When the bit-depth is reduced, so is the accuracy with which bits of information are stored or quantized. The bit-depth plays a huge part in accurately storing information at specific amplitudes. Because Tidal uses lossless files, you’ll rarely run into aliasing, clipping, or other forms of audio degradation. Lossy files on the other hand use a variable bit-depth to reduce the file size. Lossless files have a set bit depth, meaning it stays the same throughout the song. There is also a big difference between lossless and lossy when it comes to the bit-depth. Lossy files delete data in areas of the frequency response that are difficult to hear – the file size is smaller but the quality is reduced.
Lossless files compile data that is redundant, making for a smaller file size but one that is unpack-able with all of its original information. Why Do Lossless Files Sound Better than Lossy Files? In it, we test an MP3, a Wav, and an AAC file using a blind test to figure out which one is the best.
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