Grass Valley 8925DMB-B User Manual
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8925DMB-B and -U — Instruction Manual
Specifications
provides the video and audio latency and video/audio offset
values between the audio and video for software versions 1.0.0 and 2.0.0.
Timing jitter (HPF 10 Hz)
HD/SD: 1UI/0.2UI
Alignment jitter
HD/SD: 0.2UI (HPF 100kHz) / 0.2UI (HPF 1kHz)
Output return loss
>15 dB (5 MHz - 1.485 MHz)
Output impedance
75 ohms
Digital Audio Outputs
Balanced Outputs
Unbalanced Outputs
Digital audio output signal
AES3-1997, Tech 3250-E
AES3-id-2001
Number of outputs
4 (J1, J2, J3, J4)
4 (J1, J2, J3, J4)
Output names
AES 1, 2, 3, 4
AES 1, 2, 3, 4
Connector type
Three pin terminal block
BNC
Output rise / Fall time
5ns to 30ns @ 110 Ohms
10 to 20ns @ 75 Ohms
Differential voltage range
3.2 V p-p +/- 0.2 @ 110 Ohms
0.95 ± 0.05V p-p @ 75 Ohms
Output return loss
> 15 dB (100kHz - 128 FS)
> 15 dB (100 kHz - 128 FS)
Output impedance
110 Ohms +/- 20 %
75 Ohms ± 20 %
Sampling rates supported
48 kHz
48 kHz
Audio data format
PCM or non-PCM (SMPTE 337M-2000)
Table 8. Video/Audio Latency and Video/Audio Offset
Input Format
Video Latency
Versions 1.0.0 and 2.0.0
Maximum Audio Latency
Versions 1.0.0 and 2.0.0
Video/Audio Offset
Versions 1.0.0 and 2.0.0
SD (all)
38 T (1.4
μs)
36 AS (0.75 ms)
0.75 ms
HD (all)
49 T (330 ns)
18 AS (0.38 ms)
0.38 ms
Table 7. Digital Video Specifications