macOS CoreAudio event sounds · Call state
mic_unmute_fail
93ffc9916fff
Level measurements
Integrated-18.4 LUFS
Maximum momentary-16.6 LUFS
True peak-4.8 dBTP
RMS-15.1 dBFS
Active RMS-14.9 dBFS
Duration0.346 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -4.8 dBFS |
| Sample crest factor | 10.3 dB |
| True-peak crest factor | 10.3 dB |
| Active duration | 0.330 s |
Level over time
RMS · 10.0 ms · 35 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 centroid220 Hz
Peak frequency215 Hz
200 Hz–8 kHz energy91.9 %
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 CoreAudio event sounds v26.6.1
Call state
system/mic_unmute_fail.caf
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:20Z
Technical metadata
| SHA-256 | 93ffc9916fff779ff04d26d351685c11457e2a3b19d0aba5d1f8a8b11a0d10ab |
|---|---|
| Analyzed | 2026-08-09T06:27:18Z |
| Codec | PCM signed 24-bit little-endian |
| Sample format | s32 · 24 bit |
| Sample rate | 44100 Hz |
| Channels | 1 · mono |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |