音乐分离

复制import subprocess
import os

# 调用 Demucs 分离音频为四轨（人声/伴奏/鼓/贝斯）
input_file = "song.mp3"
output_dir = "./separated"

# Demucs 默认输出到 separated/htdemucs/<filename>/
cmd = [
    "python", "-m", "demucs",
    "--two-stems", "vocals",  # 仅分离人声+伴奏（更快）
    "-o", output_dir,
    input_file
]

result = subprocess.run(cmd, capture_output=True, text=True)
if result.returncode != 0:
    print("分离失败:", result.stderr)
else:
    print("分离完成，输出目录:", output_dir)
    # 查看生成文件
    base = os.path.splitext(os.path.basename(input_file))[0]
    out_path = os.path.join(output_dir, "htdemucs", base)
    for f in os.listdir(out_path):
        print(f)  # vocals.wav, no_vocals.wav, drums.wav, bass.wav

复制package main

import (
	"fmt"
	"os/exec"
	"path/filepath"
)

func main() {
	inputFile := "song.mp3"
	outputDir := "./separated"

	// 通过命令行调用 Demucs（需预先安装 demucs 和 Python）
	cmd := exec.Command("python", "-m", "demucs",
		"--two-stems", "vocals",
		"-o", outputDir,
		inputFile,
	)

	output, err := cmd.CombinedOutput()
	if err != nil {
		fmt.Printf("分离失败: %v\n%s\n", err, output)
		return
	}

	// 输出文件路径示例
	base := filepath.Base(inputFile)
	ext := filepath.Ext(base)
	stemName := base[:len(base)-len(ext)]
	outPath := filepath.Join(outputDir, "htdemucs", stemName)
	fmt.Printf("分离完成，文件位于: %s\n", outPath)
	// 列出文件（需手动遍历）
}

复制const { execSync } = require('child_process');
const path = require('path');

const inputFile = 'song.mp3';
const outputDir = './separated';

try {
  // 调用 Demucs（Node.js 中执行 Python 命令）
  execSync(
    `python -m demucs --two-stems vocals -o ${outputDir} ${inputFile}`,
    { stdio: 'inherit' }
  );

  const base = path.basename(inputFile, path.extname(inputFile));
  const outPath = path.join(outputDir, 'htdemucs', base);
  console.log('分离完成，输出目录:', outPath);
} catch (err) {
  console.error('分离失败:', err.message);
}