The "phase distortion" name never made me blink, I never even thought about it. And, to me, it sounds accurate. I'm NOT saying you're wrong, what I'm saying is that in terms of perceptions I never at all shared that one. So that makes me curious; I know this is a tangent, but did others find that term off-putting or misrepresentational? I'm very sad that PD died. I love it, and that's even at the limited state it was left at. For my ears, it was far superior to FM, and I also found it easier to make sounds in. ----- Original Message ----- From: "jdcx64" <jdcx64@...> To: <CZsynth@yahoogroups.com> Sent: Friday, April 11, 2008 9:07 AM Subject: [CZsynth] Re: CZ-Synthesis >I took you for an overzealous moderator. My mistake, there are no such > people on this forum. > > Of course it must be 'Phase Distortion' synthesis, I'm just wondering > why on earth the marketing people at Casio came up with such an > expression. > > I greatly admire the idea for the Cosmo / CZ / PD synthesis. I'm also > deeply sorry that the concept was abandoned and that there never was a > CZ-202, CZ-2, etc. A CZ-7 would be a beast of a synth, outperforming > everything else on the market: PD synthesis takes so little CPU power > that even on a mobile phone processor there really would be no limits. > > PD synthesis is done by fetching waveform values from a sin look-up > table at a non-constant rate. An accurate name for it would have been > 'sin-table-fetch-rate-modulation' or 'rate-modulation' for a short. > > It happens that a sin look-up table is just a software optimization > technique for the sin function, widely used when CPUs can not > calculate it themselves. > > If we forget the detail that the sin function has been implemented > with a look-up table, then: > 'sin-table' -> 'sin' -> 'signal' > 'fetch-rate' -> 'frequency' > > My conclusion is that 'Phase Distortion' synthesis is more accurately > described by the words 'Frequency Modulation', a modulation of the sin > signal so deep as to halt it for a while and where the modulator is > complex and contains higher frequencies than the carrier itself, but > it still is frequency modulation. > > At the time the CZ line was launched another Japanese company was > already using the words 'Frequency Modulation' to describe a > completely different (and less clever) approach to sound synthesis and > Casio probably had to come up with some different wording. > > I read a vague statement on the web saying that Yamaha still managed > to sue Casio for patent infringement, does anyone have any details on > this? If this is true it should be a clear case against patent law > (abuse). > > Joaquim > > p.s. Patent law is probably not bad, it's just being widely ignored, I > think. Patent offices make a lot more money from the patent > applications that are granted, and indirectly so do lawyers and other > people involved. The requirement that 'patents must not be obvious for > specialists on the subject matter' should kill 95% of patent > applications, the same 95% that result in bad patents. This is true at > least for the subjects I'm familiar with. > > > --- In CZsynth@yahoogroups.com, "Summa" <flotorian@...> wrote: >> >> I think you missunderstood me, this wasn't a request ;) >> >> Btw. if you don't use Phase Distortion, Phase Modulation, Waveshaping >> or what ever you call the synthesis, it'll be far from a CZ... >> >> ...Summa >> >> On 10 Apr 2008 at 18:57, jdcx64 wrote: >> >> > Hi, >> > >> > Yes I'm excited about Synthmaker but I don't work for the company, I >> > first saw the software last night. >> > >> > I thought it would be of interest to CZ the list because it probably >> > is the only way non-programmers can play with CZ synthesis, and I >> > don't mean just emulate a CZ but take CZ synthesis to new heights: >> > more voices, real noise, real resonance, a more direct user interface. >> > >> > (I don't call it 'phase distortion' synthesis because I don't like the >> > expression - the 'distortion' word suggests something different) >> > >> > About the cost: I think we should be able to talk about non-free >> > software. The personal edition costs less (but the plugins or software >> > you make can not be sold). There is a demo. If you use it at home you >> > only pay if you want to. >> > >> > This is a nicer than average list (I know what I'm talking about), I >> > wouldn't want to send spam to it or start an off-topic discussion. >> > >> > Joaquim >> > >> > --- In CZsynth@yahoogroups.com, "Summa" <flotorian@> wrote: >> > > >> > > Hi Joaquim, >> > > >> > > with a price of 185 Euro this isn't exactly freeware nor is it very >> > > much on topic. I'd prefere to keep this forum free of spam and I'm >> > > not able to tell a part between postings of an enthusiastic user and >> > > firm employees... >> > > >> > > I hope you understand! >> > > >> > > ...Summa >> > > >> > > >> > > On 10 Apr 2008 at 16:58, jdcx64 wrote: >> > > >> > > > Yesterday I was shown a piece of software that may be of interest >> > > > to many people on this list: www.synthmaker.com is an amazing >> > > > graphical tool for synth development. Component modules can be >> > > > chosen chosen from a selection of buttons, midi things, >> > > > oscillators, envelopes. filters, etc. and placed on the working >> > > > area, and their input/output terminals connected with virtual >> > > > patch cables. The modules are made of other modules and C-like >> > > > code. The insides of modules are available for inspection and >> > > > editing, and new modules can be created. Module code is translated >> > > > into DSP-like (4 floating point operations per clock cycle SSE >> > > > pentium) code that runs in real time on a per sample basis, and >> > > > amazingly you can have a look at the actual SSE instructions. One >> > > > of the pre-made demo projects is a virtual TB-303, a real one, not >> > > > a rompler. The software has also been used to make CZ-like >> > > > emulators. The greatest: if you build something worthy you can >> > > > save it as a stand-alone executable and distribute it for free or >> > > > for profit. If you're interested download the demo and have a look >> > > > at the forums. I'm trying to overcome my MS phobia and have a >> > > > windows PC on my desk just to use it. >> > > > >> > > > Joaquim >> > > >> > > -- >> > > >> > > CZ/VZ mailing list : http://groups.yahoo.com/group/CZsynth >> > > FMHeaven mailing list : http://groups.yahoo.com/group/fmheaven/ FS1R >> > > mailing list : http://www.ampfea.org/mailman/listinfo/fss-list >> > > Vokator mailing list : http://groups.yahoo.com/group/vokator >> > > >> > > http://www.summasounds.de/ >> > > >> > >> > >> > >> > ------------------------------------ >> > >> > Yahoo! Groups Links >> > >> > >> > >> > >> >> >> -- >> >> CZ/VZ mailing list : http://groups.yahoo.com/group/CZsynth >> FMHeaven mailing list : http://groups.yahoo.com/group/fmheaven/ >> FS1R mailing list : http://www.ampfea.org/mailman/listinfo/fss-list >> Vokator mailing list : http://groups.yahoo.com/group/vokator >> >> http://www.summasounds.de/ >> > > > > ------------------------------------ > > Yahoo! Groups Links > > > >
Message
Re: [CZsynth] Re: CZ-Synthesis
2008-04-12 by Wilson Zorn