macOS VoiceOver event sounds · UI feedback
WrapBack
9ab8458f1f15
Level measurements
Integrated-31.9 LUFS
Maximum momentary-29.5 LUFS
True peak-6.9 dBTP
RMS-30.1 dBFS
Active RMS-30.1 dBFS
Duration0.176 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -6.9 dBFS |
| Sample crest factor | 23.1 dB |
| True-peak crest factor | 23.2 dB |
| Active duration | 0.176 s |
Level over time
RMS · 10.0 ms · 18 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 centroid1353 Hz
Peak frequency1529 Hz
200 Hz–8 kHz energy100.0 %
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
WrapBack.aiff
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:27Z
Technical metadata
| SHA-256 | 9ab8458f1f15388f33113199c51e6de33241bd1e4012217b7dee8f722a52996a |
|---|---|
| Analyzed | 2026-08-09T06:27:27Z |
| Codec | PCM signed 16-bit big-endian |
| Sample format | s16 · 16 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 |