![]() Most simple devices are only willing to read MP4 AAC song, and H.264 AVC video. If an encoder is name 2002, then that could mean it is encapsulating songs in MP2 format. When AAC first arrived, I think it may have spread a bit inside MP2 container before getting their popularity inside MP4 container. mp2 are container, thus it encapsulated the actual, raw data in its own format, specification, version… Container are all holding, sorting, indexing the data in a different way. I might be wrong, but we need to remember that. An AAC encoded audio can have the AAC, MP4 and M4A extensions.Ģ years later. AAC is an audio encoding scheme ,while M4A is only a file extension.Ģ. One of the more common recommendations to solve this problem is to replace the extension of the file so that the player will recognize it, and list and play it.ġ. This belief is aggravated even further by some players that list one file type, but not the other, despite being capable of playing both files. Although this is mostly true for other formats, this is not the case with AAC and M4A. The confusion between these two file format extensions stem from the immediate belief that a different extension means a different codec. Even though the file extensions are different, they are literally identical, and there should be no problems with playing both files in a device that is capable of playing either one. To create a distinction between files that have both video and audio, and those that only contain audio, the M4A extension was created as a subtype of the MP4 extension. When files that only contain an audio stream are created, they still carry the MP4 file extension. The AAC encoding gained prominent use as the main audio encoding for lossy MP4 videos. A lot of iPod users are also ripping their audio CDs to AAC, to maintain standard file formats. This is because they’ve made AAC the main format for their iPods, and even for the songs that are being sold in iTunes. Apple was one of the biggest motivators towards the shift to AAC. As support for the encoding scheme gradually appears in mobile phones and portable media players, it is only a matter of time before it totally renders MP3s obsolete. With that information, we can say that AAC is the actual audio encoding scheme, while M4A is simply a file extension.ĭue to the better sound quality that it produces, especially at very low bitrates, AAC is beginning to gain widespread acceptance among the general population. ![]() mp3 extension, AAC encoded audio files can have a variety of extensions that include. However, unlike MP3, which has a unified. ![]() AAC, which stands for Advanced Audio Coding, is the intended replacement for MP3, due to its improved sound quality. ![]() In lossy compression codecs that are used for encoding audio into much smaller file sizes, MP3 has held the throne for a considerable length of time. ![]()
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