macOS CoreAudio event sounds · UI feedback
Screen Capture
75ad70232a4d
Level measurements
Integrated-30.6 LUFS
Maximum momentary-29.1 LUFS
True peak-13.9 dBTP
RMS-34.7 dBFS
Active RMS-32.4 dBFS
Duration0.729 s
| Maximum short-term | — |
|---|---|
| Loudness range | — |
| Sample peak | -13.9 dBFS |
| Sample crest factor | 20.8 dB |
| True-peak crest factor | 20.8 dB |
| Active duration | 0.430 s |
Level over time
RMS · 10.0 ms · 73 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 centroid949 Hz
Peak frequency387 Hz
200 Hz–8 kHz energy97.8 %
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
system/Screen Capture.aif
- Acquisition
local_installation- Source observed
- 2026-08-09T06:27:20Z
Technical metadata
| SHA-256 | 75ad70232a4d8c64efa427a157b9fce9f3ab2984f4897b63b18b7349e4b33d0f |
|---|---|
| Analyzed | 2026-08-09T06:27:18Z |
| Codec | PCM signed 24-bit big-endian |
| Sample format | s32 · 24 bit |
| Sample rate | 48000 Hz |
| Channels | 2 |
| Analysis profile | notification-sound-db-bs1770-v2 |
| FFmpeg | ffmpeg version 8.1.2 Copyright (c) 2000-2026 the FFmpeg developers |