2 specifications, 1 measurement conditions, 2 general – Nevion AVA-MUX User Manual
Page 6: 3 processing, 1 sd latencies aav-sd-xmux, 2 sd latencies adc-sdi, 4 inputs, 1 analog video input
AVA-MUX
Rev. C
nevion.com | 6
2 Specifications
2.1 Measurement conditions
Audio Sampling rate:
48 kHz.
Ambient temperature:
25ºC.
Measurement bandwidth:
20 Hz-20 kHz.
Detector:
RMS.
Input overload level (0 dBFS):
+18 dBu.
2.2 General
Power, AAV-SD-XMUX:
+5V DC / 0.7A, 3.5W
+/-15V DC / 0.017A, 0.5W.
Power, ADC-SDI:
+5V DC / 0.44A, 2.2W
-15V DC / 0.046A, 0.7W.
Control:
DIP switches, Gyda system controller.
Monitoring:
Front panel LED’s and GYDA system controller.
EDH processing:
Full. Received flags are updated; new CRCs are
calculated.
Embedding level:
SMPTE S272M C
– Synchronous audio at 48 kHz
and extended data packets. (24 bit optional).
Embedded audio word length:
Configurable 20 or 24 bits.
Video processing word length:
10 bits.
Total Audio Delay:
To be measured.
Total Video Delay:
To be measured.
2.3 Processing
Video latency is variable due to the de-glitcher but the values below apply when the video
signal is first applied. Other latency values are maximum values.
2.3.1 SD latencies AAV-SD-XMUX
Video:
des+4+350+256+2+ser video samples = 45.3us.
Audio embedding:
AES+2+1+16 audio samples=20/48000 = 417us.
Audio de-embedding:
4+16+1 audio samples =21/48000 = 438us.
Embedding data GPI mode:
8+4+32 96kHz samples =44/96000 = 458us.
Embedding data UART mode:
32+128+17+16 96kHz samples =193/96000 = 2.01ms.
De-embedding data GPI mode:
8+32+8 96kHz samples =44/96000 = 458us.
De-embedding UART mode:
8+32+8 96kHz samples =48/96000 = 458us.
2.3.2 SD latencies ADC-SDI
Video:
2 video lines.
2.4 Inputs
2.4.1 Analog Video input
Format:
PAL, NTSC, S-Video.
Video frame rate:
50 Hz or 60 Hz.
Impedance:
75 ohms.
Return loss:
>40dB up to 5.75 MHz.
Signal level:
1V.
Connectors:
BNC.
Termination configuration:
DIP switches on backplane.