--- /dev/null
+diff -rupN jack-1.9.7.old/linux/freebob/JackFreebobDriver.cpp jack-1.9.7/linux/freebob/JackFreebobDriver.cpp
+--- jack-1.9.7.old/linux/freebob/JackFreebobDriver.cpp 2011-03-30 11:04:28.000000000 -0400
++++ jack-1.9.7/linux/freebob/JackFreebobDriver.cpp 2011-04-03 09:56:03.000000000 -0400
+@@ -768,7 +768,7 @@ int JackFreebobDriver::Attach()
+ }
+ port = fGraphManager->GetPort(port_index);
+ // Add one buffer more latency if "async" mode is used...
+- range.min = range.max = (driver->period_size * (driver->device_options.nb_buffers - 1)) + ((fEngineControl->fSyncMode) ? 0 : fEngineControl->fBufferSize) + driver->playback_frame_latency);
++ range.min = range.max = (driver->period_size * (driver->device_options.nb_buffers - 1)) + ((fEngineControl->fSyncMode) ? 0 : fEngineControl->fBufferSize) + driver->playback_frame_latency;
+ port->SetLatencyRange(JackPlaybackLatency, &range);
+ fPlaybackPortList[i] = port_index;
+ jack_log("JackFreebobDriver::Attach fPlaybackPortList[i] %ld ", port_index);