Talk:Motorola 56000

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iPod Shuffle[edit]

I believe this DSP is used in the iPod Shuffle. —Preceding unsigned comment added by 65.92.44.209 (talkcontribs)

Yep, it is embedded in the STMP3xxx system-on-a-chip series. -- intgr #%@! 22:25, 31 May 2007 (UTC)

ADSL filters[edit]

Any reference for that ADSL 20-bit filter topic ?— Preceding unsigned comment added by 196.202.2.206 (talkcontribs) 2007 (UTC)

20-bit filter arithmetic is quite plausible for ADSL. This is based on the typical width of the input from the ADC[1] and the well-known fact that many filter algorithms need an accuracy larger than the data by a few bits. I'll remove the citation-needed tag. --Rainald62 (talk) 16:48, 7 December 2016 (UTC)
  1. ^ [1], quote from p. 7: "Starr, Cioffi and Silverman [19, p. 299] recommend using 14-bit ADC, while ADSL transceivers commonly use 16-bit ADCs. Fixed-point DSPs commonly use more than 16-bit fixed-point arithmetic."