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The software ships with a loose set of channel changing timing parameters that suits best for a wide range of setups out there. The reasons for these default values are that:

• Many set-top-box exists, some slower than others
• Many channel changing methods are available, some slower that others

The good news is that you can optimize these settings for your own setup. You can experiment and tune the parameters listed under Advanced Settings in Source Properties window. The default values are tuned for the use of the device nternal IR Blaster and a more or less slow set-top-box:

• Channel Change Stream Discard Duration set to 2000 by default
• Channel Change Stream Stable Duration set to 3000 by default

A first start is trying to cut these values half way:

• Channel Change Stream Discard Duration to 1 second (1000).
• Channel Change Stream Stable Duration to 1.5 seconds (1500).

Then see how your channel changing behaves over many channel changes and over time. Wrongly tune values would cause the following behaviors:

• video/audio glitching during channel change
• lost of “TV signal” during channel change
• failure to change channel

Note that you cannot diminish Channel Change Stream Discard Duration too much, since we have to discard all the packets from the channel we are changing from until we start receiving packets on the channel we are changing to.

For more advanced details about the impacts of those timing parameters, please refer to the documentation included in Config.xml.

Note: The DVBLink server must be restarted for these parameters to take effect.