Tone & pitch inspector

1 Choose a tone

Loading catalog…

Recording Segment

Start (s) End (s) Drag on the waveform to select an audition range.

Load your own audio or response/probe files

Audio file Segment metadata (optional) Responses / probes

Use existing split response JSON, [{"hz": 82.4, "weight": 0.8}], or CSV with hz,weight. Optional CSV annotator and segment columns make separate rows and segment assignments. A generic list is attached to the selected segment.

2 Explore the pitches

Choose a recording

The pitch plot will appear here.

Overview: mean weight across displayed rows at each exact frequency. Missing segment responses are omitted.

3 Compare by ear

No probe selected

Select a pitch above

Weights are displayed, not mapped to playback level.

Alternate: stimulus → gap → sine probe → gap → stimulus.

Repeat comparison Gap (ms) Probe duration (ms) Stimulus level 65% Probe level 15%

Probe adjustment 0 cents

Probe level is independent of confidence and uses a fixed sine amplitude across frequencies. Overlay lasts for the stimulus range and changes the sound being judged. Space replays/stops the current mode. Short fades are applied at playback boundaries.