![background image](http://html.mh-extra.com/html/panasonic/wv-v6430l/wv-v6430l_operating-instructions-manual_1511966036.webp)
32
7.2.1.6 Audio
The [Audio] interface is shown as below. See Figure 7-11.
Figure 7-11
Refer to the following sheet for detailed information.
Parameter
Function
Enable
Check Enable: the stream is A/V composite stream, otherwise it contains
video only.
Note:
Audio can be enabled only when video is enabled.
Compression
The compression includes G.711Mu, G.726 and AAC.
Note:
•
The audio encode mode set here can make both audio stream and
bidirectional talk valid at the same time.
Only AAC is supported for recording audio to SD card.
Sampling frequency
It includes 8k, 16k, 32k and 48k. It is 8k by default.
It can be selected only 8k when selecting G.726 and G.711Mu.
Audio in type
It is to set audio input type from LineIn and Mic.
Device needs to connect external audio input source under LineIn mode,
and it doesn’t need to connect external audio input source under Mic mode.
Noise filter
It is to set to enable noise filter function. It is disabled by default.
Microphone volume
It is to adjust the volume of the microphone; the value range is from 0 to 100.
Speaker volume
It is to adjust the volume of the speaker; the value range is from 0 to 100.