Help with Whisper.net (AI Voice detection)

using System;
using System.Diagnostics;
using System.IO;
using System.Text;
using Whisper.net;
using Whisper.net.Ggml;

string inputVideo = "copy.mp4";
string outputVideo = "output.mp4";
string audioFile = "temp.wav";
string assFile = "subtitles.ass";
string model = "ggml-large-v3-turbo-q8_0.bin";

using var whisperFactory = WhisperFactory.FromPath(model);

using var processor = whisperFactory.CreateBuilder()
    .WithLanguage("fr")
    .Build();

RunFFmpeg($"-i {inputVideo} -ar 16000 -ac 1 -f wav {audioFile}");

using var fileStream = File.OpenRead(audioFile);
using var writer = new StreamWriter(assFile, false, new UTF8Encoding(false));

writer.WriteLine("[Script Info]");
// Format for .ass file ...

await foreach (var result in processor.ProcessAsync(fileStream))
{
    string text = result.Text.Trim();

    if (string.IsNullOrWhiteSpace(text))
        continue;

    string start = FormatAssTimestamp(result.Start);
    string end = FormatAssTimestamp(result.End);

    writer.WriteLine($"Dialogue: 0,{start},{end},Default,,0,0,0,,{text}");
}

writer.Close();  

RunFFmpeg($"-i {inputVideo} -vf \"ass={assFile}\" -c:a copy {outputVideo}");

static string FormatAssTimestamp(TimeSpan ts)
    => $"{ts.Hours}:{ts.Minutes:D2}:{ts.Seconds:D2}.{ts.Milliseconds / 10:D2}";


void RunFFmpeg(string argument)
{
    Process proc = new Process()
    {
        StartInfo = new ProcessStartInfo()
        {
            FileName = "ffmpeg",
            Arguments = $"-y {argument}",
            UseShellExecute = false,
            CreateNoWindow = true,
            RedirectStandardOutput = true,
            RedirectStandardError = true
        }
    };

    proc.Start();

// Read output ...

    proc.WaitForExit();
}

using System;
using System.Diagnostics;
using System.IO;
using System.Text;
using Whisper.net;
using Whisper.net.Ggml;

string inputVideo = "copy.mp4";
string outputVideo = "output.mp4";
string audioFile = "temp.wav";
string assFile = "subtitles.ass";
string model = "ggml-large-v3-turbo-q8_0.bin";

using var whisperFactory = WhisperFactory.FromPath(model);

using var processor = whisperFactory.CreateBuilder()
    .WithLanguage("fr")
    .Build();

RunFFmpeg($"-i {inputVideo} -ar 16000 -ac 1 -f wav {audioFile}");

using var fileStream = File.OpenRead(audioFile);
using var writer = new StreamWriter(assFile, false, new UTF8Encoding(false));

writer.WriteLine("[Script Info]");
// Format for .ass file ...

await foreach (var result in processor.ProcessAsync(fileStream))
{
    string text = result.Text.Trim();

    if (string.IsNullOrWhiteSpace(text))
        continue;

    string start = FormatAssTimestamp(result.Start);
    string end = FormatAssTimestamp(result.End);

    writer.WriteLine($"Dialogue: 0,{start},{end},Default,,0,0,0,,{text}");
}

writer.Close();  

RunFFmpeg($"-i {inputVideo} -vf \"ass={assFile}\" -c:a copy {outputVideo}");

static string FormatAssTimestamp(TimeSpan ts)
    => $"{ts.Hours}:{ts.Minutes:D2}:{ts.Seconds:D2}.{ts.Milliseconds / 10:D2}";


void RunFFmpeg(string argument)
{
    Process proc = new Process()
    {
        StartInfo = new ProcessStartInfo()
        {
            FileName = "ffmpeg",
            Arguments = $"-y {argument}",
            UseShellExecute = false,
            CreateNoWindow = true,
            RedirectStandardOutput = true,
            RedirectStandardError = true
        }
    };

    proc.Start();

// Read output ...

    proc.WaitForExit();
}