音频反转

复制from pydub import AudioSegment

# 加载音频文件（支持 mp3/wav/ogg 等）
audio = AudioSegment.from_file("input.mp3")

# 倒放：反转采样点顺序
reversed_audio = audio.reverse()

# 导出倒放结果
reversed_audio.export("output.mp3", format="mp3")
print("倒放完成：output.mp3")

复制package main

import (
	"fmt"
	"os/exec"
)

func main() {
	// 使用 FFmpeg 实现音频倒放
	// atempo=1 保持原速，areverse 反转音频流
	cmd := exec.Command("ffmpeg",
		"-i", "input.mp3",
		"-af", "areverse,atempo=1",
		"output.mp3",
	)

	if err := cmd.Run(); err != nil {
		fmt.Printf("倒放失败: %v\n", err)
		return
	}
	fmt.Println("倒放完成：output.mp3")
}

复制const fs = require('fs');
const wav = require('wav');

// 读取 WAV 文件并反转采样数据
const reader = fs.createReadStream('input.wav');
const writer = fs.createWriteStream('output.wav');

const decoder = new wav.Reader();
reader.pipe(decoder);

decoder.on('format', (format) => {
  const encoder = new wav.Writer(format);
  encoder.pipe(writer);

  const chunks = [];
  decoder.on('data', (chunk) => chunks.push(chunk));
  decoder.on('end', () => {
    // 合并所有数据块并反转字节顺序（16-bit 采样为例）
    const buffer = Buffer.concat(chunks);
    const reversed = Buffer.alloc(buffer.length);
    for (let i = 0; i < buffer.length; i += 2) {
      reversed[i] = buffer[buffer.length - i - 2];
      reversed[i + 1] = buffer[buffer.length - i - 1];
    }
    encoder.end(reversed);
    console.log('倒放完成：output.wav');
  });
});