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In this lesson, we're going to see how we can record audio from our computer microphone. We're going to use the Chapter 6_b file that we created earlier in the chapter. If you don't have it open, please open it now and go to slide number one. We're going to capture some audio from our computer microphone, and we're going to put it onto this slide. I want it to play when the slide appears, and so we'll be recording to the slide itself and not to an object. In the Timeline, let's set our playhead back to the beginning. Now, we need to set up our audio.
Under the Audio panel at the bottom, you'll see Settings. You use the Audio Settings to choose your audio input device. You might be using one of several different audio inputs, and of course your setup is going to be different from mine. You need to determine for yourself which microphone you're going to use. Once you've decided that, then you can choose it from this list here. I'm going to use the Built-in Digital Input, which is the microphone that I'm wearing right now. I'm also going to set my recording parameters for this microphone.
I know that for this microphone I want to choose the highest quality audio. Depending on your microphone, you might choose the different audio settings. Know that slower the bit rate, the worse the audio is going to sound. Conversely, you could say the slower the bit rate, the more compression is going to be used for the audio, and so it going to sound more and more like it's in a tunnel. I'm choosing the CD bit rate, which is the highest quality that Captivate will capture. The next step is to calibrate our input.
Click on Calibrate Input to do that. Captivate will listen to what we say in the microphone, and it will adjust the amplifier values automatically. I'm going to read a script that I've already prepared. This is going to be the same sentence that I'm going to read onto the slide directly. I'm going to do it after I choose Auto calibrate. Welcome to the Hansel and Petal virtual flower show. Enjoy the flowers and the music. You can see that Captivate is telling me that my input level is okay, and it has automatically set the pre-amplifier value.
This is the quickest way to get good quality audio out of your own microphone. Having calibrated our audio, click OK. Now, we can close the audio settings. Let's move on to capturing this sentence to the slide. Under Audio, choose Record to > Slide. Note that we are reminded what input method we're using here. It's says Built-in Digital Input. That's the audio that we've just included. If you have animation on your slides, and you'd like to be able to see that so that you can speak to it, you could turn on the SWF Preview here.
In this case, there isn't much in the way of animation, so I don't need the SWF preview. Again, if you want to synchronize your words to animations that are on the slide then you want to turn on the SWF Preview, so that you can see what's going to happen and then speak to that timing. For now, I'm just going to record my audio. To begin recording, I click the red button on the left, which is the Record Audio button.
Welcome to the Hansel and Petal virtual flower show. Enjoy the flowers and the music. When you're done speaking, click the Stop button. Let's play it back now. "Welcome to the Hansel and Petal virtual flower show, enjoy the flowers and the music." I've got a little bit of work to do on this audio. We'll take care of that in another lesson. For now, let's close.
I would like to save the changes to the audio, yes. Because this audio takes more time than the slide allows, we will be asked to extend the slide so that it will fit. I'm going to say yes now, but I will adjust it later. You can see the audio track is indicated here on the bottom of the Timeline. I can see the waveform, which is very handy because it helps me to adjust the timing of objects to correspond to sound cues, and I can see them directly in the waveform.
With this change having been made, let's save the file. We'll save it as Chapter 6_c. Before we go, I would like to remind you to have a nice quiet environment for your recordings when you're recording to your slides, or to objects. Make sure that you've got a good quality microphone, and if you can, hang some type of drape or curtain around so that you can absorb some of the reflected sound in the room. The more care that you take in your sound environment, the better that audio is going to sound when you play it back in Captivate.
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