CTAG Multi-Audio IO: Multi-Channel Audio for BeagleBone




CTAG Multi-Audio IO is a Linux compatible, embedded, multi-channel audio card for the BeagleBone Black/Green and BeagleBoard-X15.



• Up to 8 mono inputs and 16 mono outputs
• ALSA (Linux) compatible
Bela compatible
• Up to 192 kHz sample rate
• Up to 3.2 ms round-trip-time (ALSA)
• Up to 1.3 ms round-trip-time (Bela)
• Mobile usage (the whole system is powered with 5V)

Technical Specifications

Single Daisy-chained
Sample rates 48, 96, 192¹ kHz 48, 96² kHz
Analog inputs 4 (unbalanced) 8 (unbalanced)
Analog outputs 8 (unbalanced) 16 (unbalanced)
Power External 5V DC power supply External 5V DC power supply
Dimensions 3.5” x 2.15” x .187” 3.5” x 2.15” x .374”
(86.36mm x 53.34mm x 4.76mm) (86.36mm x 53.34mm x 9.52mm)

¹ only supported with four active IO channels
² only supported with eight active IO channels

Analog IO Specifications

Dynamic range 110.4 dB
THD -88.4 dB
THD+N -88.2 dB
Crosstalk 97.6 dB