Volume lowered when plugging in USB cable

[Baccanale]

Greetings, Darte!
Thank you for taking the time to post your concerns about the volume dropping. In order to make sure that we have enough information for an investigation, it would be a great help to us if you filled out the following form:

Thread Title:
Short outline explaining what sort of issue you are experiencing.

Platform:
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ISP:
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Frequency:
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3.Once (Did not reproduce)
4.Unknown

Character Name:
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Race:
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(Eleze M, Eleze F, Hyur M, Hyur F, Lalafell M, Lalafell F, Miqo'te, Roegadyn)

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Thanks for your participation!

[Darte]

Thread Title: Volume lowered when plugging a cable into USB port while playing XIV
Whenever I plug in a USB cable into my computer while FFXIV is running, the in game volume (both ambient and sound effects) are lowered to about half of what I have it set at (maximum). So far, relogging seems to fix this problem.

Platform:
PC

ISP:
Comcast

Type of Internet Connection:
Cable

Internet Connection Speed:
10Mbit/s

Date & Time:
First occurred April 14th shortly after the maintenance ended for Patch 1.7

Frequency:
State how frequently the issue occurs. Please select from the following.
1.Always

Character Name:
Dart Erhardt

Race:
Hyur Male

World:
Rabanastre

Class/Skill Rank:
Thaumaturge/39

Physical Level:
50

Area and Coordinates:
Uldah Guild Leve Counter

In-Game Time:
Don't have this info, I believe it might have been noon.

Steps:
1: Load up FFXIV in windowed mode
2: Log in with my character
3: With my computer in focus of FFXIV, plug in a USB device so that windows makes the "device connected" sound.
4: Volume gets lowered to about half of what it currently is.