Signal Processing Systems : De-embedders & Embedders : Evertz - 7720AE4

SD-SDI 4 AES Audio Embedder

Model: 7720AE4

Automatic detection of 525 line and 625 line input
Bypass relay protection on one SDI output for power failures
20-bit AES input and audio embedding
Individual audio group assignment for each group
Group lock mode maintains phase relationship between the groups for 5.1 audio applications

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The 7720AE4 Audio Embedder inserts AES audio signals into a 270Mb/s SDI video signal as specified in SMPTE ST 272. The companion 7720AD4 Audio Deembedder facilitates audio demultiplexing at the destination. SMPTE ST 272 allocates four groups of four audio channels that can be embedded into the SMPTE ST 259 bitstream. The 7720AE4 embeds up to 4 AES audio signals into two groups on the SDI outputs for discrete 5.1 audio applications. The 7720AE4 is Dolby E compliant when the sample rate converters are turned off. VistaLINK® enables control and configuration capabilities via Simple Network Management Protocol (SNMP). This offers the flexibility to manage the module status monitoring and configuration from SNMP enabled control systems such as Evertz VistaLINK® PRO locally or remotely.

Automatic detection of 525 line and 625 line input
Bypass relay protection on one SDI output for power failures
20-bit AES input and audio embedding
Individual audio group assignment for each group
Group lock mode maintains phase relationship between the groups for 5.1 audio applications
Sample rate conversion disable on AES inputs to permit Dolby E embedding
Programmable audio delays (up to 7 frames in 1/2 video field increments using DIP switches or up to 1.35 seconds in 1 sample increments with VistaLNK™ control
Ancillary packet cleaning mode removes all audio before embedding
Ancillary packet reformatting mode left justifies and removes unused packets before embedding
Embeds audio on internally generated black or blue video when there is no video input
Front panel LEDs indicate video and audio signal presence, and module fault
VistaLINK® capable for remote monitoring, control and configuration capabilities via SNMP; using VistaLINK® PRO, CP-2116E or CP-2232E Control Panels. VistaLINK® is available when modules are used with the 3RU 7800FR frame and a 7700FC VistaLINK® Frame Cont

De-embedder/Embedder Type - AES
Spec Sheet available - Yes

Serial Video Input - Standard: SMPTE ST 259-C (270Mb/s) 525 or 625 line component
Serial Video - Number of Inputs: 1
Serial Video Input - Connector: BNC per IEC 61169-8 Annex A
Serial Video Input - Equalization: Automatic 210m @ 270Mb/s with Belden 8281 or equivalent cable
Serial Video Input - Return Loss: > 15dB up to 540Mb/s
AES Audio Input - Standard: SMPTE ST 276, single ended AES
AES Audio - Number of Inputs: 4
AES Audio Input - Connector: BNC per IEC 61169-8 Annex A
AES Audio Input - Resolution: 20 bits
AES Audio Input - Sampling Rate: 32kHz to 96kHz synchronous or asynchronous; 48kHz synchronous AES required when sample rate converter is disabled
AES Audio Input - Impedance: 75 ohms unbalanced
AES Audio Input - Level: 1V p-p ±0.1V
System Performance - Embedding Latency: 1.3 to 3 ms
System Performance - Audio Delay: DIP Switch Control: Up to 7 frames, 1/2 frame increments (delay applied to all AES channels); VistaLINK® or Serial Port Control: Up to 1.35s in 1 sample increments (independent control of delay for each channel)
Number of Slots: 1
Active Power: 9 Watt
DC Voltage: 12 Volts
Regulatory Compliance: FCC Part 15 Class A, EU EMC Directive

SD-SDI 4 AES Audio Embedder 53 kb - Data Sheet

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