Please advise: SM5843 and 24-bit data - diyAudio
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Old 29th June 2012, 08:42 PM   #1
Tony_T is offline Tony_T  Estonia
diyAudio Member
Join Date: Jun 2004
Location: Tallinn
Default Please advise: SM5843 and 24-bit data

I'm sorry if this is an silly question, but what would an SM5843 digital filter do if
fed with 24-bit data? Would it just disregard higher (>20) bits or wouldn't it work at all?
Yes I have read the datasheet and done the "Googling" but I haven't really found
anything conclusive. Then again - I'm really not an expert on digital audio.
Any help is greatly appreciated.
Attached is link to SM5843 datasheet

Edit: And here I go and grab the first icon that seems inviting. Next time I will try harder. Corrected way to present an link to datasheet:

http: www semiconductorstore com pdf sm5843 pdf

Last edited by Tony_T; 29th June 2012 at 09:19 PM. Reason: Fixed link to datasheet
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Old 30th June 2012, 03:18 AM   #2
chaparK is offline chaparK  Luxembourg
diyAudio Member
Join Date: Apr 2010
Location: Luxembourg
Have a look at figure 8 or figure 9 on p.19: they comment that data after bit 20 is ignored. So it seems you can feed 24-bit data if truncation is not an issue for you.
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Old 2nd July 2012, 04:20 AM   #3
Tony_T is offline Tony_T  Estonia
diyAudio Member
Join Date: Jun 2004
Location: Tallinn
Thank you. Seems that It's worth a try.
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