C#实现中文录音文件转为文本文字

using NAudio.Wave;
using System;
 
public class AudioResampler
{
    public static void ConvertTo16kHz(string inputFile, string outputFile)
    {
        // 打开原始音频文件
        using (var reader = new WaveFileReader(inputFile))
        {
            // 创建目标音频格式 16kHz，单声道，16位
            var targetFormat = new WaveFormat(16000, 1); // 16000Hz, Mono, 16-bit
 
            // 创建转换流，使用 WaveFormatConversionStream 进行重采样
            using (var conversionStream = new WaveFormatConversionStream(targetFormat, reader))
            {
                // 将转换后的音频数据写入新文件
                WaveFileWriter.CreateWaveFile(outputFile, conversionStream);
                Console.WriteLine("文件已转换为 16kHz 格式");
            }
        }
    }
}
 
// 使用示例
class Program
{
    static void Main(string[] args)
    {
        string inputFile = @"path_to_input_file.wav";  // 输入文件路径
        string outputFile = @"path_to_output_file_16kHz.wav";  // 输出文件路径
        AudioResampler.ConvertTo16kHz(inputFile, outputFile);
    }
}

public async Task Analyze()
{
    //模型
    string modelFilePath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "ggml-medium-q8_0.bin");
    // 初始化Whisper工厂和处理器
    var whisperFactory = WhisperFactory.FromPath(modelFilePath);
    var processor = whisperFactory.CreateBuilder()
        .WithLanguage("zh") // 设置识别的语言为中文
        .Build();
    try
    {
        string audioFileName = "path_to_output_file_16kHz.wav";
        string audioFilePath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, audioFileName);
        // 读取音频文件
        using var audioStream = File.OpenRead(audioFilePath);
 
        // 处理音频文件并输出结果
        Console.WriteLine("Transcribing audio file...");
 
        await foreach (SegmentData result in processor.ProcessAsync(audioStream, default))
        {
            Console.WriteLine($"{result.Start}->{result.End}: {result.Text}");
        }
    }
    catch (Exception ex)
    {
        Console.WriteLine($"An error occurred: {ex.Message}");
    }
    Console.WriteLine("Press any key to exit...");
}

string modelFilePath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "ggml-medium-q8_0.bin");