How to Fix Unsupported AC3 in KMPlayer

I just updated my KMPlayer to version 3.9.138. The bad news is i just got a new codec error. My KMPlayer cannot process Dolby AC3 audio. I’m using Windows 7 by the way.

For those who not familiar with KMPlayer, it is a lightweight audio and video player for Windows that supports a wide range of different file formats, including AVI, ASF, WMV, AVS, FLV, MKV, and many more.

So how did I solved unsupported Dolby AC3 audio?

After checking its official support forum, I found there are several ways to fix this error. And below is they way which works well with my KMPlayer.

How to Fix Unsupported AC3 in KMPlayer

1. Download and install AC3 Filter.

2. Disable KMPlayer internal audio decoder: F2 > Filter Control > Decoder Usage > Internal Audio Decoder > check ALL Disable.

3. Load external AC3 Filter decoder: External Audio Decoder > External Audio Decoder Search > Add External Codec > search where you install the decoder > click OK.

4. Change your AC3 and DTS Audio setting to AC3 Filter.

That’s all! If you have any problems or want to share your experience, just post a comment below. 🙂