RE: Symbian Vs NET, Music DSP Resources


This might help Jim here is a link about DSP

http://www.webopedia.com/TERM/D/DSP.html 

Ken

-----Original Message-----
From: programmingblind-bounce@xxxxxxxxxxxxx
[mailto:programmingblind-bounce@xxxxxxxxxxxxx] On Behalf Of Jim
Sent: Saturday, September 29, 2007 5:22 PM
To: programmingblind@xxxxxxxxxxxxx
Subject: Re: Symbian Vs NET, Music DSP Resources

Hi,
I don't even know if this is on topic, but what does DSP stand for and what
can you do with it?

Thanks.

Jim

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----- Original Message -----
From: "Veli-Pekka Tätilä" <vtatila@xxxxxxxxxxxxxxxxxxxx>
To: <programmingblind@xxxxxxxxxxxxx>
Sent: Saturday, September 29, 2007 12:42 PM
Subject: Re: Symbian Vs NET, Music DSP Resources


> Hi Ken,
> Sadly, I think you're right about MS possibly invading the smart phone 
> market eventually. I know people who've recently switched from Symbian to 
> MS and the productivity is just an order of magnitude greater. C shaarp is

> easy, there are lots of good frameworks for business software and the MS 
> databases are lightyears ahead of what SymbianOS offers natively, e.g. no 
> joins.
>
> Mobile phones are soon having hundreds of megs of RAm and it is hard to 
> leak memory using C sharp, so apps running for months aren't a huge 
> problem either. Stil Symbian is much easier than plain C++ would be, in 
> terms of disciplined memory management, for instance, and it is so much 
> more object oriented and nicer looking than plain WIn32 or MFC code 
> <shudders>. But then again, Win32 is so much more portable, and the NET 
> even more so. I think Symbian it might have had the edge historically 
> since the early SymbianOs, the os was called Epoc, were quite primitive.
>
> On a tangent, outside of business software, I think people are actually 
> quite fond of mobile handsets running Series 60 or series 40, so the 
> technology has a lot of inertia no matter how hard it is to code. I don't 
> see many people suddenly switching to Windows based phones, if your first 
> and formost objective is just using the phone with a bit of text 
> messaging, occasional camera usage and mp3 playing not to mention the good

> freebies out there.
>
> Another point is localization. NOkia phones have excellent FInnish locales

> and I use them in my native tongue. In contrast, I never ever use Windows 
> or any other piece of desktop software in Finnish, and many of the MS 
> translations are either two direct or just otherwise clunky. Additionally,

> the language has to do a lot with other factors, too, menu mnemonics being

> different in Finnish and English Windows and the constant need to browse 
> mostly Finnish contacts in the phone book using speech, to mention but a 
> few of them.
>
> I also appreciate your DSp comments. I think I could ask in the music DSP 
> list as well, about on-line resources to get started in DSP. I know 
> there's quite a big collection of source and other docs out there, here 
> you are:
>
> http://www.musicdsp.org/
>
> -- 
> With kind regards Veli-Pekka Tätilä (vtatila@xxxxxxxxxxxxxxxxxxxx)
> Accessibility, game music, synthesizers and programming:
> http://www.student.oulu.fi/~vtatila/
>
> Ken Perry wrote:
>> I am not the worlds largest Microsoft fan either.  So I would not
>> knock your choice of the Simbian OS but in the long run I think they
>> are going to lose. I only say this because the mobile devices are
>> catching the desktop environments in processor power.  You might ask
>> what that has to do with one being better.  As we all have learned
>> its not what is better but its what has the most support in the
>> developer community.  As you have seen with the IPhone Apple ported a
>> shrunk down version of the Mac Lepard and Microsoft is using a shrunk
>> version of Windows.  They are not doing this for no reason. IN the
>> long run the bridge between the operating systems will shrink to the
>> point that they will c.  In the IPhones case that might be sooner
>> than later because while they gutted Lepard it is still leopard.  In
>> Windows Mobile case I think they are only two or three releases
>> before a person can code something in .net and move it from one
>> device to another with out worry. Hell for that matter you can do it
>> now as long as you don't call an unmanaged dll.  The problem is some
>> things require you to call unmanaged dll's to get them to work right
>> now.  So for example I code some simple game and change just a bit of
>> the GUI and  walla I can run it on everything from XP to Vista to
>> Windows mobile 5 and 6.  that is a large chunk of computer users.
>> Where as if I code it for Simbian it is not a simple port I know
>> because I have played with that OS quite a bit when I was looking for
>> a sell phone.  Simple ports is what makes businesses decide
>> environments not which one chomps bits the best any more.  All though
>> I will say Microsoft did a smart thing with their  Win CE platform it
>> is a very good sub set of Win32 it got rid of all the 16 bit garbage
>> so the backward compatibility is not there and it is a very good
>> multi threaded OS for mobile systems.  So if your coding in Win32 the
>> compatibility between XP, Vista, and the mobile platform is so close
>> together its amazing.  I just wrote a program the other day and it
>> compiled on all three with no problem well not no problem the mobile
>> Application did need a bit more key  processing code but it was a
>> simple thing to add the Win Proc function to fix it.  So I guess what
>> I am saying is I think Simbian is going to have a problem when we are
>> running Quad core processors and 8GB of ram on a cell phone because
>> Microsoft will just give us Vista or what ever they are calling it at
>> the time to carry around and that will be the death of Simbian.  It
>> will once again be Apple and Microsoft for all.  I don't say this
>> with out some guide posts to this happening Palm OS was the first to
>> fall to the Windows mobile crowd because of the familiar .net
>> environment.  Oh well like I said we will see.
>>
>>
>>
>> Now as for math.  I think Trig is a necessity because of the way you
>> deal with sign waves.  All though calculus is important as well but
>> the thing is I am not sure you actually need to know how to do
>> either.   For example you might be better in researching sound
>> processing to start all though to truly become good you are going to
>> need to understand the low level math better. For example when I was
>> in the Air force I was really good with electronics after the
>> military sent me through 6 months of Tech school.  It was a full days
>> courses and the Equivalent to an associates degree in electronics.
>> The thing is though they only gave us the cream on the milk pot.
>> When I retired from the military and took physics then trig and
>> calculus in College a lot of the stuff I knew as just formulas I
>> learned to derive my self and it brought a larger understanding to
>> how it all worked.  Which has now allowed me to understand how to do
>> what I was doing better.  I know however that a lot of people that
>> are good with sound have never stepped a foot in college but then
>> neither has a lot of fortune 700 people but some of us just don't
>> work that way.  It really depends on your drive and ability to learn
>> on your own.  College is not a must some people can find the
>> information they need and use it what College can do for you is give
>> you all the right sign posts to find where your going though.
>>
>> If I were you I would first try to do some of the things you want to
>> do and if things get to in-depth for you that is when you start
>> hunting education. It doesn't have to be education in the college
>> since I mean if you get a job in the field you might find you learn
>> more on the job than you can in a class room.
>
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