The MA-1851 is an audio decoder that supports MPEG-4 AAC audio input. HDMI×1 MPEG-4 AAC 22.2ch/5.1ch/2ch audio signals can be decoded and output through HDMI×3 or MADI×1. Makes it easy to construct a 22.2 Ch acoustic system.
Features
●Can decode MPEG-4 AAC 22.2ch/5.1ch/2ch
●Automatically tracks the input audio mode
●Supports ARC/eARC input
●Supports HDMI(8ch)×3 output and MADI (24ch)×1 output
●Audio output delay function
●Displays input status and an audio level meter
Connection Example
HDMI Input | ||
Number of Systems | 1 system | |
Video | Connector | Compatible with HDMI Type A |
Compliant Standard | HDMI 1.4（1920×1080 60p/59.94p） | |
Color Format | RGB 4:4:4 8bit | |
Audio | Compliant Standard | MPEG-4 AAC |
Sampling Frequency | 48 kHz/96 kHz | |
Audio Mode | 22.2-channel, 5.1-channel, stereo | |
Other | EDID function not supported, HDCP not supported | |
HDMI Output |
| |
Number of Systems | 4 systems (One channel supports 22.2 channels, 5.1 channels, and stereo ARC/eARC.) | |
Video | Connector | Compatible with HDMI Type A |
Compliant Standard | HDMI 1.4（1920×1080 60p/59.94p） | |
Color Format | RGB 4:4:4 8bit *Fixed pattern output | |
Audio | Compliant Standard | Linear PCM |
Sampling Frequency | 48 kHz | |
Number of Audio Channels | 8ch | |
Other | HDCP not supported | |
MADI Output |
| |
Number of Systems | 1 system |
|
Connector | BNC 75Ω |
|
Format | AES10-2008 |
|
Data Length | 24 bit |
|
Sampling Frequency | 48 kHz | |
Number of Audio Channels | 24 channels |
|
Delay Amount |
| |
Delay Amount | Device delay 40ms + Delay Time Set value 0-100 ms | |
General Specifications | ||
Power-Supply Voltage | AC100-240V（50/60Hz） | |
Power Consumption | 35W MAX |
|
Operating Temperature Range | 5～40℃ |
|
Operating Humidity Range | 20 to 80% (No condensation) | |
External Dimensions | 430（W）×44（H）×250（D）mm (excluding protrusions) | |
Weight | 2.5㎏ |
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