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HUAWEI VP9050 Executive Video Terminal
User Guide
5
Audio Settings
5.1 Connecting an Audio Device
Equipped with a microphone and a speaker, the terminal also provides AUDIO IN and
AUDIO OUT interfaces for connecting to external audio devices. Figure 1-3 shows the
interface location and Table 5-1 describes the audio interfaces.
If the AUDIO OUT interface is connected to an external speaker, audio can be output from the terminal to the external speaker, obtaining increased volume and better quality.
Table 5-1 Description of audio interfaces
Audio Input Interface Type
AUDIO IN
AUDIO OUT MAIN
Features of the Audio That Can Be
Received
Headset interface Mono audio channel/Stereo line input
Headset interface Mono audio channel/Stereo line output
5.2 Setting Audio Parameters
Before connecting the terminal to an audio device, set the audio parameters correctly to obtain better audio effects.
To set the terminal's audio parameters, do the following:
Step 1 Choose Settings > Audio, and then set the parameters listed in Table 5-2 and Table 5-3.
Issue 03 (2011-12-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
36
HUAWEI VP9050 Executive Video Terminal
User Guide
Table 5-2 Audio input parameters
Parameter
Left audio source
Right audio
source
Description
Using this tab, the names of the MIC and AUDIO IN interfaces can be set. A name can indicate the input interface so that you can identify the interface during a conference. The length of the value cannot exceed 128 bytes.
In addition, the MIC or AUDIO IN interface can be enabled so that the audio output by the device to which the MIC or AUDIO IN interface is connected are input; the MIC or AUDIO IN interface can also be enabled so that the audios output by the device to which the
MIC or AUDIO IN interface is connected are not input.
The parameters on this tab specify audio sources for the left and right audio channels in stereo mode.
By default, the MIC 1 and AUDIO IN L interfaces are the input sources for the left audio channel; the MIC 2 and AUDIO IN R interfaces are the input sources for the right audio channel.
To adjust the volume of MIC and AUDIO IN interface, move the sliders.
Table 5-3 Volume and sound effect parameters
Parameter
Volume
Description
You can move the slider using the arrow keys to adjust the volume of the speaker and alert tones.
Sound Effect
Step 2 Save the settings.
----End
Issue 03 (2011-12-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
37
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