Hi Henry, What prompted this concern? Where in your signal path do you think the audio is getting truncated to/encoded at 16 bits? Best regards, Will Chase On Mon, May 5, 2014 at 8:26 PM, Tom Fine <[log in to unmask]>wrote: > What would be audible about a 16-bit file converted to 24-bit? As long as > the source doesn't have a dynamic range over 90dB, why does it matter? Is > the concern about post-ADC DSP work? > > -- Tom Fine > > ----- Original Message ----- From: "[log in to unmask]" < > [log in to unmask]> > To: <[log in to unmask]> > Sent: Monday, May 05, 2014 1:32 PM > Subject: [ARSCLIST] Verifying true 24-bit audio > > > > Henry Borchers: >> >> I have some doubts about a file being digitized at true 24-bit. >>> The file says 24-bit but I?m not sure how to verify it. Is there >>> a way of verifying a file to see if it?s truly 24-bit and not 16-bit >>> conversion in a 24-bit file? >>> >> >> Yes, you need to use a bitscope to see which bits toogle or are >> stuck with no activity in them. >> >> I use an ADT, England, Digital line tester where you can see the >> status of the AES/EBU user bits and you can also manipulate >> those bits any way you wish. >> >> I have modified it so I can also use it as a bitscope which can be >> very useful as in the past there were many pieces of didgital >> equipment that claimed to be 24 bits but could be anywhere from >> true 24 bits down to 16 bits. >> >> The Valley Audio 730 Comp/limiter stated 24 bis but was in fact >> a 16 bit device only. >> >> There are many more devices that you can use as a bitscope from >> Prism and many manufacturers that sell you software has a bitcope >> included. >> >> If you are handy you can even build your own as is shown here: >> >> http://www.digido.com/articles-and-demos12/13-bob- >> katz/18-digital-detective.html >> >> >> -- >> Best regards, >> >> Goran Finnberg >> The Mastering Room AB >> Goteborg >> Sweden >> >> E-mail: [log in to unmask] >> >> Learn from the mistakes of others, you can never live long enough to >> make them all yourself. - John Luther >> >> (\__/) >> (='.'=) >> (")_(") Smurfen:RIP >> >> >>