel.
• Custom Action Names: Added support for editing action names in the Action List to help identify actions with different settings.
• Bug Fixes and Refinements: Refined the user interface and fixed various bugs.

Additional Changes Since Version 2.3.1:

• Added support for pitch bend in audio files.
• Added automatic ducking of clips against tracks using gain envelopes.
• Added support for applying effects within range markers.
• Added options to automatically select additional overlapping and subsequent clips when dragging clips.
• Added an option to set the fade length for silence clips within a selected time range.
• Added an option to automatically sort the file list during batch file processing.
• Improved synchronization of the view and selection across selected audio files.
• Added waveform amplitude scale changes to navigation history.
• Added an option to switch between manual and automatic modes for synchronizing the view and selection across audio files.
• Fixed latency compensation for VST plugins with extremely high latency.

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Paddock IV has released a rebuilt song editor for Stage Mate, its web app for preparing chord charts, setlists, rehearsals and live performance.

The new editor is designed specifically for chord charts rather than treating a song as a single formatted text field. Lyrics can be edited as normal text while chords, section headings, performance instructions and vocal parts remain structured musical elements of the chart.

Musicians can type, select, copy, paste and undo across a complete song, then add and reposition chords above the lyric positions they describe. Section headings and performance instructions can be added as chart elements rather than maintained as special text or markup. Vocal-role highlighting can also be applied directly in the chart.

The update is available now in Stage Mate. Existing users will receive the new editor automatically:

• Solo: Free, with no credit card required.
• Duo: US$6 per month.
• Band: US$10 per month, covering the whole band and up to 10 synced devices.

Stage Mate is available at stagemate.app

Read about the rebuilt editor: The Word Processor for Chord Charts.

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Spongefork has announced ShadowTag 2.1, an update to its free audio metadata editor for macOS. Version 2.1 adds Find and Replace across a whole project, read-only MXF support through Apple's Pro Video Formats package, immediate loading for large playlists, and faster tag saves to large MP4 and M4A files.

Find And Replace

Find > Find and Replace opens a floating window that searches text across every playlist in a project, the current playlist, or a selection. A search can cover all metadata -- tags, custom tags, BEXT, and iXML text fields -- or only the fields the user picks, with Match Case, Whole Word, Regular Expression, and Ignore Accents options. Ignore Accents also treats full-width and half-width characters and curly and straight quotes as the same, variants that turn up in tags written by Windows tools and older Japanese software.

Results list every file and field that would change, with old and new values side by side and the playlists each file belongs to, before anything is written. Replace All applies the full set; Replace Selected applies only the rows the user chooses. The window stays open so several searches can be tried in turn, and a replace undoes in a single step. BEXT dates, times, UMID, and loudness values are left out of the default All Metadata scope so a broad replace cannot break their format, though they can still be targeted by name. Replacements become unsaved edits like any other change in ShadowTag.

MXF And Protected Files

With Apple's free Pro Video Formats package installed, ShadowTag opens MXF files read-only: audio playback, waveforms, technical details, and the container's own metadata, including vendor, application, operational pattern, spoken language, and creation date.

Files protected by Apple's DRM, such as m4b and m4v purchases, are now labeled Protected and say they cannot be played, instead of reporting a generic playback error.

Large Playlists And Everyday Work

Large playlists now appear immediately, each row showing its number and filename first while the remaining columns fill in behind, and selecting a large playlist no longer re-reads every file's bookmark. Tag saves to large MP4 and M4A files no longer rewrite the whole file on disk.

The File tab's media preview now sits on a draggable divider whose height is saved with the workspace. The Rename to UCS Convention dialog lists every file in the playlist with its status and counts of what will be renamed, what is already named, and what has no category. The window for files changed on disk now shows thumbnails, playlist membership, and paths. Each of these lists offers Show in Finder from its contextual menu.

Version 2.1 also restores toolbar and menu icons that were blank on older macOS versions, handles audio files with unreadable sections, reports the specific reason when a file cannot be saved, and fixes memory leaks.

Availability & Pricing

ShadowTag's playback, organization, and analysis features -- including full-text search, Find and Replace, Apple Music library import, and on-device batch analysis for loudness, BPM, musical key, and UCS category detection -- remain free, with no time limit or file-count restriction.

ShadowTag Pro, a one-time $99 purchase that covers every future version, adds writing metadata to files, batch audio conversion, CSV export, renaming files to the UCS filename convention, and working with multiple projects.

ShadowTag 2.1 requires macOS 14.6 or later and is available in 11 languages.

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Arvital Audio has updated AudioRoute to v1.2.0, adding per-app capture - instead of recording everything the computer is playing, you pick the applications you want and AudioRoute records only those.

How it works

There is a Source row in the tray panel, and the same picker inside the plug-in. It has two tabs: System audio, which is what AudioRoute has always done, and Chosen apps. The list puts what is playing right now at the top, then everything else that is running, each row with its icon. Tick one app or several and click Done:

• Apps are remembered by identity rather than by process, so a choice survives quitting and reopening them. You can tick Zoom before the call starts.
• Audio from a helper process is credited to the app you recognise. Chrome, Discord and Slack all play through helpers with names of their own; picking the app captures the whole family.
• The choice is shared between the tray app and the plug-in. Change it in one and the other follows within about a second.
• If an app you picked is not running when you start, the Source row names it, rather than leaving you to find out afterwards that part of what you chose is missing from the take.
• On macOS each chosen app gets its own tap inside a single aggregate device, so they stay sample locked. On Windows each gets its own loopback client and AudioRoute mixes them.
• Recording the whole system mix is unchanged, including the multichannel path that takes the exact stereo pair without resampling it.

AudioRoute is a one-time purchase with a 14-day trial. It runs on macOS 14.2 or later and Windows 10 or later, as a menu bar / tray app and as VST3, AU and AAX.

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