{"success":true,"data":{"ext":"acm","name":"MS audio compression manager driver","description":"Audio Compression Manager (ACM) is a legacy Microsoft driver format maintained as part of the Windows audio subsystem. It is used to provide audio codec support for encoding and decoding compressed sound data in older multimedia applications and system components. As an older Windows format, it is generally safe, though compatibility may be limited on modern systems and files from untrusted sources should still be handled carefully.","mime":[],"risk_level":"Safe","signatures":[{"hex":"4D 5A","offset":0,"sources":[{"name":"Gary Kessler","url":"https://www.garykessler.net/library/file_sigs_GCK_latest.html"}]}],"related":[],"usage":{"python":"def is_acm(file_path: str) -> bool:\n    \"\"\"Check if file is a valid ACM by magic bytes.\"\"\"\n    signature = bytes([0x4D, 0x5A])\n    with open(file_path, \"rb\") as f:\n        return f.read(2) == signature","node":"function isACM(buffer: Buffer): boolean {\n  const signature = Buffer.from([0x4D, 0x5A]);\n  return buffer.subarray(0, 2).equals(signature);\n}","go":"func IsACM(data []byte) bool {\n    signature := []byte{0x4D, 0x5A}\n    if len(data) < 2 {\n        return false\n    }\n    return bytes.Equal(data[:2], signature)\n}"}}}