3Com pcXset - NBX - PC Getting Started Manual

Also see for PCXSET: Reference guide

Contents

Troubleshooting 19that 3Com recommends that you use your system’s USB audio capabilitiesrather than using sound card audio.Audio Buffers NeedAdjustingChoppy audio occurs during telephone conversations or during the audiotest in the Configuration Wizard, or there are delays in audio playbackduring telephone conversations.DescriptionThis problem is caused by incompatible audio buffer size settings.SolutionAudio buffer size settings are expressed as two values: Delay andMultiplier. The product of these numbers represents the overall size of thebuffer pool. Lower values for these numbers reduce echo delay. Highervalues increase audio quality. Change these values in any of these ways:■ Select Configuration Wizard > Audio > Audio Configuration■ Select Configuration Wizard > Mic > Audio Configuration■ Select Options > AdvancedThese numbers depend on your computer hardware and operatingsystem. Experiment with different value combinations to see how low youcan adjust the product of the delay and multiplier and still achieve goodaudio quality.Audio SoundsDistortedAudio sounds choppy while on a conference call.DescriptionYou must configure some Ethernet cards to accept all multicasts toimprove audio quality.Solution1 Run the pcXset software.2 Select Tools > Options > Advanced > Accept All Multicasts.Audio Stream Error This type of error occurs when the pcXset software is trying to play orrecord audio.