macOS CoreAudio event sounds · UI feedback
multiway_invitation
79f54bcd904a
Level measurements
Integrated-16.7 LUFS
Maximum momentary-13.6 LUFS
True peak-2.7 dBTP
RMS-22.5 dBFS
Active RMS-19.6 dBFS
Duration2.203 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -2.7 dBFS |
| Sample crest factor | 19.8 dB |
| True-peak crest factor | 19.8 dB |
| Active duration | 1.140 s |
Level over time
RMS · 10.0 ms · 221 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 centroid394 Hz
Peak frequency345 Hz
200 Hz–8 kHz energy89.0 %
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 CoreAudio event sounds v26.6.1
UI feedback
facetime/multiway_invitation.caf
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:20Z
Technical metadata
| SHA-256 | 79f54bcd904a3032f6cfc86bf4068ade5c8eefe5c70798c62a2b26ea434be2f1 |
|---|---|
| Analyzed | 2026-08-09T06:27:16Z |
| Codec | PCM signed 16-bit little-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 |