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Prism Sound Show New dScope
Series III Software at IBC 2007
August 14, 2007
Source: Prism Sound
Prism
Sound’s new dScope Series III audio analyzer software,
which will be on show at this year’s IBC exhibition (Stand
8.597) in Amsterdam, is proving popular with broadcast customers
who are already downloading it from the company’s website.
The Version 1.21 software represents a major
upgrade in the functionality of the dScope Series III unit.
Many new features have been added at the request of the audio
test community, including new tools for acoustic measurements,
PC audio and 192kHz sampling on digital audio interfaces.
Prism Sound’s Sales Director, Graham
Boswell, says: “dScope Series III is ideal for testing
signal paths in the broadcast and production environment as
it includes scripts for the AES recommended practice AES17
for digital audio equipment. It can also perform a rapid mutlitone-based
“quick check” giving frequency response, distortion
and noise and amplitude accuracy in a few seconds. In addition,
dScope is perfect for situations where testing for proving
reliability or finding intermittent faults is required.”
Using dScope, measurements such as THD+N
can be monitored with high precision in real time for evidence
of any glitches and the results logged to file. A similar
approach can also be taken with the dScope’s “confidence
test”, where a known bit-sequence is transmitted and
then checked by the analyzer for errors. This is so accurate
that even a single bit error in a 24 hour test period will
be detected.
Among the key features included
in Version 1.2 of the software are:
- Generation and analysis using Windows
sound devices, including multi-channel device support
- 192kHz sample rate support on AES3 and
S/PDIF digital audio interfaces
- Support for acoustic measurements of
transducers and rooms
- Very fast measurements (including frequency
response) using swept-sine (Farina) method or bin-centred
noise with impulse response and FFT
- Quasi-anechoic measurement using an adjustable
time-window to eliminate acoustic reflections
- Support for measurement microphone sensitivity
and frequency response calibration
- Time domain averaging to reduce the effects
of random noise on measurements
- Analogue I/O can now sample at 48kHz
as well as 96 and 192kHz to increase LF resolution of FFT
analysis
- Script debugger allows breakpoints, single
stepping, examination/setting of variables etc.
Prism Sound has also
incorporated a number of smaller enhancements and improvements
to ensure that this new software version offers users the
maximum flexibility. Among these are the ability to import
and export sample buffers and WAV files; enhancements
to the user interface; the ability to run a script on every
Sweep step; new Trace Transformations; Clip flags on Monitor
Outputs; a new dBSPL unit; the ability to run multiple scripts
simultaneously and a new non-intrusive warning system gives
users warning of potential set-up problems.
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