9/17/2023 0 Comments Wav to mp4![]() ![]() Encoders are changing all the time and hopefully improving. It's generally thought that AAC offers better quality than MP3 at the same bit rate, but that's not always true and depends on the encoder used. They're both the same size, give or take. ![]() For example: try comparing a 44.1kHz 128kbps AAC from a 24-bit source to a 16kHz, 8 bit WAV file and let me know which one you prefer. It's true in the sense that, if you encode a WAV to AAC, you will lose some information, but if you tried to make a WAV as small as an AAC it would sound much worse. It's not strictly true to say that AAC is lower quality than WAV. There are also some lossless, reversible parts to both codecs. There are more complicated bits, but I suspect that's as much as you want to know. As a simplification, AAC (MPEG-4 Part 3) and MP3 (MPEG-1 Layer 3) encoders both reduce data rates compared to WAV by throwing away frequencies that we're less likely to hear, as well as encoding audio in such a way that noise increases which also reduces data rates. ![]()
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