Compression Compression can help you save lots of hard drive space. To change recording data rate, please click on Setup and then select Compression tab. To record high motion content, you may select the higher data rate to have better video quality. To setup a data rate manually, Click on Video Enter desired video data rate Select audio data rate Note the compression data rate here also applies to realtime streaming. Desired recording and broadcasting frame rate Enter a number for the recording frames per second.