Audio Input and Output
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Audio Input and Output
You can connect a commercially available microphone with a
3.5 mm stereo mini plug to the MIC terminal.
The audio from the external microphone will be output from the 3G/HD-SDI terminal or HDMI OUT terminal,
or via the network.
Audio Input
Connection Diagram
If you connect a commercially available plug-in power microphone (generally, an electret condenser
microphone that requires external power), you will need to perform the procedure below to supply power to
the MIC terminal.
Supplying Power to a Plug-in Power Microphone
When using the camera via the network, refer to
Network Operation
Guide
.
1 Open the [MIC Power] submenu.
[Audio/Video Setup]
>
[MIC Power]
2 Select [On] and then press SET.
IMPORTANT
• Supplying power to a microphone without plug-in power functionality may damage the microphone.
Audio Output
The camera features 2-channel linear PCM audio output from the 3G/HD-SDI terminal or HDMI OUT terminal.
The sampling frequency is 48 kHz and the audio bit depth is 16 bit. The audio output also from the network
terminal is of 1-channel (monaural) G.711 μ-law format (sampling frequency 8 kHz, audio bit depth 8 bits). The
audio from the external microphone will be output with the video signal and can be recorded with an external
recorder connected to the camera.
MIC (microphone) terminal
φ3.5 mm (φ0.14 in.) stereo mini jack for plug-in power microphones
Supplied voltage: 2.8 V DC (bias resistance 2.2 kΩ)
Sensitivity: -72 dBV (full scale -18 dB) / 600 Ω
[Audio/Video Setup]
[MIC Power]
[Off ]
