This table shows the short summary information about audio formats and accumulated results of the performance tests.Ĭompression Ratio: the difference between uncompressed and compressed file, applies to Lossless only, the lower - the better.ĭecoding/Encoding Speed shows how many audio samples are processed per time unit, the higher - the better.
However, this document can help you to decide which audio format is more suitable for your needs. I think it's impossible to pick the best format for *every* use, especially from lossy audio formats. This article doesn't claim which audio format is the best and which is the worst, because to do that it would require to test each format with a wide variety of music, with a large variety of audio settings (encoder settings, audio format), with different codec implementations and on different hardware. In the end of this article I'll describe how you can perform similar tests by yourself. There is information about file formats that are used for storing audio data, meta tags supported by different file formats and the results of some performance tests. It covers lossless (FLAC, ALAC, APE, WavPack) and lossy audio codecs (Vorbis, Opus, MPEG, AAC, Musepack). The goal of this article is to show the differences between several audio formats and codecs.
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