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The 7721AD-HD series Audio De-embedders extract embedded audio as specified by SMPTE ST 299-1 from a 1.5Gb/s serial HDTV video signal. The companion 7721AE4-HD Audio Embedder facilitates audio multiplexing at the source. The 7721AD-HD is available in 4 different versions.
SMPTE ST 299-1 allows for up to four groups (4 channels/group) to be embedded within a serial digital signal. The 7721AD4-HD can de-embed two audio groups onto four unbalanced AES outputs. The 7721AD-A4-HD can de-embed one audio group onto two unbalanced AES outputs and 4 balanced analog audio outputs. The 7721AD-A4-2HD can de-embed one audio group onto 4 balanced analog audio outputs.
Features
- Automatic detection of video input format
- Card edge LEDs indicating module status, video presence, selected audio group data is present
- LED indication for the presence of each of the four audio groups within the input video
- Audio group selection via card edge DIP switches
- 7721AD-A4-HD and 7721AD-A4-2HD have independent volume controls for each of the audio channel outputs and supports both HD and SD-SDI signals
- 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 7800FC VistaLINK® Frame Controller module in slot 1 of the frame
Output Organization
| Model | Audio Outputs | Video 1.5Gb/s Reclocked Outputs | |
|---|---|---|---|
| AES | Analog | ||
| 7721AD4-HD (HD Only) | 4 | - | 2 |
| 7721AD-A4-HD (HD/SD) | 2 | 4 | - |
| 7721AD-A4-2HD (HD/SD) | - | 4 | 2 |
| 7721AD4-B-HD (HD Only) | 4 | - | 2 |
Specifications
Serial Video Input | |
|---|---|
| Standard | SMPTE ST 292-1 (1080i/60, 1080i/59.94, 1080i/50, 1080p/30(sF), 1080p/29.97(sF), 1080p/25(sF), 1080/24(sF), 1080/23.98(sF), 720p/60, 720p/59.94, 1035i/60, 1035i/59.94) SMPTE ST 259 (525i, 625i) on 7721AD-A4-HD only |
| Number of Inputs | 1 |
| Connector | BNC per IEC 61169-8 Annex A |
| Equalization | Automatic 100m @ 1.5Gb/s with Belden 1694A (or equivalent) |
| Return Loss | > 10dB up to 1.5Gb/s |
Serial Video Output7721AD4-HD, 7721AD-A4-2HD and 7721AD4-B-HD | |
|---|---|
| Standard | Same as input |
| Number of Outputs | 2 |
| Connector | BNC per IEC 61169-8 Annex A |
| Signal Level | 800mV nominal |
| DC Offset | 0V ±0.5V |
| Rise/Fall Time | 200ps nominal |
| Overshoot | < 10% of amplitude |
| Return Loss | > 10dB up to 1.5Gb/s |
| Wideband Jitter | < 0.2UI |
AES Audio Output7721AD4-HD, 7721AD-A4-HD and 7721AD4-B-HD | |
|---|---|
| Standard | SMPTE ST 276, single ended synchronous or asynchronous AES |
| Number of Outputs | |
| 7721AD4-HD | 4 |
| 7721AD-A4-HD | 2 |
| 7721AD4-B-HD | 4 |
| Connector | BNC per IEC 61169-8 Annex A |
| Sampling Rate | 48KHz |
| Impedance | 75Ω |
| Resolution | 24 bits |
Analog Audio Output7721AD-A4-HD and 7721AD-A4-2HD Modules | |
|---|---|
| Number of Outputs | 4 |
| Type | Balanced analog audio |
| Connector | Two 6 pin terminal strips |
| Impedance | 66Ω balanced |
| Sampling Rate | 48KHz |
| Signal Level | 0dB FS => 8 to 24dBu into 10kΩ load (user settable) 0dB FS => 8 to 22dBu into 600Ω load (user settable) |
| Frequency Response | < ±0.1dB (20Hz to 20kHz) |
| Dynamic Range | 24 bit |
| THD+N | > 90dB RMS @ 1kHz with 24dBu output |
| Crosstalk | > 90dB RMS (20Hz to 20kHz) |
Electrical | |
|---|---|
| Voltage | +12V DC |
| Power | 8 Watts |
| EMI/RFI | Complies with FCC Part 15 Class A, EU EMC Directive |
Physical | |
|---|---|
| Number of Slots | 1 |
Ordering Information
| 7721AD-A4-HD | HD/SD-SDI Audio De-embedder with 2 unbalanced AES and 4 analog audio outputs |
|---|---|
| 7721AD-A4-2HD | HD/SD-SDI Audio De-embedder with 4 analog audio outputs |
| 7721AD4-HD | HD-SDI Audio De-embedder with 4 unbalanced AES outputs (2 audio groups) |
| 7721AD4-B-HD | HD-SDI Audio De-embedder with 4 balanced AES outputs (2 audio groups) |
Ordering Options | |
|---|---|
| Notes | • Rear plate must be specified at time of order - eg: [model]+3RU |
| Rear Plate Suffix | |
|---|---|
| +SA | Standalone Enclosure Rear Plate |
| +3RU | 3RU rear plate for use with 350FR, 7700FR-C, 7800FR or 7801FR Multiframes |
Enclosures | |
|---|---|
| 350FR | Portable Multiframe which holds 7 single slot modules |
| 7700FR-C | 3RU Multiframe which holds 15 single slot modules |
| 7800FR | 3RU Multiframe which holds 15 single slot modules |
| 7801FR | 1RU Multiframe which holds up to 4 single slot or 2 dual slot modules |
| S7701FR | 7700 Series Standalone Enclosure |
Accessories | |
|---|---|
| 7800FC | VistaLINK® Frame Controller |
| CP-2116E-H | Remote Control Panel |
| CP-2232E | Remote Control Panel |