macOS VoiceOver event sounds · UI feedback
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3b90395c6ca1
Level measurements
Integrated-24.9 LUFS
Maximum momentary-22.9 LUFS
True peak-8.8 dBTP
RMS-21.8 dBFS
Active RMS-21.7 dBFS
Duration0.174 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -8.8 dBFS |
| Sample crest factor | 13.0 dB |
| True-peak crest factor | 13.0 dB |
| Active duration | 0.170 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 centroid462 Hz
Peak frequency409 Hz
200 Hz–8 kHz energy99.9 %
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
Forward.aiff
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:27Z
Technical metadata
| SHA-256 | 3b90395c6ca16ee1cd5f513adccb95e191ebb02b878c5b40f07a9dffeafac671 |
|---|---|
| Analyzed | 2026-08-09T06:27:23Z |
| 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 |