Every second in this type of file has the same quality. This means that every second in the file has the same number of bits, no matter how simple or complex the sound is. Constant Bitrate (CBR) When encoding this type of file, the user (you) chooses a preset bitrate and LAME targets that bitrate throughout the entire file. RED recommends this as an MP3 encoder because it is open source, customizable, and outputs high quality MP3 files. The resulting MP3 file can have a constant, variable, or average bitrate. LAME Ain't An MP3 Encoder (LAME) This is an encoder that converts and compresses any input audio file and outputs an MP3 file. Similarly, AC3 and DTS are music formats often found on DVDs and since they are lossy, they cannot be converted to other formats without a loss in quality. We allow AAC files bought from the iTunes store because there are often iTunes-specific bonus tracks, and since AAC is lossy it cannot be converted to other formats without a loss in quality. MP3 is the most popular lossy format on RED. AAC (can be trumped by any MP3 torrent unless it was bought from the iTunes store and includes iTunes Exclusive tracks)
MP3 (the minimum bitrate for MP3 is 192kbps (CBR)) Only the following lossy music formats can be used on RED:
However, you can download the FLAC and convert to ALAC (for iTunes) or whatever lossless or lossy format you prefer. Allowed Formats While there are several types of lossless and lossy music formats, only a few can be uploaded to RED.īecause lossless formats can be transcoded between each other without a loss in quality, the only permitted lossless format on RED is FLAC. For most people, MP3 192kbps (CBR) is considered to be this. A lossy file is considered to be this if the average human cannot tell the difference between the lossy file and a lossless file of the same song by just listening to both without knowing which file is which. Transparency A term used to describe the audible quality of a lossy music file.
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