1. mmhmm installation and setup

It’s your show.

Hi there! If you’re like us, you’re spending a lot more time on video than ever before. With mmhmm, we’re trying to make that a bit more fun and engaging. Clear, compelling video communication should be easy for everyone.

This article is meant to be a user manual of sorts, so read it in its entirety or use the table of contents to jump around. Check out other articles in this user manual on the right-hand side of this page.

Don’t see the answer to your question? If you’re having technical difficulties or want to suggest a topic for this guide, click here to submit a request or email us at help@mmhmm.app.

Table of contents

Download and install mmhmm

Visit mmhmm.app/downloads and download mmhmm for Mac or Windows. 

Once the software has finished downloading, find the mmhmm installer in the location you downloaded it to (often this is your computer’s Downloads folder), and double-click it to begin the installation. Follow the installer instructions, and once it has finished installing, open mmhmm. 

Mmhmm is designed to work with a number of video conferencing platforms, but you need to take steps to connect them first. Fortunately, doing so is simple: 

mmhmm for Mac

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mmhmm for Windows

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Camera selection

Mac

Windows

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windows_camera_selection.png

 

In order to begin using mmhmm, you must connect your webcam to mmhmm:

  1. Click the “Camera” button in the upper right-hand corner.
  2. In the list, choose the webcam you’d like to use.
  3. Your camera image should appear on the Stage where your camera, slides, and backgrounds are displayed. 

Microphone selection and audio configuration: Testing mic and system sound

Mac

Windows

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If you would like to record your presentation, you will need to connect your microphone input to mmhmm: 

  1. Click the “Mic” button in the upper right-hand corner.
  2. In the list, choose the microphone you’d like to use.
  3. Test your sound by making some noise and watching the sound input level display. If it moves with the sounds you’re making, you’re good to go. 

If you want to use video slides that have their own soundtrack, you must also select mmhmm’s virtual audio as your video conferencing sound input

Selecting and configuring your physical or virtual green screen

There are two types of green screens in mmhmm: physical and virtualA physical green screen is a cloth or painted green background, similar to what TV studios use for special effects. A virtual greenscreen is mmhmm’s way to isolate you from the background of your room to allow those without physical green screens to get professional-looking presentations with mmhmm. 

No, I am not using a physical green screen:

Leave the “I have a green screen” checkbox unchecked and proceed to section 3. Adjusting your appearance.

Yes, I am using a physical green screen:

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  1. Click the “Camera” button in the upper right-hand corner.
  2. In the menu that appears, click “I have a green screen.”
  3. The default color is set to the color of most green screens but you also have the option to choose blue if your background is closer to that hue. To dial in the exact color, use the chroma key picker by clicking on the color wheel.
  4. Adjust the “Threshold” slider to change the sensitivity of green screen detection. Note that you may have to adjust the threshold as the lighting conditions in your room change. 
  5. Play with the camera "Zoom" slider to find the best framing for your setup. Zooming in can crop out any edges that your green screen doesn’t quite cover.
TIP: To crop out the edges of your green screen, go to the "Presenter" tab, and choose Full frame (the rectangular option in the middle). Drag the sides or top and bottom edges to make the camera frame smaller. 

To learn more, read Green screen best practices.

Help—why does my content appear flipped or backward? 

Once you connect mmhmm to Zoom or Meet and test it for the first time, you’ll notice that your slide content is reversed. This is completely normal. This is your conferencing tool flipping your image to match how you see yourself in a mirror to make pointing at your screen or fixing your hair more intuitive. Rest assured, your audience sees everything in the correct orientation

Some platforms allow you to disable this “mirroring” effect, so check your video conferencing tool’s settings. Read more about the mirroring of slide content here

 

Don’t see the answer to your question? If you’re having technical difficulties or want to suggest a topic for this guide, click here to submit a request or email us at help@mmhmm.app.

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