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Identify audio codec by audio tag

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An audio tag is a (16 bit) binary number indicating which audio codec was used to encode the audio in a given media file. Audio tags are usually expressed as decimal numbers or HEX numbers, and this page contains both versions.

On this page you can:

How to find the audio tag

To find the audio tag of a media file use a media inspection tool such as:

Audio tags and their corresponding audio codecs

Decimal Hex Audio codec
10250x401Intel Music Coder (IMC)

1170x75VoxWare MetaSound

264470x674fOgg Vorbis Codec

264790x676fVorbis Ogg ACM Codec 1.0

264810x6771Ogg Vorbis MSACM Codec

3040x130ACELP.net Audio Codec

3530x161DivX ;-) Audio Compressor

500x32MSN Audio

690x45G 726 Audio Codec

81920x2000AC3 filter

fccHandler AC-3 ACM
Freeware

850x55MPEG-1 Layer 3 Codec

Did not find the audio tag?

Go to our audio codecs forum and post your request.

What is not listed here

Filters/decoders and codec packs are not included on this page. This is bacause they implement many different codecs in one package. This page shows individual codecs only.