Audio specifications, Aes digital audio, Analog audio – Grass Valley Acappella v.3.2.4 User Manual
Page 118: Aes digital audio analog audio
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Acappella — Instruction Manual
Appendix A — Specifications
Audio Specifications
AES Digital Audio
Analog Audio
Table 13. AES Digital Audio Specifications
General
Switch Point
Next audio sample after video switches
Switching Transients
No discontinuity, switching is frame synchronous
Signal Format
Unbalanced AES-3id-1995, SMPTE-276-M (specifies AES3)
AES Inputs
Format
SMPTE-276-M (specifies AES3)
Cable Length
350M of RG59/U (9259) for 75 ohm systems 450M of 8281 for 75 ohm systems
Connector
BNC
Impedance
75 ohm
Return loss
≥ 25dB 0.1-6mhz 75 ohms unbalanced
Sample rate
48KHz
AES Outputs
Format
SMPTE-276-M (specifies AES3)
Connector
BNC
Impedance
75 ohm
Voltage
1 Vpp into 75 ohms
Rise-time
Approximately 19nS
Return loss
≥ 25dB 0.1-6mhz
Input to output delay
≤ 4.2 audio samples
Reclocking
Yes
Output Jitter
≤1nS
Sample rate
48KHz
Table 14. Analog Audio Specifications
Analog Inputs
Signal Type
Balanced Analog Audio
Connector
6 position friction clamp connector for channel pair
(+,-,GND,+,-,GND)
Max Input Level
+24dBu
CMRR @ 50-60Hz
>70dB
CMRR @ 20kHz
>=55dB
Input Common Mode Voltage Range
+/- 40V
Input Impedance Differential
>15k Ohms
ESD (Static Withstand Voltage)
10kV @ 330 Ohms, 150pF