2017년 7월 12일 수요일

frequency generator


It is possible with App Inventor generate a specific frequency, such as for example 12527.24 HZ?

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Here is how to do it with Java  How to Generate A Particular Sound Frequency? .

A simple way to use a few specific tones like 12527.24 HZ  would be to record the tone on a PC.  The tone could be produced perhaps by a tone generator on your PC, then using the AI Sound component to play it back.  This technique is practical if you require a series of discrete tones. Here is an online tone generator that can save the file of the tone http://onlinetonegenerator.com/  

AI2 has no tone generator or tone generator library so I expect you will either have to write an Extension or use pre-recorded sound files.

Perhaps someone else has another solution?

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Do a Google search for a tone generator in JavaScript. Maybe you can make it run in a webviewer component.

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I like this idea of creating a sound generator, I have created a small application, it is in this post.


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(added to FAQ, in JavaScript Stunts section)

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Thank you Abraham.

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