macOS CoreAudio event sounds · UI feedback
Slow Keys, Key Registered
5053fdb3bec7
Level measurements
Integrated-33.7 LUFS
Maximum momentary-31.7 LUFS
True peak-16.6 dBTP
RMS-35.7 dBFS
Active RMS-34.3 dBFS
Duration0.303 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -16.6 dBFS |
| Sample crest factor | 19.1 dB |
| True-peak crest factor | 19.1 dB |
| Active duration | 0.220 s |
Level over time
RMS · 10.0 ms · 31 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 centroid2666 Hz
Peak frequency129 Hz
200 Hz–8 kHz energy85.8 %
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/Slow Keys, Key Registered.aif
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:20Z
Technical metadata
| SHA-256 | 5053fdb3bec76b3d9515b903ad54b6e342a8426f74583287c0c468808aec625c |
|---|---|
| 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 |