Vanity
PRO
–
User Manual v1.2
Page 10 of 19
Volume Control
A part of the processing engine is also full precision volume control. It is used not only for
DSD and PCM level matching, but it also gives the user full control of the overall output level. With
0dB setting (maximum volume) the digital signal path is bit accurate.
All the digital audio processing is performed by a medium sized FPGA. The firmware for
the FPGA is user-upgradeable, together with the main processor firmware, to add new features
and functionality in the future.
Dielectric Barrier
There is a galvanic barrier put between the HDMI and the audio parts to limit the
electromagnetic noise from the HDMI domain influencing the sensitive audio and clock circuits in
the audio domain. Another advantage of this feature is the option to power the two functional
parts independently from separate power supplies. The audio part can be powered from a high
quality and low noise, possibly linear, power supply without the risk of being plagued by the noise
from the switching regulators on the HDMI side.
Dielectric domains of the Vanity
PRO
shown in the 3D model of the main PCB
Menu system
The menu system is structured into several screens. Some screens are used for monitoring
of the HDMI stream and incoming audio signal properties, while other are used to set the system
and audio processing parameters.
Summary of Contents for VanityPRO
Page 1: ...VanityPRO User Manual...
