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Ask the Doctors: Webzine 8/07

Fundy

Established Member
digital simulation of analog circuits.

Right.

UA you program the things. And I'll use them.
 

Suntower

Established Member
Indeed.

Dear Drs....

The place for those types of articles are:
1. CMJ
2. AES Quarterly Review
3. IEEE Mag
4. DDJ
5. Low Riders :mrgreen:

...We know you're the big dick swingin' DSP studs. You've got nothing to prove to me, big boy. Don't you already know that, lover?

Write to your audience, please. You know---like you used to. :)
 

Macc

Established Member
This is exactly the kind of article I have been wanting to read :D

An example of a system whose controls interact is the Neve 1073. In the 1073, the high- and low-frequency equalization sections are implemented as active filters within the same gain stage. Figure 9 shows the high-frequency responses of the EQ with the low-frequency selector at \"Off\" (blue), and the same responses with the low-frequency selector at 220 Hz (red). Even though there is no low-frequency boost or cut being applied, the character of the high-shelving filter is influenced by the low-frequency selection. This behavior makes the high-filter more flexible, because different behavior can be coaxed out of it with different settings. With signal modeling, much of this beautiful behavior could be missed.

Now THAT is interesting :D
 

Suntower

Established Member
It's just marketing propaganda.

But that's not my problem with it. My beef is that it's crap propaganda.

They want you to believe that their modelling is inherently superior to their competitors while downplaying the cards' weaknesses.

\"So what it if our cards don't have tons of on-board RAM like those guys who use convolution? Our algorithms are so great, we don't need it (and wouldn't want it if we had it!) Volterra kernels and other grain-state systems? Stuff and nonsense, we say!\"

...and so on.

Every company attempts this sort of marketing ju-jitsu.

Since most people's ears -are- affected by this stuff, FAIR PLAY TO UA!, I say. If we had to rely on only objective tests and our ears, I dare say the entire music tech economy would have died long ago.

I just wish the guys were better writers. For this sort of ad copy, they should hire one of those 'professor' guys on BBC2 and PBS with shows like 'Quarks For Coronation Street Watchers'.

They need to break it down so all us acolytes can get the message out to the people: UAD-2 is worth waiting for! :wink:

---JC
 

Cass Anawaty

Shareholder
I really don't understand this thread. Just this weekend, I was explaining to my 2 year old that we can denote N possible inputs to the system as xn(t) for 1 < n < N, and the corresponding outputs as yn(t). For example, if x1(t) is applied to this system, the output will be y1(t). If the system is LTI, then the output corresponding to input signal (αxn(t+τ1)+βxm(t+τ2)) will be (αyn(t+τ1)+βym(t+τ2)), for any xn(t) and xm(t).
 

Fundy

Established Member
I suppose the argument too all this, will knowing the formulae inside out and being to reverse engineer the calculus will not make a better musician. But in hindsight, how many DSP manufacturers do you know who explain how their stuff works in such detail. Not many, people anyway I digress. Don't eat the yelllow snow.
 

T-Dogg

Active Member
I thought it was a pretty cool read. Not sure if marketing was the root intention -- if so, somebody should be fired, lol!

It may simply be the unrestrained ramblings an uber-geek, and if so kudos for UA letting them do as they please, even if it flies right over the heads of the average user... Ya ever get an engineer talking within his realm of interest? They love to discuss the details with people; they want you to appreciate the \"art\" behind their science, and I can respect that. there's alot of creativity under them lab coats.
 
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