Configure the settings relating to audio Audio

Configure the settings relating to audio [Audio]

Click the [Audio] tab on the "Camera setup" page. (☞ page 26)

The following are descriptions for when the settings relating to audio from CH1 is configured on this page.

[Audio mode]

Select the communication mode used for audio data transmission/reception between the unit and the PC from the following.

OFF: Does not transmit audio from the unit to the PC. Therefore, the settings and controls relating to audio will be invalidated.

Mic input: The PC receives audio data from the unit. Audio can be heard with images on the PC. Images and audio will not be synchronized.

Audio output: Audio data from the PC will be transmit- ted to the unit. Audio can be heard from the speaker connected to the unit.

Interactive: The PC receives audio data from the unit. Audio can be heard with images on the PC. Audio transmitted from the PC to the unit can also be heard from the speaker connected to the unit (Transceiver type). However, audio data cannot simultaneously be transmitted and received.

Default setting: OFF

Note:

When "Multicast" is selected for "Transmission type" of "MPEG-4 setup" in the "MPEG-4 setup" section of the [JPEG/MPEG-4] tab of the "Camera setup" page (☞ page 28), it is impossible to carry out the audio output operation while monitoring MPEG-4 image. To carry out the audio output operation, click the [JPEG] button.

[Audio bit rate]

Select "16 kbps" or "32 kbps" for the audio bit rate used to transmit/receive audio data.

Default setting: 32 kbps

[Mic input interval (Unit to PC)]

Select an interval for audio reception from the following. 20 msec/40 msec/80 msec/160 msec

Default setting: 40 msec

Note:

When a shorter interval is selected, the delay time will be shorter. When a longer interval is selected, audio interruption may be diminished even though the delay time will be longer.

Select the interval according to the network environ- ment.

[Audio output interval (PC to Unit)]

Select an interval for audio transmission from the follow- ing.

160 msec/320 msec/640 msec/1280 msec Default setting: 640 msec

Notes:

•When a shorter interval is selected, the delay time will be shorter. When a longer interval is selected, audio interruption may be diminished even though the delay time will be longer.

Select the interval according to the network environ- ment.

•Audio may temporarily be interrupted or noise may be heard when panning, tilting or zooming the cam- era, or when multiple users are accessing concur- rently. It may be possible to diminish the interruption or noise by setting a longer interval for "Audio output interval (PC to Unit)".