Audio - Idis DR-2516P Operation Manual

Part 2 - Configuration

Audio

Configure audio recording settings for all cameras
simultaneously.
● Associated Audio In: Associates the selected audio
channel with the camera. It is supported by video
encoders only.
● Audio Codec: Select an audio codec. (G.711 u-Law,
G.711 a-Law, ADPCM 16KHz or G.726)
● Audio In
– Device: Select an audio input source (microphone,
line-in or HDMI) and then adjust the volume.
– Auto detection: Detects the audio input and
automatically selects the audio-in device.
– Volume Control: Adjust the volume manually or
automatically. Select the Auto option to adjust
the volume automatically depending on the
surrounding circumstances.
– Volume: Adjust the volume manually by using the
slider.
– Noise Filter: reduces the environmental noise
and enhances the voice. If you turn on the noise
filter, the sound may be distorted somewhat. We
recommend that you do not use this function in a
loud place because it may degrade performance.
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● Audio Out: Adjust the volume.
Cameras do not feature built-in audio amplifier units
and therefore require the user to purchase a speaker
system with a built-in amplifier separately.