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Problem: Amplitude Clipping - "Buzziness"

If the signal amplitude is too high at some point along the analog voice path, when the voice signal is converted to a digital form amplitude clipping can occur.

Impact

Users report that speech may seem excessively loud and potentially "buzzy" or "fuzzy".

Example audio file with amplitude clipping:

Resolution

Verify the loss plan to see where the signal level may be too high. If you are able to capture and decode voice packet streams then use an audio editor to examine the speech signal for signs of high amplitude parts of the signal being clipped.

Tools:

Audio editor (e.g. CoolEdit)

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