macOS VoiceOver event sounds · UI feedback
MoreContentAvailable
5de1f22d150a
Level measurements
Integrated-19.2 LUFS
Maximum momentary-17.2 LUFS
True peak-2.4 dBTP
RMS-17.9 dBFS
Active RMS-17.5 dBFS
Duration0.284 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -2.4 dBFS |
| Sample crest factor | 15.5 dB |
| True-peak crest factor | 15.5 dB |
| Active duration | 0.259 s |
Level over time
RMS · 9.977 ms · 29 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 centroid255 Hz
Peak frequency194 Hz
200 Hz–8 kHz energy60.8 %
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 VoiceOver event sounds v26.6.1
UI feedback
MoreContentAvailable.aiff
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:27Z
Technical metadata
| SHA-256 | 5de1f22d150afdf03cfd15c0ead4be3b8d7a79fa6a95036fb0246c6a696753d0 |
|---|---|
| Analyzed | 2026-08-09T06:27:25Z |
| Codec | PCM signed 16-bit big-endian |
| Sample format | s16 · 16 bit |
| Sample rate | 22050 Hz |
| Channels | 2 |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |