Talk:Digital signal processor
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Erroneous information regarding AMI
According to Wikipedia Article on AMI and AMI Webite, the company was founded in 1985. DSP article states AMI introduced a DSP chip in 1979. The AMI that made DSP chip was not American Megatrends Inc (BIOS maker), but a company named American Microsystems Inc. The Link should be fixed —The preceding unsigned comment was added by Jamevay (talk • contribs) 16:28:00, August 19, 2007 (UTC).
possible POV (removed from article page)
In 1999, Improv Systems introduced the Jazz DSP, the worlds first fully configurable VLIW DSP architecture targeting the embedded DSP market. Being a VLIW processor, the Jazz DSP provides high performance through parallel execution of operations.--R.Koot 20:41, 22 July 2005 (UTC)
There is a link to Sticky bit, which I do not believe is the intended reference. Either the link should be fixed, or the relationship should be clarified in the surrounding text.
I think this "circular logic" definition needs to be re-written: "A digital signal processor (DSP) is a specialized microprocessor designed specifically for digital signal processing, generally in real-time computing." This is akin to "A lock is a specialized mechanical device designed specifcially for locking..."
Suggest something like this: A digital signal processor (DSP) is a specialized microprocessor designed specifically for altering electrical signals using digital algortihms, generally in real-time computing.
126.96.36.199 20:54, 1 May 2007 (UTC)Chuck McGregor Senior Technologist, Eastern Acoustic Works
Special loopjkking hardware
I was confused by this strange word. I suspect it is a typo, but in the rest of this paragraph, the term "looping hardware" is being repeated several times. --Lazer erazer 18:58, 20 July 2007 (UTC)
Rewrote section to remove blatant advertising
I rewrote the Modern DSP section to remove blatant advertising and give an impartial point of view. Removed the advert tag to reflect this edit. --mulletsrokkify 17:22, 19 August 2010 (UTC)
AFAIK the first DSP (recognized as such by the IEEE here: http://www.ieeeghn.org/wiki/index.php/Milestones:Speak_%26_Spell,_the_First_Use_of_a_Digital_Signal_Processing_IC_for_Speech_Generation,_1978) was the TMC0280 used in the Speak and Spell. It's actually present in other Wikipedia articles, so it should probably be placed here, unless the fact that it isn't programmable is why it isn't listed. — Preceding unsigned comment added by 188.8.131.52 (talk) 01:53, 2 December 2011 (UTC)
First implementations of DSP chips
First implementations of DSP chips was likely military applications, specifically, radar signal processing for fire control radars on USAF fighter jets. Range data was processed to provide targeting information to air-to-air missiles.
- "Was likely"? Can you provide sources for this? Note that radar range data can be extracted with analogue electronics (sample-and-hold, boxcars etd), it is hard to see what processing would require a DSP. Passive hydrophone data processing, on the other hand, requiers DSPs for real time beamforming and specrum analysis, seems more credible as an early military application. A submarine or sea going vessel has less of the space, power and cooling constraints found in fighter jet.
- The world's first DSP was used in the F-14 Tomcat figher jet's Hughes Corp. radar set. This info was kept secret until the Tomcat's AWG-9 radar set was replaced by the newer APG-70 variant in the 1980s and shortly after, the entire Tomcat fleet was retired from the US Navy due to high running costs. 184.108.40.206 (talk) 23:37, 31 December 2012 (UTC)
- And this is why providing references is important. Microprocessor#CADC, Grumman F-14 Tomcat#Avionics and flight controls, Central Air Data Computer, all agree that the CADC was one of the earliest applications of digital signal processing. That alone is enough to warrant a mention of the CADC in this article.
- However, those articles all seem to be saying that the CADC was a fly-by-wire computer, using the pilot's flight controls and air pressure sensors as inputs, and driving the F-14 Tomcat control surfaces, flaps, etc. with its outputs. As far as I can tell from what I read in the above Wikipedia articles, the CADC had no connection to the radar. Do you have any WP:SOURCES that indicate the CADC -- or perhaps some other processor -- was used in the 1980s or earlier for radar signal processing? If so, please use those sources to fill in a gap in Wikipedia coverage. --DavidCary (talk) 18:38, 7 January 2015 (UTC)