DTS surround file signature
Magic number at the start of the file
A DTS core audio stream begins with the sync word 7F FE 80 01. DTS is a multi-channel surround format found on DVDs, Blu-rays and in home cinema.
What this magic number means
A magic number is a short, fixed run of bytes at a known position that tells a program what a file really is, no matter what the filename says. If a file starts with the bytes 7F FE 80 01, it is a DTS surround file.
Formats that use the 7F FE 80 01 signature
These file types in our database carry this signature:
How to check a file's signature
You can read the first bytes of any file yourself. The magic bytes are shown in hex, the same way this page lists them.
Linux & macOS
- xxd -l 16 example.dts
- hexdump -C -n 16 example.dts
- file example.dts
Windows (PowerShell)
- Format-Hex -Path example.dts -Count 16
Python
- open("example.dts","rb").read(4).hex()
In your browser
- Drop the file into the WhatFileType identifier, which reads the signature without uploading it.
Frequently asked questions
What is the DTS surround file signature?
DTS surround files start with the hex bytes 7F FE 80 01. This magic number identifies the format regardless of the file's name or extension.
How do I check a file's magic number?
Open the file in a hex editor, or run a command such as xxd -l 16 example.dts on Linux or macOS, or Format-Hex -Path example.dts -Count 16 in Windows PowerShell, and read the first bytes.
Can a file fake the DTS surround signature?
Renaming a file does not change its bytes, so the extension can lie but the signature usually cannot. A genuine DTS surround file has these exact bytes; a file with the wrong bytes is not really DTS surround, whatever its name says.