How to generate sound waves in C# Windows Forms?

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I wanna make sounds, how to do it in Windows Forms?
I don't wanna play sound, i wanna generate it from scratch.
How?

Posted 24-Dec-14 3:59am

Ziya1995

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[no name] 24-Dec-14 10:04am

Quote: "I wanna make sounds" do you like to make sound or to play sound?

Quote: "I don't wanna play sound, i wanna generate it from scratch". The sound or the player?

What???

Simply unclear....

Sergey Alexandrovich Kryukov 24-Dec-14 10:38am

System.Windows.Forms is a graphical UI library, how can it be related to sounds? You really need to embrace Separation of Concerns and know what part of software does what.
—SA

Ziya1995 24-Dec-14 12:43pm

I think it is possible to do in Windows Forms, but i don't know how, i need a simple example to study.

Sergey Alexandrovich Kryukov 24-Dec-14 13:02pm

You can start study anything if only you find yourself capable to forget about Forms. And, in general, to be capable of abstraction. And to do that, you need understanding. So far, your study should be directed to getting understanding. So, you need to be capable of forgetting your goals as well, for certain period time. Seeing only your goals highly clouds your vision. You got a pretty good answer, Solution 1, why not using it?
—SA

Ziya1995 24-Dec-14 13:11pm

I started using Solution 1, but why to forget Forms? I code using Windows Forms over 2 years learning it at the same time.

Let me know, what is wrong?

Sergey Alexandrovich Kryukov 24-Dec-14 13:29pm

Lack of abstraction, lack of logic in your question. Lack of simple understanding: you failed to get that I don't advise you not to use Forms project, I advised to forget about forms. Did you get it now?
—SA

Ziya1995 24-Dec-14 13:34pm

I really wanna understand you, because i always think about whether Windows Forms is a good choice or not.
Can you explain?
Wait, you are talking about "forms", but not about "Forms project"?
What are we talking about?

About the question, i have read it is impossible to generate any sound from scratch and the only way is to record sound using microphone and then edit it making new sound, in other words to use existing sounds. Is it true?

Sergey Alexandrovich Kryukov 24-Dec-14 13:40pm

I do appreciate it. System.Windows.Forms is generally a good choice. I mean, this is one of the good ways to develop UI. But it all depends on the purpose (for example, for some kinds of UI WPF is much better, for others WPF is easier, and for some other cases, WPF could be more of a hassle, same goes for Forms or nearly anything else). In relation to the sound wave generation, the choice of UI is totally neutral. From this point of view, it is totally irrelevant; even console-only application can do the job. UI comes when you have some requirements for, say, presenting waves graphically, if you provide a lot more detail. If you simply say that you want to present waves graphically and even edit them, the choice of UI is still pretty much neutral. The fact that you have some more Forms experience might be more important factor.
—SA

Ziya1995 24-Dec-14 14:01pm

Wow, i am glad to hear it, thank you, i just speculated may be there is some inbuilt method in Windows Forms, but i got it.

So, is it possible to generate from scratch or only using existing sounds?

Sergey Alexandrovich Kryukov 24-Dec-14 17:17pm

Again, this is a matter of logic. Don't you think that it would be very impractical (and just bad) design if Forms had some sound capabilities? It means that other UI libraries would have to have their own variants of it. Would be really bad.

And yes, you can synthesize any sound from scratch. There is enough literature on the topic. In particular, WAV sound is a set of samples fed at some frequency called "sample frequency". It's just a set of 8- or 16-bit values in a single flow, without any markup data (well, the file/stream starts with metadata part)...

—SA

Ziya1995 25-Dec-14 9:39am

> And yes, you can synthesize any sound from scratch.
> In particular, WAV sound is a set of samples fed at some frequency called "sample frequency"

Synthesize? You mean to bind 2 or more different sounds to make a new one? Right? So it is not from scratch or you meant something else?
You said WAV files are samples, so it is not from scratch, it is using prepared samples, not making from scratch.

Help me by a simple answer, is it possible to create sounds from nothing or the only way is to synthesize prepared samples?
I have read it is impossible, if it is impossible let me know because may be i am wasting my time searching a way.

Sergey Alexandrovich Kryukov 25-Dec-14 12:03pm

No. I mean from scratch. You can create a sine or saw-like function and make sounds out of it. You can create some spectrum, do reverse Fourier transform of it and make sound. Any function...
—SA

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Peter Leow · Answer 1 · 2014-12-24T04:09:00

Solution 1

Refer: Fundamentals of Sound: How to Make Music out of Nothing at All[^]

Posted 24-Dec-14 4:09am

Peter Leow

Comments

[no name] 24-Dec-14 10:14am

+5. For me something like this is missing :-)
http://en.wikipedia.org/wiki/Harmony[^]

Sergey Alexandrovich Kryukov 24-Dec-14 10:38am

5ed.
—SA

BillWoodruff · Answer 2 · 2014-12-24T08:30:00

You will need some form of software library, or need to use MS' DirectSound, to create, and playback, sounds in C# WinForms.

NAudio is open-source, very powerful, on CodePlex, can be installed in Visual Studio using NuGet, and has a discussion Forum that is active: [^].

Or, you could use DirectX Sound, and use System.Media for playback; here's a well documented example (with source code) of how to creates, and play, a sine wave: [^].

Do search on CodeProject, because I am sure there are some DirectSound examples here.

How to generate sound waves in C# Windows Forms?

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