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FM-531HD / May 2013
A P P E N D I C E S
Common audio processing terms and the parts of the spectrum
they govern are at the bottom of the chart. The top part of the chart
shows the frequency range of common musical instruments heard
on the radio (male and female voice included)
Audio Terms and Wheatstone Processing
Much of the credit for the vast sound-tailoring flexibility and incredibly clean sound
of Wheatstone’s FM-531HD processor goes to its 31-band limiter. A 31-band limiter can
accomplish two goals that no other limiter with fewer bands can. The first is that it allows
the end user to achieve a great deal of loudness without hearing individual limiter bands
work. This allows the sound to be very “open” (there’s a term!) and loud, and clean, and
without the harsh, unnatural re-equalization generated by limiters with fewer bands – the
ones found in conventional processors.
The second goal was to create a unique limiter technology that didn’t get in the way
of end users using the vast pallet of powerful sound shaping tools to tailor their station’s
sound. We didn’t want the limiters getting in the way of that enhancement.
So how do you tweak a processor to change its sound “texture”? Let’s start with the
low end…
THUMP/RUMBLE/BOTTOM
These terms describe bass generally found at and below about 80Hz. Good stereo
systems, closed or noise reduction headphones and car audio systems with subwoofers
can usually reproduce the audio way down here. Many times such systems even have
their own complex bass enhancement features. Wheatstone processors are equipped with
Summary of Contents for FM-531 HD
Page 2: ...Technical Manual Wheatstone Corporation May 2013 FM HD Digital Audio Processor FM 531hd...
Page 122: ...page A 2 FM 531HD May 2013 A P P E N D I C E S Appendix A General Specifications A 3 Contents...
Page 128: ...page A 8 FM 531HD May 2013 A P P E N D I C E S Appendix B FM 531HD GPI Interface A 9 Contents...