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Working with audio from video

From: Audition CS6 Essential Training

Video: Working with audio from video

In this chapter, we're going to look at working with the audio from video projects. Maybe you need to adjust some dialog in a movie or get rid of an unwanted noise in a video interview, or maybe just want to add some background music to an existing file. Audition can do all of that and more. Now there are a couple of ways of getting a movie into Audition, including importing it in from a Premiere Pro project, which we'll look at how to do a little bit later. For this example, let's take a look at working with a stand-alone movie file. On my Desktop I have a folder called Farm Project, and inside it there's a movie called farm_project_intro.mp4.

Working with audio from video

In this chapter, we're going to look at working with the audio from video projects. Maybe you need to adjust some dialog in a movie or get rid of an unwanted noise in a video interview, or maybe just want to add some background music to an existing file. Audition can do all of that and more. Now there are a couple of ways of getting a movie into Audition, including importing it in from a Premiere Pro project, which we'll look at how to do a little bit later. For this example, let's take a look at working with a stand-alone movie file. On my Desktop I have a folder called Farm Project, and inside it there's a movie called farm_project_intro.mp4.

I'm going to drag that into Audition's Files panel. Now we've seen this before, but just to review, when you drag a video file into Audition it splits the audio and video portions of the movie up. Notice we have an MP4 file and the audio file. Now remember Audition has no video editing capabilities. The only thing the video track is used for is so you can watch it while you're working on your audio, which is useful and necessary if you're designing a soundscape to sync up with what's going on in the video. For example, adding sound effects or music to key points in the video.

Now if I just wanted to edit the audio I can double-click it, and it opens in the Waveform Editor. And from this point I can start editing this waveform like any other audio file. But I can't double-click the video to do anything with it. Again, I'm told that this is only a video and it can't be edited. Now to view the video, I have to put it into a Multitrack Session. So if I want to edit my audio while keeping an eye on the video, I need to switch to the Multitrack Editor. I'll call this Farm Project 01. Keep it saved to the Desktop, I won't use a template for this. And since I'm working with video, this will be a 48K sample rate, we'll leave the Bit Depth and the Master the way they are, and I'll click OK.

So now I'm looking at my Multitrack Session. I'm going to drag the video file onto Track 1. It's not really going to go on to Track 1, but dragging here tells Audition that I want to create a video track, and when I release my mouse you can see that it creates a video track above the audio tracks. I could have also gone to the Multitrack menu to track and chosen Add Video Track from here and then drag my video onto it. Now this option is currently grayed out because I already have a video track open and you can only have one video track in your Multitrack Session. All right, I'm going to drag the audio on to Track 1.

Now I probably want to make sure my Video panel is nice and large. Better yet I can go to the Workspace menu and switch to the Edit Audio to Video Workspace. Now if I had a Dual Monitor setup, I would probably drag the Video panel onto my second monitor so I could see the video at a larger size, but this is fine for my single monitor setup. And I'll go ahead and play a bit of this. So obviously no audio yet.

(male speaker: My name is BD Dautch, and I have Earthtrine farm, where we've been since 1998. And we've got about 10 acres in Ojai, and it's all certified organic by CCOF. And we grow about a hundred different herbs, vegetables, flowers, fruits, and we sell mostly at the farmer's market.) Okay, so you can see that the audio and video are still perfectly synced up even though they are on separate tracks. So at this point I'm free to work on this project like any other Multitrack Session.

Maybe I want to add some compression to this track. Let's go to the Single-Band Compressor, maybe I will choose the Voice Leveler and let's give that a listen... (male speaker: And also we sell to caterers, schools, restaurants--) Bump up the output a little bit. (male speaker: We try to keep it all local.) All right! And since this is the Multitrack file, I can record or input other audio tracks as well. Now there's a lot of silence here at the beginning of the session. I have a track with some ambient sounds I could bring in.

Go back out to the Farm Project Folder here, and there's a file here called background_audio.wav. I'm just going to drag that right on to Track 2 of my project. Now I'm being told that the Sample Rate of this file doesn't match the Sample Rate of the session and if I click OK, Audition will create a copy of that file, which will then be conformed to match the sample rate. So basically it's just going to convert the sample rate of this file, which is fine. I'll click OK. So there is my background audio file, and now let's listen to the beginning... (video playing) (male speaker: My name is BD Dautch--) All right! So that fills it in a little bit better.

Now because of the compression, I'm hearing a little bit of noise crop up right before the dialog starts. So I'm going to trim the clip a little before the dialog starts. Again, we can just do that by dragging in, zooming on that a little bit more, and I am just going to add a slight fade here at the beginning. Listen to that... (male speaker: My name is BD Dautch--) Yeah, that works better for me. Now because Audition doesn't edit or export video, I can't save my movie from here. I can only export the audio.

So I'll choose File > Export > Multitrack Mixdown, and then choose to export the Entire Session. I'll change this to the WAV format so there's no compression applied. It will be saved to my Desktop, file Name is Farm Project 01_mixdown.wav. Leave all the other settings the way they are and click OK. So now on my Desktop I have the Mixdown WAV file. I can open that with any application that plays audio. Let's listen to it... (video playing) (male speaker: My name is BD Dautch, and I--) To sync this back with my video, I have to open that video in my original video editing application--or any other video editing application for that matter--and then bring this audio in to replace the original audio.

So Audition's role in this was to give me the freedom and power to do anything I needed to do with the audio and then export that audio file. I have to turn to another application to put this new audio into the original video. But as you have now seen, it's really simple to open and work with the video in Audition. In the upcoming movie, we'll take a look at how to export a project directly from Adobe Premiere Pro into Audition.

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This video is part of

Image for Audition CS6 Essential Training
Audition CS6 Essential Training

56 video lessons · 22604 viewers

Garrick Chow
Author

 
Expand all | Collapse all
  1. 1m 7s
    1. What is Audition?
      1m 7s
  2. 1m 55s
    1. Welcome
      54s
    2. Using the exercise files
      1m 1s
  3. 21m 6s
    1. Understanding the Audition interface
      8m 49s
    2. Setting up input and output
      4m 7s
    3. Setting essential preferences
      8m 10s
  4. 25m 3s
    1. Importing audio files
      6m 39s
    2. Extracting audio from a CD
      4m 6s
    3. Importing video files
      2m 21s
    4. Recording audio
      4m 50s
    5. Creating a multitrack session
      7m 7s
  5. 8m 8s
    1. Understanding frequency
      1m 50s
    2. Understanding amplitude
      1m 40s
    3. Understanding sample rate
      2m 34s
    4. Understanding bit depth
      2m 4s
  6. 37m 59s
    1. Understanding the Waveform Editor interface
      6m 2s
    2. Making selections
      6m 5s
    3. Adjusting the clip amplitude
      2m 49s
    4. Fading clips
      4m 5s
    5. Normalizing
      5m 17s
    6. Copying, cutting, and pasting
      7m 40s
    7. Undoing, redoing, and using the History panel
      4m 5s
    8. Generating silence
      1m 56s
  7. 24m 1s
    1. Using the Spectral Frequency Display
      2m 53s
    2. Using the selection tools
      7m 18s
    3. Using the Spot Healing Brush
      6m 34s
    4. Removing background noises
      7m 16s
  8. 46m 31s
    1. Understanding destructive vs. nondestructive effects
      12m 35s
    2. Applying compression
      9m 20s
    3. Understanding reverb vs. delay
      4m 44s
    4. Working with filters and EQ effects
      6m 46s
    5. Using special effects
      4m 26s
    6. Isolating vocals in a stereo track
      4m 27s
    7. Working with time and pitch effects
      4m 13s
  9. 1h 18m
    1. Creating a multitrack session
      6m 1s
    2. Recording and importing audio
      9m 42s
    3. Understanding the multitrack interface
      5m 20s
    4. Understanding the Mixer panel
      6m 13s
    5. Editing clips in Multitrack View
      9m 49s
    6. Grouping clips together
      2m 43s
    7. Creating bus groups
      7m 42s
    8. Routing and working with sends
      4m 7s
    9. Using automation
      12m 25s
    10. Pre-rendering tracks
      2m 19s
    11. Exporting the mix
      4m 13s
    12. Exporting the session
      3m 22s
    13. Burning the mix to a CD
      4m 45s
  10. 25m 17s
    1. Working with audio from video
      6m 23s
    2. Importing a sequence from Premiere Pro
      3m 59s
    3. Adding a soundtrack to a video
      3m 45s
    4. Exporting a session back to Premiere Pro
      3m 32s
    5. Using Automatic Speech Alignment
      7m 38s
  11. 9m 46s
    1. Understanding the interface
      6m 17s
    2. Using pan envelopes
      2m 44s
    3. Exporting a multichannel mix
      45s
  12. 52s
    1. Next steps
      52s

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