Translation:The disrespectful young man does not read the book.
Which pronunciation of non should we aim for? The male voice offers "non" as in "gone" or "bonbon" with a short British O, not the short American O which is an allophone of A; but the female voice suggests "none" as in "known" or "phone" like a long northern British O (no diphthong). Which is preferable?
You need to put this question to a native speaker!
On a more serious note [ :) ], what is the pronunciation of English that we should aim for? American? British? Irish? What actually is an American, a British or an Irish pronunciation, for that matter? There are variations within each of those countries, and many more outwith...
So, by the same token, since the Roman Empire stretched from Scotland to Syria, and most stops in between, it stretches credulity that there was one, definitive way to pronounce Latin, whatever many would have one believe. It would have varied across the Empire, influenced by the local languages (Scots Gaelic, British-Welsh, Basque, Berber, Greek and German, among others), and by social class/education.
We know that there were accents and dialects, because the poets and others occasionally mock them, and - in some cases - attempt to capture them in writing (never that easy).
Although the content dates from a later period, I think this - for example - is a distinctive and yet authentic pronunciation of Latin, though the 'dialect' (Medieval Latin) does vary in the pronunciation of several phonemes from the purest Classical Latin, but by the same token, most of the population of the British Isles were not speaking the purest Classical Latin either. IMHO, it is a pleasant song, whatever one's views on theism and non-theism...
You are learning Italian, so I would aim for an Italianate pronunciation, with Italian rolled-'R' and vowels, but I wouldn't worry too much. What part of the Empire were you aiming to re-create? And which century, ab urbe condita?
Just enjoy: the knockers will surely come a-knocking whatever you do or say...
There undoubtedly would have been different accents, but just like in English, regardless of that there still would have been incorrect pronunciations. So to ask for the pronunciation isn't that weird.
Just like when you ask is it ice like /aɪs/ (the actual pronounciation) or like /ɪzə/ with the sound of "is" and then a schwa. Or perhaps like "I see" which would be /aɪsiː/ etc.
As you can see regardless of accents there are many ways to mispronounce a word, in this case ice. I only gave a few possible examples to mispronounce it.