A guy working for A&T create it. His name is Jame Dalley.
YouTube uses the AAC audio codec for its videos.
DivX itself is a video codec and it uses AAC as audio codec.
You can find several video and audio codecs in the Combined Community Codec Pack, that you can find via google.
It would depend on the format of the audio file. However K-Lite codec pack should cover most of you bases. It is usually the only codec pack I install on a computer.
MPEG-3
MP3
The highest quality free audio codec is known as FLAC. It is lossless and has no compression, so when you listen to the music you are able to hear all the instruments with clarity.
If you only have audio but no video, or video but no audio, you are most likely missing a codec required to play the file. You need to find out what codec the video was encoded with, then download and install that codec. You might also check if a newer version of Windows Media Player is available by checking the optional updates section of Windows Update.
Use a program such as Audacity to create a WAV, OGG Vorbis or AIFF file. If you add on an open source MP3 codec, you can also create MP3 files.
Audio Codec 3 is a product of Dolby Laboratories.
Codec is a piece of software that translates video and audio data into and from proprietary formats of which MKV is one. It is the codec that enables the computer to interpret data from the proprietary source format.
No, MP4 is not a codec. MP4 is a file format used for storing digital multimedia content, while a codec is a software or hardware tool used to compress or decompress audio or video data.