Page Type: SYMPTOM
On rare occasion, a feed site PC appears to be incapable of supporting more than three radio scanners. The reason is unknown. When this occurs, one of the audio inputs produces unacceptable results. This error message indicates the condition.
HNP is likely due to limited resources at some specific bottleneck inside either the USB system or Windows Audio system. The issue is not caused by high CPU load or memory usage, so a check of these PC resources will usually show as normal.
For more information about the issue (named HNP for Horrible Noise Problem):
[FAQ-1063] RCX Severe Audio Distortion Problem
This URL contains a short sample: http://rangecast.com/resource/hnp.mp4