How Phantom compares
Start with the task: watching meters during playback, comparing rendered mixes, or checking a folder of stems. Phantom is useful when you want file measurements available to your assistant or a repeatable CLI workflow.
Choose by workflow
| You need to | Where Phantom fits |
|---|---|
| Compare renders | Measure loudness, spectrum, dynamics, stereo, and phase; compare a reference or profile. |
| Inspect a stem set | Batch diagnostics cover up to 50 files. Masking analysis ranks overlap between up to 20 stems. |
| Watch meters during playback | Use a DAW metering plugin. Phantom Studio is still in development; its snapshot reader requires a separate producer. |
| Try a processing change | Optional extras provide file processing and reference matching. Measure and audition the output. |
| Control a session through an assistant | Configure a separate REAPER or Ableton MCP bridge alongside Phantom. Available controls depend on that bridge. |
DAW meters and file analysis
iZotope Insight 2 provides metering inside a DAW, including loudness, spectrum, and sound-field displays. Mastering The Mix LEVELS provides level and mix checks in a plugin. Their product pages list current features, supported hosts, and pricing.
Phantom provides 20 MCP tools for file measurements, comparisons, processing, profiles, and snapshots. It is free and open source, runs on macOS or Linux, and can be used from the terminal without an assistant. Conversational use depends on your chosen assistant, which may have its own costs and data policies.
These workflows can coexist: watch a meter while adjusting the mix, then use Phantom to compare the render against your previous version. The useful question is whether the change solved the problem you heard.
Try Phantom
No account needed. Analyze a supported audio file from the CLI.
See how Phantom fits your workflow — for producers or mastering engineers.