I can’t even hear the difference between lossless music and 320k MP3
Is it necessary to buy headphones with good sound quality?
1. It is basically impossible for a normal human being to tell the difference between lossless and 320K MP3 in safe listening volume (maximum volume does not exceed 90dB) and general environment (environmental noise greater than 30dB). [1]
2. Generally, people’s distinction between lossy and lossless high bitrate comes from adjusting the volume during the compression process, especially on various streaming media platforms – what you hear is not the difference in quality of the sound, but the difference in volume. .
2.1 The above conditions also apply to most equipment (decoders, amplifiers) for listening comparison.
3. To hear the difference between lossless and MP3, use the following methods:
3.1 Use low bit rate MP3 (128 and below)
3.2 Increase the volume to dangerous levels (may cause permanent hearing loss)
3.3 Repeat a specific segment continuously (it is generally recommended to control the repeated segment within 2s~5s) [2]
4. In normal listening situations, there is no point in being obsessed with differentiating between 320K MP3 and lossless. But it still makes sense to buy good headphones/speakers, because the human ability to distinguish the sound from different headphones/speakers is much stronger than the ability to distinguish the sound source.
Why do we need compressed audio formats?
This question is a bit stupid. Of course, it is to save audio storage space. If you do the math, even a 3-5 minute song at 320kbps probably only takes up a few megabytes of space, but if it’s an uncompressed format, the most popular 44100HZ sample rate, two channel, quantized PCM stream to 16-bit sampling, 3 minutes need 3x60x44100x2x2 bytes, about 30M storage space, so the space for a single song can be stored using MP3 to store 5-10
