![]() Rock music or EDM can be encoded to low bitrates with subjectively lower quality loss than classical music. Also, different types of music behave differently under mp3. The higher the bitrate, the better the overall quality. When you decode from mp3 back to a PCM format (such as WAV), that data is gone. "lossy" means that the encoder will remove audio data that it determines is not necessary for that "acceptable quality" level to be maintained. The entire implementation methodology of mp3 is as a 'lossy' encoding format. The Encoding device might be hardware or software and the decoding function the same - it might be software or a hardware device. ![]() It is implemented using a "codec", meaning that you need an "Encoding" function and a "Decoding" function in order to listen to the audio. The purpose of mp3 encoding is to reduce the overall size of an audio data stream whilst maintaining an acceptable level of listening quality. ![]() MP3 is the 'colloquial' name for "MPEG 1 Layer 3" audio encoding.
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