MBONE: Multicasting Tomorrow's Internet
Audio in Your New Event
The visual audio tool, or vat, is a program for sending and receiving audio via the MBONE. The main vat window, shown in Figure 5-6, is a fairly simple window with few controls. On the left you can see a list of people who are participating in your event. At the moment, I am the only one. On the right you have two volume sliders, one for received audio and one for the microphone. Next to each volume slider is a meter. The meter for received audio indicates the volume of the audio you receive from the event. The meter for the microphone level indicates the volume of the sound when you talk into the microphone. Two buttons at the top right allow you to mute the sound from the session and also mute the microphone. Selecting the Menu button gives you a second window in which you can set various parameters. See Figure 5-7.
Figure 5-6: The main vat window.
In this second window, various settings can be adjusted, including the priority of the sound. High-priority sound uses more bandwidth but sounds better; low-priority sound allows more packets to be dropped if necessary, due to network congestion, so your audio may not sound as clear to other listeners.
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