Huron & SNAP Documentation

Introduction
96kHz Measurement Tool’s Hardware Requirements
The 96kHz Measurement Tool
The 96kHz Measurement tool provides a method for obtaining
and storing high sample rate impulse responses (IRs) of audio
systems; including acoustic spaces (concert halls, theatres, etc)
or audio processing equipment (reverbs, equalisers,
microphones, etc). This high sample rate Measurement tool
mirrors the functionality of the standard Lake (48kHz)
Measurement tool, with the following differences:
• To run the Measurement 96kHz tool, specific hardware
internal and external to the Huron is required.
• The Patch Bay interface to the 96kHz Measurement tool is
different to the standard Measurement tool. For each
channel of 96kHz data to be measured Measure uses two
input and output points corresponding to two streams of data
representing the odd and even samples of the 96kHz signal.
Rather than repeat the standard measure documentation with
references to 96kHz Measure inserted, this sub-section focuses
on the differences cited above.
The 96kHz Measurement tool provides the same functionality,
and utilises the same interface as Lake Technology’s standard
Measurement tool. Its primary differentiation is that it transmits
and captures signals at a 96kHz sampling rate, rather than the
standard 48kHz.
In order to run the 96kHz Measurement tool the following
equipment is required:
• 1 Huron with at least 4 DSPs available.
• 1 Two channel AES/EBU Digital Input Module with no
sample rate conversion (synchronous). One of these
modules is required for each impulse to be measured.
• 1 Two channel AES/EBU Digital Output Module.
• 1 96kHz Analogue to Digital converter. This converter must
support data formatted as odd and even samples of the left
and right channels of a standard AES/EBU system.
HURON TECHNICAL MANUAL PAGE 205