This program is called "KMPlayer" or KMP. It is a versatile multi media player which can cover a various different types of contained formats. Without any separate Codec, you are able to play any media files because KMP has its' own internal Codec.
Supported Codec are separated by internal & external. For the sound Codec, KMPlayer supports AC3, DTS, MPEG1, 2, AAC, WMA 7, 8, OGG & etc. and it additionally supports matrix function/normalizer function when internal sound Codec is being used.
Internal Codec gets processed inside of KMPlayer so it’s faster & safer. Also KMPlayer supports all the Codec from ffdshow and it additionally supports MPEG1/2. If you’re a user who finds it inconvenient to install Codec, who has a low CPU computer and/or a user who strives for an excellent multi-media playback player, you’ll be able to modify your environment to a convenient multi-media format by using KMP.