macOS VoiceOver event sounds · UI feedback
GuideProgress
867d9579dcfa
Level measurements
Integrated-29.0 LUFS
Maximum momentary-28.8 LUFS
True peak-6.0 dBTP
RMS-25.3 dBFS
Active RMS-24.2 dBFS
Duration0.195 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -6.0 dBFS |
| Sample crest factor | 19.3 dB |
| True-peak crest factor | 19.3 dB |
| Active duration | 0.150 s |
Level over time
RMS · 10.0 ms · 20 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 centroid795 Hz
Peak frequency785 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
GuideProgress.aiff
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:27Z
Technical metadata
| SHA-256 | 867d9579dcfa23747f3e9ee24b781bd5fba4324a030d458b957932388d856e67 |
|---|---|
| Analyzed | 2026-08-09T06:27:24Z |
| Codec | PCM 32-bit floating point little-endian |
| Sample format | flt · 32 bit |
| Sample rate | 48000 Hz |
| Channels | 1 |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |