Phasescope

– EBU Tech 3304 (European Broadcasting Union). Explains the standard for using phase scopes in broadcast to prevent mono incompatibility.

Stereo wideners and "haas effect" delays can look cool on a phasescope but often create massive phase issues. Use the meter to find a balance between width and stability. phasescope

Many playback systems (like club sound systems, phone speakers, or some radio broadcasts) are mono. If your mix relies on phase-shifted "stereo magic" to sound good, it might fall apart on these systems. – EBU Tech 3304 (European Broadcasting Union)

If your DAW doesn't have one built-in, there are many third-party plugins from developers like , Waves , and iZotope that offer advanced goniometers with customizable refresh rates and "persistence" settings to help you see the history of your signal over time. Quick Tips for Using a Phasescope Use the meter to find a balance between width and stability

If you see a single, straight vertical line, your signal is perfectly . This means the left and right channels are identical in both timing and volume. 2. The Horizontal Line (Out of Phase)