Please provide the following information:
Any Hardware (Camera, capture card, etc) and how it's connected
Results of a speed test run to New York, NY at www.newyork.speedtest.net
Additionally, try restarting your channel and let me know if that helps the issue:
-Go to your Account Center
-Click the 'More' button at the far right of your channel
-From the options that roll out below your channel, click 'Restart'