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Configuring Reason > Configuring Reason - Pg. 33

HOW LOW CAN YOU GO? The whole point of using a program like Reason is to be able to play and sequence its virtual synths and sound modules in real-time. This is where making adjustments to the output latency of your audio card comes into play. An audio card's latency is determined by the assigned buffer size, which is found in the Audio page of the Preferences window. A buffer is used to hold, or collect, data temporarily in a specific location. Simply put, the larger the buffer assigned to your audio card, the more data is stored before it is sent to the audio outputs. This is what causes latency. So, the name of the game here is to lower the buffer size to produce less latency. Although it is tempting to try to use the lowest possible buffer setting in Reason, this sometimes produces bad audio results. While you are expecting to hear audio bliss through Reason, you might end up hearing a lot of nasty pops and clicks in the playback of your Reason songs. The simplest explanation for this is that the lower the buffer setting, the higher strain it puts on your CPU. If you have a faster computer, sometimes this is not a problem. But if you are using a slower computer, it's probably a better idea to increase the buffer. The last page you'll look at in this window is the MIDI preferences page. Select the MIDI page from the pull-down menu; it should look something like Figure 2.18. The Port pull-down menu allows you to select the MIDI input device that will be used to send MIDI messages to the Reason sequencer. As you can see in Figure