Cocoa – simple record and play application!

audiococoa

I am trying to make a simple application which will store the sound said by user , say on click of record button and will play it back to him/her , say on click of play button.

Can anyone suggest me some appropriate way to do this ??

Thanks,

Miraaj

Best Solution

You can use QuickTime Kit's capture APIs to record a movie of the audio, and QTMovie (from the same framework) to convert it to a more conventional format for audio files and to play back both the intermediate file and the converted file.

There used to be a QuickTime Kit Programming Guide, but it didn't cover capturing and is now gone from developer.apple.com. You should file a bug against the docs.

This answer will work in a Cocoa (Mac) app. If you meant to ask about the iPhone, you should re-tag your question, as the solution will be completely different for a Cocoa app vs. a Cocoa Touch (iPhone) app.

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Files in your Documents directory. Or perhaps a subdirectory within Docs. Using a subdirectory has the advantage that you may want to store other data files somewhere in Docs dir, but keeping all the sound recordings in their own location lets you iterate through the files or delete the entire directory and its contents. I've seen plenty of messages suggesting it's less efficient and/or fast to store a bunch of binary objects in SQLite.

C# – Stop the ‘Ding’ when pressing Enter

It works for me:

private void textBox1_KeyDown(object sender, KeyEventArgs e)
{

    //Se apertou o enter
    if (e.KeyCode == Keys.Enter)
    {
        //enter key is down

        this.doSomething();

        e.Handled = true;
        e.SuppressKeyPress = true;

     }

 }

The SuppressKeyPress is the really trick. I hope that help you.

Best Solution

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R – iPhone Application records sounds and saves those sounds

C# – Stop the ‘Ding’ when pressing Enter

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