macOS telephony event sounds · Incoming call
vc~callwaitingring
2740445a2491
Level measurements
Integrated-5.5 LUFS
Maximum momentary-4.5 LUFS
True peak-0.1 dBTP
RMS-12.5 dBFS
Active RMS-7.4 dBFS
Duration3.000 s
| Maximum short-term | -10.2 LUFS |
|---|---|
| Loudness range | 5.9 LU |
| Sample peak | -0.1 dBFS |
| Sample crest factor | 12.4 dB |
| True-peak crest factor | 12.4 dB |
| Active duration | 0.910 s |
Level over time
RMS · 10.0 ms · 300 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 centroid427 Hz
Peak frequency431 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 telephony event sounds v26.6.1
Incoming call
vc~callwaitingring.aif
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:21Z
Technical metadata
| SHA-256 | 2740445a24918f597b9452a4f5ac97972b98ca3cdb731850892a8dd6e6b320d1 |
|---|---|
| Analyzed | 2026-08-09T06:27:20Z |
| Codec | PCM signed 16-bit big-endian |
| Sample format | s16 · 16 bit |
| Sample rate | 44100 Hz |
| Channels | 2 · stereo |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |