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Miranda AMX-1842 HD/SD 4 AES Digital Audio Embedder w/ AMX-1842-75-DRP Backplane
$499.00
Shipping Options in Cart
3 in stock
Description
The AMX-1842 is a high-quality embedder which embeds up to four AES 24-bit 48kHz digital audio signals into a single HD/SD serial digital video signal. It includes audio and video signal presence detection and reporting, and local or remote configuration and control. A unique feature is its ability to embed timecode, a serial RS-422 data signal and two GPI status signals into the video signal. The card has built-in audio tone, timecode and video color bar test signals.
Key Features
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- Automatic EQ for up to 110/250m (360/820 ft.)
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- Automatic detection of video input format
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- Continuity of embedded audio on loss of video input
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- 110 ohm balanced or 75 ohm unbalanced input
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- Input SRC to handle asynchronous audio
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- Audio channel gain selectable
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- Audio group insertion/bypass/delete
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- Selectable audio delay of up to 3 frames
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- Automatic mute on AES error
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- Selectable routing of AES signals
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- Left/right channels swappable
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- 24-bit digital audio embedding
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- Linear timecode (LTC) embedding
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- RS-422 input for embedding as ANC data
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- GPI inputs for embedding as ANC data
Specifications
VIDEO INPUT
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- Video signal: HD/SD-SDI SMPTE 292M / SMPTE 259M-C
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- Cable length: Up to 110/250m (360/820 ft.) of Belden 1694A
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- Return loss: >15 dB, 5 MHz to 1.485 GHz
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- Signal: AES-3id (SMPTE 276M)
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- Impedance: 75Ω unbalanced
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- Cable length: >400m (1,312 ft.)
AUDIO AES3 INPUT
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- Cable length: >200m (656 ft.)
AUDIO AES SIGNALS
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- Sampling rate: 48 kHz synchronous or asynchronous
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- Dolby-E rate: 48 kHz synchronous
LTC SIGNAL
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- Signal: LTC per SMPTE 12M
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- Impedance: <10 kΩ (bridging 600Ω) unbalanced
VIDEO OUTPUT
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- Video signal: HD/SD-SDI (SMPTE 292M / SMPTE 259M-C)
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- Audio embedded per SMPTE 299M / SMPTE 272M
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- LTC embedded as ATC/DVITC (SMPTE RP188/SMPTE 266M)
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- RS-422 and two GPIs embedded as ANC data per SMPTE 291M (Proprietary type 1 DID)
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- Return loss: >15 dB up to 1.485 GHz
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- Wideband jitter: as per SMPTE-259M-C and 292M
ANC SERIAL DATA INPUT
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- Rate: 38.400 or 115.200 Bd
ANC GENERAL PURPOSE INTERFACE (GPI) INPUT
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- Signal (2): Contact closure (opto-isolated), common ground
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- Level: True = 0 to 0.8 V (max.)
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- Maximum input voltage = ±5.5 V
PROCESSING PERFORMANCE
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- Signal path: 10-bit video / 24-bit audio
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- Audio latency: 875 µs (combined embedding and extraction*)
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- Audio delay: Up to 3 video frames (1/2 frame steps)
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- ATC/DVITC delay: None, 1, 2 or 3 frames before translation to LTC
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- RS-422 latency: 500 µs max. (combined embedding and extraction*)
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- GPI latency: 4 video lines (combined embedding and extraction*)
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- Test signals: Audio: 1 kHz tone (R steady, L pulsed) -18 dBFS (EBU R49, R68)
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- LTC: 10s loop starting at 23:59:00:00
RS-422
GPI
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- Test signals: Video – color bars 100%
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- Audio – 1 kHz tone (R steady, L pulsed) -18 dBFS (EBU R49, R68)
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- LTC – 10s loop starting at 23:59:00:00
ELECTRICAL
Additional information
Weight |
4 lbs |
Dimensions |
12 × 9 × 4 in |