APx ADIO Module for B Series: Specifications 45
ADIO
ADIO Advanced Digital Input/Output
module specifications
with APx500 v5.0 or higher measurement software
as fitted in APx52x, 555, and 58x B Series audio analyzers
NP0020.00041 rev 001
March, 2020
This illustration shows an APx ADIO module, model 238.
These specifications cover the digital input and output functions of the Audio Precision
Advanced Digital Input/Output (ADIO). The ADIO is available as a stand-alone module
(model 238).
The APx ADIO provides balanced digital input and output compatible with AES3, AES/EBU
and IEC60958-4, on XLR connectors; unbalanced digital input and output compatible with
S/PDIF and IEC60958-3 and also AES3id and SMPTE 276 M, on BNC connectors; and opti-
cal digital input and output compatible with Toslink interfaces.
ADIO also enables certain carrier and metadata impairments, and it supports the imposition of
jitter on the transmitted carrier, and jitter measurement, when used with the Advanced Master
Clock (AMC).
ADIO specifications begin on the next page.
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