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RE: To Dither or Not to Dither? J. River/PonoMusic World

Whoever these folks are, assuming they can do what they claim, they are most definitely an edge case.

Tony Lauck trots them out from time to time, but he is always careful to disassociate himself from their claims.

We need not worry too much about TL. Let us instead look at reality.

Have you ever seen a Seattle Seahawks game? (For our international readers, the Seahawks are an NFL football team whose stadium is in Seattle, Washington, USA.) The Seahawks have set records for the sound levels created by crowd noise in their stadium. Their latest record was a sound level of 137.6 dB. Assuming the sound level at the field before the game was 0 db, (I know that's an unrealistic assumption) it would take about 23 bits of resolution to record a game in that stadium.

Let's think about how opposing teams play in that stadium. They are universally prepared to use a "silent count." That is, opposing teams fully expect that their healthy young teammates will not be able to hear their healthy young quarterbacks shouting signals at the top of their lungs. If the crowd is too loud, there is no point in even trying.

Doesn't this argue against the claims that we should be able to hear subtle differences even 24 bits down? These young, professional athletes are trying desperately to distinguish what another young, professional athlete is shouting at the top of his lungs yet are unable to do so.

How loudly do watches tick? If any of the linemen visiting Seattle are wearing a watch during the game, does anyone think he could hear it?

If he can't hear his watch, why would we expect to hear things at similar volume levels?

JE




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