Digigram VX222e - Analog Audio Performance; Sample Rate Converter Performance

VX222e & VX222e-Mic
User Manual
17
Audio specifications
VX222e VX222e-Mic
Sampling frequencies available Programmable from 8 to 192 kHz
A/D and D/A converter
resolution
24 bits 24 bits
Supported audio formats PCM (8, 16, 24 bits), Float IEEE754
Analog audio performance
Measurements done at Fs=48 kHz unless stated otherwise, with filter on the
22 Hz- 22 kHz range
VX222e VX222e-Mic
Frequency response
(record + play)
at 48 kHz: 20 Hz - 20 kHz: +0 /-0.3 dB
at 96 kHz: 20 Hz - 40 kHz: +0 /-0.4 dB
at 192 kHz: 20 Hz - 80 kHz: +0 /-1.1 dB
Channel phase difference:
20/20kHz
<0.2°/2°
Dynamic range
(A-weighted)
Analog In: >104 dB
Analog Out: > 106 dB
THD + noise 1 kHz at –2 dBfs
Analog In: <–97 dB
Analog Out: <-95 dB
Crosstalk
(Analog in or out)
1 kHz at 24 dBu: <–115 dB
15 kHz at 24 dBu: <-100 dB
Sample rate converter performance
VX222e-Mic
Maximum frequency 192 kHz
Frequency ratio from 1:8 to 7,5:1
THD + noise 1 kHz at –2 dBfs <-130 dB