Well now you have met someone who can distinguish the difference so you can't say that anymore
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I don't know what sources you have used. However, go to the Audio Technica ath-e70 or westone w80 or um pro 50 thread and ask if they really can tell a difference between mp3 and flac. Especially with the Audio Technica ath-e70 as it's used for studio mixing and mastering and musicians. It's a very technical IEM.
There's a night and day difference between mp3 and flac with the ath-e70. The difference is very apparent as it relates to the high frequencies and also the bass.
As I'm writing this I'm noticing that statement is wrong for so many reasons! First is compression. With any form of data science whether your talking about music data or website analytics data. Here's why:
- it's always best practice to keep a copy of the data in it's original form because once you alter the data you can't get it back.
- One can't say they sound the same simply because we don't know which compression algorithm was used...
- I know a lot of algoritms compress the hi frequencies because mp3 tends to be bottom heavy. But one wouldn't notice without the right equipment.
I had my 17 year old God son in the car who can tell the difference between Google Music and and Tidal Hifi.
Also, go to anyone who owns a Lg v20 they should be able to tell the difference as well because it's an analytical source given they have high end iems.
I would recommend this combo for testing lg v20 and ath-e70. Not trying to be funny, but if you tell me you can't hear the difference with that setup I would say it may be time for a visit to the audiologist.
Edit:
That was the first thing I noticed with the Axon 7 was that it was bottom heavy and lacked the treble extension. So on a device like that, it may be hard to tell the difference because the frequencies aren't there. imho