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Vanity

PRO

 

 User Manual v1.2 

Page 2 of 19 

 

Table of Contents 

Introduction ................................................................................................................................................... 3 

HDMI Audio ............................................................................................................................................... 3 

Vanity

PRO

 .................................................................................................................................................... 3 

Description .................................................................................................................................................... 4 

Front .......................................................................................................................................................... 4 

Back ........................................................................................................................................................... 4 

Output Boards ........................................................................................................................................... 5 

User Interface ................................................................................................................................................ 5 

Installation ..................................................................................................................................................... 6 

AV Signals .................................................................................................................................................. 6 

Power ......................................................................................................................................................... 6 

Synchronization Clocks .............................................................................................................................. 7 

Theory of Operation ...................................................................................................................................... 7 

Block diagram ............................................................................................................................................ 7 

HDMI Extractor .......................................................................................................................................... 7 

Clock Recovery and Jitter Reduction ......................................................................................................... 8 

DSD Processing Engine .............................................................................................................................. 9 

DSD to PCM Conversion ........................................................................................................................ 9 

DSD and PCM Level Matching ............................................................................................................... 9 

DoP v1 output mode ............................................................................................................................. 9 

DSD 4.0 Down-Mix ................................................................................................................................. 9 

Volume Control ................................................................................................................................... 10 

Dielectric Barrier ...................................................................................................................................... 10 

Menu system ............................................................................................................................................... 10 

Home Screen ........................................................................................................................................... 11 

Audio Setup ............................................................................................................................................. 11 

Filters Characteristics .......................................................................................................................... 12 

System Setup ........................................................................................................................................... 14 

HDMI AV Info ........................................................................................................................................... 14 

Audio Meters ........................................................................................................................................... 15 

System Status .......................................................................................................................................... 15 

Software Update ......................................................................................................................................... 16 

Troubleshooting .......................................................................................................................................... 17 

Specifications ............................................................................................................................................... 18 

Disclaimer .................................................................................................................................................... 19 

 

Summary of Contents for VanityPRO

Page 1: ...VanityPRO User Manual...

Page 2: ...n 7 Block diagram 7 HDMI Extractor 7 Clock Recovery and Jitter Reduction 8 DSD Processing Engine 9 DSD to PCM Conversion 9 DSD and PCM Level Matching 9 DoP v1 output mode 9 DSD 4 0 Down Mix 9 Volume C...

Page 3: ...ary links based on the I2S bus There is usually nothing wrong with the audio data itself provided the receiver can take advantage of all the digital formats and sampling rates available on the source...

Page 4: ...Status LED Indicator 3 Rotary Encoder with Push button 1 HDMI DC Power Input 5V 1A USB C 2 HDMI Output 3 HDMI Input 4 Digital Audio Output Board Stereo board shown 5 Word Clock Output 44 1kHz to 192kH...

Page 5: ...ons and metering diagnostic data Turing the rotary encoder left and right changes the screen moves between options in a configuration menu or selects from multiple options Pushing the knob in one of t...

Page 6: ...a projector to the HDMI output of the VanityPRO for video pass through The HDMI connectors are quite delicate and should be plugged and unplugged carefully without excessive force or wiggling to prev...

Page 7: ...ompared to a clock recovered from a S PDIF or AES EBU stream There are Word Clock and Super Clock signals provided The Word Clock is a sampling frequency clock Fs while the Super Clock is either 22 57...

Page 8: ...in FIFO memory and clocked out with local high precision oscillators As a result the output signal is completely isolated from the noisy HDMI domain interferences from the power supplies video circui...

Page 9: ...cient headroom for inter sample peaking with PCM material and DACs that don t provide such headroom by design DoP v1 output mode The VanityPRO can be also set to output DSD signal in so called DoP for...

Page 10: ...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...

Page 11: ...Green colour indicates established HDMI link Audio Setup In this screen the user can configure several parameters of the DSD to PCM conversion algorithm DSD output mode 4 0 downmix and output volume...

Page 12: ...output sampling rate have HB suffix for High Bandwidth The frequency plots below show output spectrum of DSD test signal with 1kHz tone at 0dB converted to PCM 24bit and 176 4kHz Typical bumps if the...

Page 13: ...s filter for the best transient response at the expense of the highest level of the ultrasonic noise There is no general rule for which filter characteristic is the best The best sounding filter chara...

Page 14: ...d by LED Three settings are available Low Mid and High Word Clock Out Enables or disables the Word Clock output Super Clock Out Enables or disables the Super Clock output HDMI AV Info In this screen t...

Page 15: ...ar Center Right Audio Meters screen and prototype showing the colour grading of the meters System Status This screen shows the overall system status health and operational parameters POWER Shows inter...

Page 16: ...nd hold the encoder knob Apply connect power to the audio side Wait 2 3 seconds before releasing the knob Connect USB B cable to the Service port Verify that the unit reports itself in the device mana...

Page 17: ...udio drivers and settings The table below contains a non exhaustive list of some issues the user might experience mainly due to large variability in device configurations the VanityPRO can be used wit...

Page 18: ...racteristics full precision 4 0 DSD down mix option DoP v1 output encoding of raw DSD Full Precision Volume Control less than 0 001dB gain error bit accurate volume bypass at 0dBFS TPDF dithering PCM...

Page 19: ...021 1 2 Added Troubleshooting info related to ESS DACs Disclaimer The product has been designed and manufactured using high quality materials in accordance with best practices in the industry and inte...

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