The move, in samples
Each source is measured against one reference (the DI for a guitar or bass rig, the overheads for a kit) to a fraction of a sample, and shown in milliseconds too. Samples are what a DAW moves.
Every mic sounded right solo. Together, the low end went thin.
ABA Phaze Check — the second tool in the ABA Media Platform toolbox, in beta. It measures how two pickups of the same sound line up in time and polarity.
The DI and the amp mic, the snare top and the overheads: each one fine on its own, and something missing the moment they are blended.
A few milliseconds between two pickups is not heard as a delay. It is heard as tone: some frequencies add, others cancel, and the blend comes out thinner and hollower than either source. A flipped polarity is worse: the low end cancels outright.
Phaze Check finds both, source by source, and tells you the move in samples. It measures and changes nothing. The move is yours to make.
Beta · in calibration
What “in calibration” means here.
Phaze Check has been tested against signals with known answers, a planted delay and polarity, and recovers them: every single pair, and a whole rig to within a sample. It has not yet been compared with other alignment tools on real sessions. That comparison is ongoing, the way the AudioVibes corpus is ongoing, and its results will be published as they come in.
Until then, read a result as a strong first opinion, and listen before you move anything.
The tool
Measure a rig.
Take every source of one take, the raw recorded tracks, from the same starting point and at the same length, and drop them in. Each track is measured against the reference track (the DI, or the overheads on a kit), so you see how every source lines up with the rest before anything is blended. The tool opens on an example rig with planted answers: each source in it was moved by a set number of samples on purpose, so you can read a full report, and check the tool, before you load anything of your own.
Built for a desk: dropping in a folder of tracks works best on a computer. On a phone, the example and its explanation still show what the tool does.
What you get back
The move, the polarity, and how sure it is.
Three readings, not one
Start, middle and end of the take. When they agree, one move fixes the take. When they disagree, something moved while you were recording, and the report says so instead of guessing.
Kept as color
Some offsets are the sound: a room mic, a stereo box's width. Mark a source as kept and the record says it was chosen, not missed.
Two ways to use it
Once for the room. Then every take.
Studio calibration
Once the room is tuned, measure the rig's stock sources and keep the offsets as the rig's record. Add a session's own sources when that session uses them.
Inside the ABA process
Every ABA milestone checks phase after the last performance and before anything is blended. AudioVibes checks the finished mix at the end. The cause gets fixed first, so the mix has less to find.
What happens to your audio
It stays on your computer.
Your audio never leaves your machine. Phaze Check decodes and measures your performances, your tracks, in your browser, and never transmits them. The calibration record is a file you download yourself; nothing is reported to this page.
The tool remembers two conveniences in this browser only: the names you give your sources, and which stock sources you hid. Never any audio.