macOS VoiceOver event sounds · UI feedback
LinkBegin
70dcf5f66203
Level measurements
Integrated-31.1 LUFS
Maximum momentary-31.1 LUFS
True peak-7.5 dBTP
RMS-27.8 dBFS
Active RMS-26.7 dBFS
Duration0.052 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -7.5 dBFS |
| Sample crest factor | 20.3 dB |
| True-peak crest factor | 20.3 dB |
| Active duration | 0.040 s |
Level over time
RMS · 10.0 ms · 6 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 centroid2328 Hz
Peak frequency2443 Hz
200 Hz–8 kHz energy99.5 %
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 VoiceOver event sounds v26.6.1
UI feedback
LinkBegin.aiff
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:27Z
Technical metadata
| SHA-256 | 70dcf5f66203caf305795444a094ed8dae0dfaf37eb06b4587eec2e60eb2b9c0 |
|---|---|
| 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 |