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AXIS Q1602 N etwork Camera
Video and Audio
Source - Select Microphone for an external microphone or Line for a Line in device, e.g. an audio mixer for multiple microphones or
a microphone with a built-in amplifier.
Microphone power - Microphone power should only be used with e lectric microphones that have no battery and when using the
internal microphone. This setting should not be enabled when using a dynamic or battery powered microphone.
Input gain - Control the volume (dB Full Scale) of the audio input. If the sound is too low, choose a higher dB. If the sound is too
high, choose a lower dB. The Level bar gives a visual representation of the audio signal in dB Full Scale.
• Green — the signal is at a good level.
• Yellow — the signal is becoming distorted.
• Red — The signal is distorted
Encoding - Select digital audio encoding format.
• G711 is an unlicensed standard codec that is useful when integrating audio into a VoIP system.
• G726 is an unlicensed speech codec that is most commonly used within the security industry.
• ACC requires a license for both encoding and decoding. AAC is the least complicated a n d most widely used code c. If
achieving the best possible audio quality is a priority, AAC is the recommended codec to use. An AAC license is included
in the Axis product.
Sample rate - The number of times per second the sound is sampled. A higher sample rate will provide bette r audio quality, but
also requires a greater bandwidth.
Bit rate - Set the required bit rate depending on the selected encoding. A higher bit ra te will give better audio quality. A lowe r bi t
rate may have latency or delay, but will require less bandwidth.
For more information about these settings, please see the online help
.
Audio Output
An external speaker can be connected to the product’s Audio-out conn
ector. Confi gure the audio output settings under Video
&Audio> Audio Settings.
Output gain - Control the volume (dB Full Scale) of the line audio output. The output can be used with high impedance headphones or
connected to another am plifier with speakers. If the sound is too low, choose a higher dB. If the sound is too high, choose a lower dB.
Audio Clips
An audio clip is a sound file that can be played either when an event occurs or manually from the Live View page. Audio clips can
be uploaded to the product or recorded by a microphone connected to the produ ct.
You can add, play, download, modify and remove audio clips from Video & Audio > Audio Clips. For more in formation see the
online help
.
Note
Audio clips cannot be used if the product’s audio functionality is enabled. The audio functionality is enabled on the Audio
tab under Video & Audio > Video Stream.
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