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Convert H264 to MP3

Can you convert H264 to MP3?
Verified by Adam B.· reviewed by FE Editorial ·updated Jul 18, 2026
QUICK ANSWER
Is it possible to convert H264 to MP3?
No - not a direct conversion.

A .h264 file has no audio channel by design, so no tool can produce .mp3 output from it. If your recording device captured audio, export from the DVR or NVR as MP4 (which can include an audio track) and then extract the audio from that MP4 file.

No direct path
Also to MP3: CAF · STS · OGA

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Tested on macOS, Windows & Linux
Last verified Sep 2026

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Why convert H264 to MP3?

A Raw H.264 / AVC Video Elementary Stream carries only compressed video frames - there is no audio channel in the format specification. .mp3 is an audio-only format, so there is nothing in the .h264 file to decode into audio. CCTV and DVR systems that export raw .h264 streams produce video-only output; any audio from the recording would be available through a different export format such as MP4.

How to convert H264 to MP3

Freemake Video Converter FREE

If you have an .mp4 export from the DVR that includes an audio track, open it in Freemake Video Converter and extract the audio as .mp3.

MediaCoder FREE

Open an .mp4 file with an audio track in MediaCoder, set the output to MP3 audio only, and convert.

Programs that convert H264

Freemake Video Converter
iPad Video Converter Factory Pro
MediaCoder
Adapter

About these formats

.H264 Raw H.264 / AVC Video Elementary Stream

An .h264 (or .264) file is a raw H.264 video stream - pure compressed video with no container, no audio, and no timing info, typically exported by a CCTV camera or DVR. VLC media player can…

Open .H264 details →
.MP3 MPEG-1/2 Audio Layer III

An MP3 file is a compressed audio recording - a song, podcast, audiobook, or ringtone. Almost every device plays it without extra software: double-click on Windows to open Media Player, on…

Open .MP3 details →

Quality & what to watch

  • No converter can extract audio from a .h264 file - the format contains no audio data by specification, not because of a software limitation.
  • If your device captured audio, check the DVR or NVR settings for an MP4 export option, which can contain both video and audio tracks.
  • Once you have an MP4 with an audio track, any audio extraction tool can produce an .mp3 from it.

Frequently asked questions

Why does my `.h264` file have no sound?
A raw H.264 elementary stream carries no audio by design - it is the encoder's video output only; audio from the camera, if any, was stored separately.
Can any converter extract MP3 from a `.h264` file?
No - there is no audio data in the file for any converter to decode; you need a file format that actually contains an audio track.
What if I want both video and audio from a CCTV clip?
Export from the source device as MP4 with audio enabled, then use a converter to extract the .mp3 from the MP4 file.