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4.16 Digital audio
4.16.1 Digital audio
The embedded audio and high-bit-rate audio (HDMI only) can be superimposed and output from the
HDMI and DisplayPort connectors. The high-bit-rate audio is optionally supported. For further details,
contact an ASTRODESIGN sales representative or your dealer.
The audio sources supported for each output are listed in the table below.
HDMI DisplayPort Audio Source
VM-
1817
VM-1822
(ARC)
VM-1823
VM-1820 VM-1820A VM-1826
SDI
Ext. Optical
External digital input
(optical)
( ( ( (Max.
96KHz)
*1
( ( (
Ext. COAXIAL External digital input
(coaxial)
( ( (
(Max.
96KHz)
*1
( (
Ext. Analog to
L-PCM
External analog input
(L-PCM output)
(
( ( (
(
(
Ext. Analog
to DSD
External analog input
(DSD output)
(
( ( (
(
(
Int. L-PCM Internal output
(L-PCM)
( (
(Max.
96KHz)
*1
(
(Max. 96
kHz) *1
( (
(48kH
z)*2
Int. Non L-PCM Internal output
(non-L-PCM, memory
incorporated)
Option ( (
(
(
Int.L-PCM
(Flash)
Internal output
(non-L-PCM, memory
incorporated)
Option ( (
(
(
Int. DSD
Internal output (DSD)
Option
Ext. I2S L-PCM
External I2S input
(L-PCM)
Option
Ext. I2S
Non L-PCM
External I2S input
(non-L-PCM)
Option
“”: Supported
“
”: Not supported (output is set to OFF even it is selected)
“Option”: Optionally supported (For further details, contact ASTRODESIGN sales representative or
your dealer.)
Note)
*1 Maximum sampling rate of DisplayPort (VM-1820 / 1820A) is 96 kHz.
*2 The sample rate with SDI outputs is fixed at 48 kHz for all the settings.