Audio Issue in Ucob

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Date & Time: 9.00PM 23rd May 2018
Frequency: Always
World name: Tonberry
Character name: Mocha Fafa
Retainer name: -
NPC name: -
Monster name: Twintania, Nael des Darnus, Bahamut
Class/Level: 70
Party or solo: Full Party
In-game time: -
Area and coordinates: The Unending Coil of Bahamut (Ultimate)
Housing: -
Steps:
1. Start the boss fight.
2. Pressing skill button
3. Sound of skill landed delayed, estimated 0.5s ~ 2s delay
4. The skill audio from the boss cast eg, Twintania ( Generate, Fire Spit, Death Sentence, etc) have delays as well.
*Add more steps if necessary

PS: Please fix this asap. I'm getting headache and throw up due to the sound issue.
- Party Member also having such audio issues

Connection Specs
- Type of internet connection/provider: Unifi 5mbps TmNet
- Modem maker/model number: -

-=-=-=-=-=-=- System Information -=-=-=-=-=-=-

SYSTEM_OS Windows 7 Ultimate 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_rtm.101119-1850)
SYSTEM_CPU Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz (4 CPUs), ~3.1GHz
SYSTEM_CORE_NUM SYSTEM_CORE_LOGIC 4 SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS BIOS Date: 03/02/11 14:57:53 Ver: 04.06.04
SYSTEM_LANGUAGE English (Regional Setting: English)
SYSTEM_MEMORY 8172.500MB
SYSTEM_VIRTUAL_MEMORY 8388607.875MB
SYSTEM_PAGE_FILE 16343.199MB
SYSTEM_STORAGE C:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 97.654GB SYSTEM_FREEDISC_SPACE 21.148GB
SYSTEM_STORAGE D:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 184.710GB SYSTEM_FREEDISC_SPACE 51.170GB
SYSTEM_STORAGE Z:\ SYSTEM_HARDDISK_DRIVE SYSTEM_TOTALDISC_SPACE 931.511GB SYSTEM_FREEDISC_SPACE 756.733GB
SYSTEM_DIRECTX_VERSION DirectX 11
SYSTEM_GRAPHICS NVIDIA GeForce GTX 970
SYSTEM_GRAPHICS_DEVICE \\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP GeForce GTX 970
SYSTEM_GRAPHICS_MAKER NVIDIA
SYSTEM_GRAPHICS_VRAM 3992.375 MB
SYSTEM_GRAPHICS_SHARED_VRAM 3830.250 MB
SYSTEM_GRAPHICS_DAC Integrated RAMDAC
SYSTEM_GRAPHICS_DISPLAY_MODE 1920 x 1080 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um
SYSTEM_GRAPHICS_DRIVER_VERSION 23.21.0013.9135
SYSTEM_GRAPHICS_DRIVER_DATE 26/3/2018 12:12:06 AM
SYSTEM_GRAPHICS_DRIVER_LANGUAGE English
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER 3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE SYSTEM_SUPPORT
SYSTEM_SOUND 2470W (2- NVIDIA High Definition Audio)
SYSTEM_SOUND_DEVICE_ID {CC7BE430-E74B-4A65-A75F-E6F76934D06B}
SYSTEM_SOUND_DEVICE_NAME nvhda64v.sys
SYSTEM_SOUND_DRIVER_VERSION 1.03.0036.0006
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 24/3/2018 9:13:29 AM
SYSTEM_SOUND Realtek Digital Output (Realtek High Definition Audio)
SYSTEM_SOUND_DEVICE_ID {5C6C9ED0-FFA2-4E8E-81E8-AAD837A59A40}
SYSTEM_SOUND_DEVICE_NAME RTKVHD64.sys
SYSTEM_SOUND_DRIVER_VERSION 6.00.0001.6299
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 25/1/2011 6:54:04 PM
SYSTEM_SOUND VoiceMeeter Input (VB-Audio VoiceMeeter VAIO)
SYSTEM_SOUND_DEVICE_ID {A50DCBDC-A371-423E-B06B-15FE1554122F}
SYSTEM_SOUND_DEVICE_NAME vbaudio_vmvaio64_win7.sys
SYSTEM_SOUND_DRIVER_VERSION 6.01.7600.16385
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 18/5/2018 12:12:50 PM
SYSTEM_SOUND Realtek Digital Output(Optical) (Realtek High Definition Audio)
SYSTEM_SOUND_DEVICE_ID {E71B9B79-C9E6-465E-8F17-AF8204BC2C9B}
SYSTEM_SOUND_DEVICE_NAME RTKVHD64.sys
SYSTEM_SOUND_DRIVER_VERSION 6.00.0001.6299
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 25/1/2011 6:54:04 PM
SYSTEM_INPUT {6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 3 SYSTEM_GAMEPAD_BUTTON 5 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Keyboard
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 128 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {3EFE2680-334A-11E8-8001444553540000}
SYSTEM_INPUT_NAME Razer Mamba
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 573 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {3EFE74A0-334A-11E8-8002444553540000}
SYSTEM_INPUT_NAME Razer Mamba
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 3 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {3EFE74A0-334A-11E8-8003444553540000}
SYSTEM_INPUT_NAME Razer Mamba
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 1 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {3EFE9BB0-334A-11E8-8004444553540000}
SYSTEM_INPUT_NAME Razer Mamba
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 1 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EC724ED0-28FD-11E6-8001444553540000}
SYSTEM_INPUT_NAME Razer DeathStalker Chroma
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 573 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EC72C400-28FD-11E6-8002444553540000}
SYSTEM_INPUT_NAME Razer DeathStalker Chroma
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 3 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EC72EB10-28FD-11E6-8003444553540000}
SYSTEM_INPUT_NAME Razer DeathStalker Chroma
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 1 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EC731220-28FD-11E6-8004444553540000}
SYSTEM_INPUT_NAME Razer DeathStalker Chroma
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 1 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EC733930-28FD-11E6-8005444553540000}
SYSTEM_INPUT_NAME Razer Kraken 7.1
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 2 SYSTEM_GAMEPAD_BUTTON 3 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EC736040-28FD-11E6-8006444553540000}
SYSTEM_INPUT_NAME Razer Kraken 7.1
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {EC738750-28FD-11E6-8007444553540000}
SYSTEM_INPUT_NAME Razer Kraken 7.1
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0