macOS VoiceOver event sounds · UI feedback
KBVOSynched
2ef786a7ad8a
Level measurements
Integrated-23.0 LUFS
Maximum momentary-21.3 LUFS
True peak-11.6 dBTP
RMS-30.1 dBFS
Active RMS-28.3 dBFS
Duration0.869 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -11.7 dBFS |
| Sample crest factor | 18.4 dB |
| True-peak crest factor | 18.5 dB |
| Active duration | 0.570 s |
Level over time
RMS · 10.0 ms · 87 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 centroid2116 Hz
Peak frequency2347 Hz
200 Hz–8 kHz energy99.3 %
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 VoiceOver event sounds v26.6.1
UI feedback
KBVOSynched.aiff
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:27Z
Technical metadata
| SHA-256 | 2ef786a7ad8a859c32ef50e2edce8cf43b8dbf741c1220531514062e40132387 |
|---|---|
| Analyzed | 2026-08-09T06:27:24Z |
| 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 |