PCX924e & PCX924e-Mic, PCX22e
User manual
17
Audio specifications
PCX924e
PCX924e-Mic
PCX22e
Sampling frequencies
available
Programmable from 8 to 192 kHz
A/D and D/A converter
resolution
24 bits
Supported audio formats
PCM (8, 16, 24 bits), Float IEEE754, MPEG
(Layer I, II, and III up to 48 kHz)
Analog audio performance
Measurements done at Fs=48 kHz unless stated otherwise, with filter on the
22 Hz- 22 kHz range
PCX924e
PCX924e-Mic
PCX22e
Frequency response
( 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
*
PCX924e & PCX924e-Mic only
Sample rate converter performance
PCX924e
PCX924e-Mic
Maximum frequency
192 kHz
Frequency ratio
from 1:8 to 7,5:1
THD + noise 1 kHz
at –2 dBfs
<-130 dB
