macOS CoreAudio event sounds · UI feedback
Sticky Keys Stuck
12c202975a5b
Level measurements
Integrated-38.2 LUFS
Maximum momentary-38.2 LUFS
True peak-22.6 dBTP
RMS-41.4 dBFS
Active RMS-40.0 dBFS
Duration0.261 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -22.9 dBFS |
| Sample crest factor | 18.5 dB |
| True-peak crest factor | 18.8 dB |
| Active duration | 0.190 s |
Level over time
RMS · 10.0 ms · 27 points
Each point is the channel-combined RMS of a non-overlapping frame. Values below −80 dBFS are pinned to the chart floor for display; the canonical JSON retains measured values, and digital silence remains null.
Frequency characteristics
Spectral centroid2797 Hz
Peak frequency420 Hz
200 Hz–8 kHz energy91.5 %
Frequency is shown on the horizontal axis and band energy on the vertical axis. Values below −120 dBFS are pinned to the chart floor for display.
Current source occurrences
macOS CoreAudio event sounds v26.6.1
UI feedback
accessibility/Sticky Keys Stuck.aif
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:20Z
Technical metadata
| SHA-256 | 12c202975a5b721a59f24f291efae0f67bc4535231d070199cf1a5c2201870df |
|---|---|
| Analyzed | 2026-08-09T06:27:16Z |
| Codec | PCM signed 24-bit big-endian |
| Sample format | s32 · 24 bit |
| Sample rate | 44100 Hz |
| Channels | 2 |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |