How to reverse audio in Garageband (6 Steps)

Select the audio region you want to reverse by clicking on it in the Garageband mix window.
Open the edit menu. Choose 'Add To Loop Library.' Enter a unique name for the region so you can easily find it in your loops folder. Click on 'Create.'
Open the folder 'Library> Audio> Apple Loops> User Loops> Single Files'. In that folder is an .aif file of the audio you selected to export for reverse processing. Select that file and choose 'open with> Audacity'. The file will open in the Audacity audio editor window.
Press 'Apple A' to select the entire file (in Audacity). In the Effect menu, choose 'reverse.' Press the space bar to play back the reversed audio file. In the File menu, choose 'Export as .wav file,' and save the file with a new name onto your desktop.
Switch back to the Garageband application and simply drag and drop the reversed file onto the mix window. The file will now appear on a new track, ready for playback.
Align the imported reversed audio file with your original file. Play back the audio and adjust the start point of the reversed audio file as needed to fit into your musical arrangement.
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How to Listen to a Music CD on a Mac (5 Steps)

Press the button under the CD drawer to open it. Remove the CD on the tray, if there is one.
Place your music CD flat on the tray and press the button under the CD drawer to close it.
Click on the Apple menu and select Apple CD Audio Player. If it's not listed, use Find File or Sherlock (press Command-F) to locate it.
See your CD show up on the desktop and in the Apple CD Audio Player window. Operate the controls with your mouse just as you would operate a CD player.
Close the Apple CD Audio Player window with the close box, or switch to another application and continue working while you listen to music.
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How to Transfer Video From DirecTV DVR to a Mac

Set your DirectTV DVR to record the program that you are interested in viewing. This will allow the show you want to transfer to be recorded as a digital video file on your DVR.
Connect the audio and video transmitter device to the 'SAT Out' output on your DirectTV DVR. This device allows for a smooth and high-quality transition. Any device that will allow a streaming signal to capture the digital video from the DVR and send it to your Mac will work. There are very few devices created for this purpose on the market.
Connect the FireWire cable from the FireWire output on the video and audio DVR transmitter device to the FireWire input on your Mac. This will allow the device that just downloaded the video file from the DVR to transfer that file in a usable form to your Mac computer for viewing.
Check the file that is created on your Mac to make sure the video and audio transferred from the DVR to the final file now on your Mac. Sometimes video or audio can get distorted in the transfer and before the cables are disconnected a test will save time and hassle.
Load the file in the video player installed on your Mac computer and enjoy the recorded DVR file on your computer.
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How to Connect the Wonderwall Projector to Your Computer

Determine the type of video output of your computer. The most common are VGA, DVI and S-video. Once you know what type of video-out connector your computer has, you need to purchase a cable or an adapter that allows you to connect an RCA cable to this type of connector. You should be able to acquire one online for a few dollars.
Turn off the computer and the projector. It's a good idea to do this anytime youre connecting devices to your computer. If the projector has been used recently, allow it to cool down for several minutes. This is to protect you and the projector's internal components.
Connect the computer to the projector using the appropriate cable and adapter. If you wish to use the projector's speakers, you will also need to connect an audio cable to the computer's headphone or audio line-out jack. If you use a standard 3.5mm dual male audio cable, you will need an adapter that allows you to plug the cable into the projector's RCA jack.
Turn on your computer and the projector. Set the video output on your computer to the mirror external monitor mode. This will cause the projector to display the same image that's shown on your computer screen. You can usually use a combination of the 'Fn' key and one of the 'F' keys at the top of the keyboard to cycle through the video options. The specific key varies according to the computer brand but should have a monitor icon on it. You can also enter the control panel and choose the video output option in the video settings menu.
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How to Use Print Screen Function on Mac

Hold down Apple key ⌘ + Shift + 3 simultaneously to get a picture of your entire desktop. If your audio is turn on, you will hear a click similar to that of a camera. You will then find a picture on your desktop entitled 'Picture N' ,n being the first unused number.
Hold down Apple key ⌘ + Shift + 4 and release to capture a certain area of the screen. A cropping tool will appear and you can select the area of the screen you would like to capture.
To do a screen capture of a specific application window, Hold down Apple key ⌘ + Shift + 4 and release. Click the spacebar and a camera icon will appear. Move this icon to the application window you want to capture and press 'Enter.'
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How to Make a MacBook Pro Output in Mono

Click on the 'Apple' icon located on the left side of your menu bar.
Select 'System Preferences' and choose 'Accessibility.'
Click the 'Audio' tab under the Hearing category.
Check the box that reads, 'Play stereo audio as mono.' This sends mono audio to both the left and right sides of your speakers and headphones.
Close the Accessibility window and your settings will be automatically saved.
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How to Wirelessly Connect a Mac to a TV (3 Steps)

Purchase a wireless converter (See Resources). These converters connect to a VGA source, such as a Mac, and send both audio and video signals to your TV.
Hook up the wireless converter to your TV, and program it. Use the User's Manual with the converter to set up the connection.
Turn on your Mac and the TV. You now see what's on your computer screen on the TV.
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How to Hook a MacBook to a TV (3 Steps)

Plug the Mini-DVI plug of the Apple Mini-DVI to Video adapter into the Mini-DVI port of the MacBook. Plug the S-video cable into the S-video port of the Apple Mini-DVI to Video adapter and then insert the other end of the S-video cable into the S-video port of the TV.
Plug the 3.5mm plug of the Mini-plug to RCA cable into the 'Audio Out' headphone port of the MacBook. Then plug the red and white RCA audio cables of the Mini-plug to RCA cable into the red and white ports of the TV. This lets the sound of the MacBook play from the TV.
Hold down both the 'Command' and 'F2' buttons to have your MacBook detect the TV. Adjust the image settings on the TV by going to the 'Display Panel' of the 'System Preferences,' just as you would when configuring the image settings on your MacBook.
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How to Play a Mac PowerPoint on Television

Insert the mini-DVI to VGA adapter into your Mac's mini-DVI port, and plug the other end of the adapter into your television. For televisions that use RCA or S-video, purchase an additional VGA to S-video adapter and plug the yellow cable into the bottom of the VGA adapter. Plug the yellow cable into your TV's video port.
Plug the audio cable into the headphones port on your Mac, and plug the other end into the audio ports on the television.
Click the 'Apple' icon at the top of your screen, and select 'System Preferences' from the drop-down menu. Click the 'Displays' icon.
Click the 'Arrangement' tab and check the 'Mirror displays' box. Close out of the window by clicking the red button in the upper-left corner.
Open the Applications folder in Finder and double-click the Microsoft PowerPoint icon to run the program.
Click 'File' and 'Open' to search for the PowerPoint presentation you wish to open, and double-click it to open it. Click 'View' at the top of the menu and select 'Slideshow' from the drop-down menu.
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How to Connect an Optoma Projector to a Laptop

Turn off your laptop computer, if it is on.
Plug one end of a VGA cable into the “VGA” port on the back of the Optoma projector. The VGA cable is included with the Optoma projector.
Plug the other end of the VGA cable into the “VGA” port on the side or back of your laptop. If using a Mac, plug the other end of the VGA cable into the “VGA” port on the side of a DVI to VGA adapter. Plug a DVI cable into the “DVI” port on the other side of the DVI to VGA adapter. Plug the other end of the DVI cable into the “DVI” port on the back or side of your Mac laptop.
Plug one end of a 1/8-inch audio cable into the “Audio” port on the back of the Optoma projector.
Plug the other end of the 1/8-inch audio cable into the “Audio” or “Headphone” port on the back or side of your laptop.
Turn on the Optoma projector by pressing the “Power” button on the projector. The projector will take about a minute to start up.
Turn on your laptop. Your computer may auto-detect the projector. You will see your laptop's display projected through the Optoma projector. If you don't see your laptop's display, press the function key on your laptop's keyboard that activates the VGA port on your laptop. Consult with your laptop's manual for more information.
Use the “Audio” buttons on the Optoma projector to adjust the audio transmitted from your laptop.
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How to Select Audio Input on Macbook Pro

Connect the input device to the MacBook Pro via the audio input port.
Go to the “Apple” menu and highlight “System Preferences.” Click on the “Sound” icon in the window under “Hardware.”
Click on the “Input” tab. The built-in microphone is the default selection. To select the input device, highlight “Line In.”
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