Axis 216FD User Manual

Also see for Axis 216FD: Installation guide Specifications Product guide User manual User manual

Axis 216FD User Manual Manual pdf 24 page image

24AXIS 216FD/FD-V/MFD/MFD-V - AudioAudio ChannelsAudio modeHalf-duplex mode transmits and receives audio in both directions, but only in onedirection at a time. This means that you must select when to receive or transmit audio withthe push-to-talk button. To speak, press and hold the button (check that the microphone isnot muted). When finished speaking, release the button and you will receive audio fromthe other end of the connection.Note that the push-to-talk button is configured from AMC, see AXIS Media Control, onpage 18. It is also possible to configure the push-to-talk button so that it toggles betweenspeaking and listening modes.When selecting Simplex - Network Camera speaker only mode, the speaker connected tothe camera will play audio, but no audio will be transmitted from the camera to other webclients. This could be used to e.g. provide spoken instructions to a person seen in thecamera. This mode requires you to use the push-to-talk button.Simplex - Network Camera microphone only mode transmits audio only from the AXIS216FD/FD-V/MFD/MFD-V to web clients. It will not receive audio from any other webclients. This can be used in remote monitoring, web attractions etc., to provide live audio,as well as video, of a monitored situation.When using half-duplex, the Send the sound from the active client to all other clientsoption transmits the audio signal from the client that is talking to all the other clients.Audio InputAudio from an external microphone or a line source can be connected to the Audio inconnector of the AXIS 216FD/FD-V/MFD/MFD-V. The audio source must be set toMicrophone or Line depending on the connected device.Note: To prevent unauthorized listening, the internal microphone can be disabled by inserting a plug in the Audioin connector.The Enable microphone power option provides DC power for an external microphone. Ifusing a small electret condenser microphone such as a clip-on mic or a PC microphone,this option needs to be enabled.Note: To use a high impedance dynamic microphone, DC power should not be enabled. DC power will not harmthe microphone, but if you are uncertain, try switching it off and on. The default value is DC power enabled.To use a professional microphone requiring 48V phantom power, you need an external power supply andmust use a balanced-unbalanced converter (audio transformer) in between.If there are problems with the sound input being too low or high, adjust the input gain forthe microphone attached to the AXIS 216FD/FD-V/MFD/MFD-V.Select the desired audio Encoding format, AAC, G711, G726.