![]() Usually the removed data is in the higher frequencies that humans can't hear, however, there can be obvious audible differences between lossy formats and lossless formats. ![]() Lossy formats have smaller file sizes than both uncompressed lossless formats and compressed lossless formats because they remove some of the original data. ![]() Since both uncompressed lossless formats and compressed lossless formats retain all the data from the original recording, they can be transcoded between each other without a loss in quality. By giving silence almost no bits per second and compressing sound, a compressed lossless file is usually half as big as the same song stored in an uncompressed lossless file. For example:Ĭompressed lossless formats store all of the original recorded data in less space than uncompressed lossless formats by compressing the data. The main uncompressed lossless format is pulse-code modulation (PCM). Since silence is given the same number of bits per second as sound is, uncompressed lossless files are huge. Uncompressed lossless formats store all of the original recorded data. For example, an MP3 320kbps (CBR) file transfers 320 kilobits per second. When comparing files with different bitrates (of the same song), the file with the higher bitrate has the higher quality. When talking about music formats, bitrate is used in kilobits per second (kbps). Music formats are either uncompressed lossless, compressed lossless, or lossy.Ī bitrate is the number of bits conveyed or transferred in a unit of time. An audio format is a type of computer file that stores music.
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