AirPlay AirPlay 2
Ready
Album Artwork Album Artwork
AirPlay 2 Ready to Stream

AirPlay 2

Ready to Stream

Connect via Control Center on your Apple device

0:00 0:00
AirPlay 2: Scrub & seek directly on your Apple device
Volume: --
AirPlay 2 Standby
HI-FI AUDIO CALIBRATION REAL-TIME ATTENUATION & DAC HARDWARE BUFFER DEPTH

Precision Stereo Decibel & Hardware Buffer Depth Meters

WARM TUBE BACKLIGHT
Level & Buffer Depth
PEAK 0dB
-20 -10 -7 -5 -3 -2 -1 0 +1 +2 +3 0 20 40 60 80 100 VU VOLUME UNIT 100% = 0 dB • CALIBRATED ATTENUATION AIRPLAY 2 • PRECISION HI-FI MONITOR
CH 1 • AIRPLAY AUDIO ATTENUATION (dB)
XRUN ALERT
0% 20 40 60 80 100% 0ms 100 200 300 400 500ms FIFO DAC BUFFER DEPTH 32,768 FRAMES • HARDWARE STREAM QUEUE ALSA PCM • REAL-TIME DMA BUFFER
CH 2 • DAC HARDWARE BUFFER DEPTH (%)
AirPlay Audio Attenuation --
DAC Hardware Buffer --
ALSA Hardware Output --
Audio Sample Frame Clock --
IEEE 1588 PTP PRECISION TIMING (/dev/shm/nqptp Shared Clock)

Grandmaster Clock Jitter & Offset Oscilloscope

PTP Standby Jitter: --
+500 µs
0 µs Reference
-500 µs
Grandmaster Clock ID --
PTP Drift Tolerance --
Sub-sample Interpolation --
AirPlay Stream Buffer --
Live Sync Updates 0

Audio Pipeline & Transport

AirPlay 2 Synchronized Bitstream

Incoming Codec / Stream --
ALAC Audio Decoder --
ALSA Output Endpoint --
Connected Sender Client --
PTP Clock Synchronization --
WebSocket RTT Ping -- ms

Hardware Telemetry

Raspberry Pi 4 Model B (4 Cores • aarch64)

CPU Load (1m avg) --
SoC Temperature --
RAM Utilization --
Host: airplay • Uptime: -- • Kernel: --