[HELP] Audio is ahead of video for half a second

# Imports

import vapoursynth as vs

import os

import ctypes

# Loading Support Files

Dllref = ctypes.windll.LoadLibrary("i:/Hybrid/64bit/vsfilters/Support/libfftw3-3.dll")

Dllref = ctypes.windll.LoadLibrary("i:/Hybrid/64bit/vsfilters/Support/libfftw3f-3.dll")

import sys

# getting Vapoursynth core

core = vs.core

# Import scripts folder

scriptPath = 'i:/Hybrid/64bit/vsscripts'

sys.path.insert(0, os.path.abspath(scriptPath))

# Loading Plugins

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/DebandFilter/Flash3kDeband/flash3kyuu_deband.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/SharpenFilter/AWarpSharp2/libawarpsharp2.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/Support/TCanny.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/Support/vcm.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/Support/libtemporalmedian.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/GrainFilter/RemoveGrain/RemoveGrainVS.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/GrainFilter/AddGrain/AddGrain.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/DenoiseFilter/FFT3DFilter/fft3dfilter.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/DenoiseFilter/DFTTest/DFTTest.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/Support/EEDI3m_opencl.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/ResizeFilter/nnedi3/NNEDI3CL.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/Support/libmvtools.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/Support/scenechange.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/Support/fmtconv.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/MiscFilter/MiscFilters/MiscFilters.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/DeinterlaceFilter/Bwdif/Bwdif.dll")

core.std.LoadPlugin(path="i:/Hybrid/64bit/vsfilters/SourceFilter/LSmashSource/vslsmashsource.dll")

# Import scripts

import mvsfunc

import muvsfunc

import G41Fun

import fromDoom9

import SpotLess

import autowhite

import havsfunc

# source: 'C:\Users\Selur\Desktop\sync\Sample.avi'

# current color space: YUV422P8, bit depth: 8, resolution: 720x576, fps: 25, color matrix: 470bg, yuv luminance scale: limited, scanorder: top field first

# Loading C:\Users\Selur\Desktop\sync\Sample.avi using LWLibavSource

clip = core.lsmas.LWLibavSource(source="C:/Users/Selur/Desktop/sync/Sample.avi", format="YUV422P8", stream_index=0, cache=0, prefer_hw=0)

# Setting detected color matrix (470bg).

clip = core.std.SetFrameProps(clip, _Matrix=5)

# Setting color transfer info, when it is not set

clip = clip if not core.text.FrameProps(clip,'_Transfer') else core.std.SetFrameProps(clip, _Transfer=5)

# Setting color primaries info, when it is not set

clip = clip if not core.text.FrameProps(clip,'_Primaries') else core.std.SetFrameProps(clip, _Primaries=5)

# Setting color range to TV (limited) range.

clip = core.std.SetFrameProp(clip=clip, prop="_ColorRange", intval=1)

# making sure frame rate is set to 25

clip = core.std.AssumeFPS(clip=clip, fpsnum=25, fpsden=1)

clip = core.std.SetFrameProp(clip=clip, prop="_FieldBased", intval=2)

# setting field order to what QTGMC should assume (top field first)

clip = core.std.SetFrameProp(clip=clip, prop="_FieldBased", intval=2)

# Deinterlacing using QTGMC

clip = havsfunc.QTGMC(Input=clip, Preset="Fast", TFF=True, opencl=True) # new fps: 50

# make sure content is preceived as frame based

clip = core.std.SetFieldBased(clip, 0)

# adjusting color space from YUV422P8 to RGB24 for vsAutoWhite

clip = core.resize.Bicubic(clip=clip, format=vs.RGB24, matrix_in_s="470bg", range_s="limited")

# Color Adjustment

clip = autowhite.AutoWhite(clip=clip)

# adjusting color space from RGB24 to YUV444P8 for vsSpotLess

clip = core.resize.Bicubic(clip=clip, format=vs.YUV444P8, matrix_s="470bg", range_s="limited")

clip = SpotLess.SpotLess(clip=clip, radT=1)

# stabilizing using StabilizeIT

clip = fromDoom9.StabilizeIT(clip=clip,thSCD2=140)

# cropping the video to 694x556

clip = core.std.CropRel(clip=clip, left=10, right=16, top=12, bottom=8)

# denoising using FFT3DFilter

clip = core.fft3dfilter.FFT3DFilter(clip=clip, sigma=8.00, planes=[1,2])

# denoising using mClean

clip = G41Fun.mClean(clip=clip)

# Resizing using 10 - bicubic spline

clip = core.fmtc.resample(clip=clip, kernel="spline16", w=704, h=568, interlaced=False, interlacedd=False) # resolution 704x568

# adjusting output color from: YUV444P16 to YUV422P10 for x264Model

clip = core.resize.Bicubic(clip=clip, dither_type="error_diffusion", format=vs.YUV422P10, range_s="limited")

# set output frame rate to 50fps

clip = core.std.AssumeFPS(clip=clip, fpsnum=50, fpsden=1)

# Output

clip.set_output()