macOS VoiceOver event sounds · UI feedback
Hit
1d128837024f
Level measurements
Integrated-21.8 LUFS
Maximum momentary-21.8 LUFS
True peak-6.3 dBTP
RMS-18.2 dBFS
Active RMS-17.7 dBFS
Duration0.113 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -6.3 dBFS |
| Sample crest factor | 12.0 dB |
| True-peak crest factor | 11.9 dB |
| Active duration | 0.100 s |
Level over time
RMS · 10.0 ms · 12 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 centroid440 Hz
Peak frequency140 Hz
200 Hz–8 kHz energy49.6 %
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
Hit.aiff
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:27Z
Technical metadata
| SHA-256 | 1d128837024ff899b0f28371c9cb85fdd09bccfd053d4365cd3f8e3fe762b2ae |
|---|---|
| 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 |