macOS alert tones · System alert
Passage-EncoreInfinitum
df6310f6ed28
Level measurements
Integrated-16.7 LUFS
Maximum momentary-14.9 LUFS
True peak-3.0 dBTP
RMS-23.5 dBFS
Active RMS-21.2 dBFS
Duration1.870 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -3.0 dBFS |
| Sample crest factor | 20.5 dB |
| True-peak crest factor | 20.5 dB |
| Active duration | 1.100 s |
Level over time
RMS · 10.0 ms · 188 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 centroid280 Hz
Peak frequency305 Hz
200 Hz–8 kHz energy76.0 %
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 alert tones v26.6.1
System alert
EncoreInfinitum/Passage-EncoreInfinitum.caf
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:15Z
Technical metadata
| SHA-256 | df6310f6ed28d74cb8fb51dea3734a38f48f373152a1c45e27826faa41abd073 |
|---|---|
| Analyzed | 2026-08-09T06:27:15Z |
| Codec | PCM signed 24-bit little-endian |
| Sample format | s32 · 24 bit |
| Sample rate | 48000 Hz |
| Channels | 2 · stereo |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |