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Basics of character dialog

Once again Reallusion has minimized a tedious, labor-intensive process and somewhere along the way made dialog fun to add and work with iClone. Dialog can consist of multiple characters and can be as complicated or as simple as the scene or mood calls for.

Reallusion has taken most of the work out of this part of the production process (pipeline) and turned a difficult animated process into more of a timing exercise, which we will learn more about in the animation chapter. iClone takes the work off of you so you can concentrate more on the timing of your dialog to get those "just right" sequences.

Lip-sync

Lip-synching in iClone is as basic as typing in dialog or loading an audio file. iClone takes care of the mundane but important lip sync work as it analyses and applies the basic phonemes after loading the audio file.

That's it. No weeping or gnashing of teeth as iClone does a very respectable job of it. The lip-sync can be further tweaked using Reallusion's Crazy Talk to export, analyse, and tweak in minute detail the facial expressions and lip-sync then reimport.

It is not always necessary to use Crazy Talk, as iClone will do an excellent lip-sync job by itself and you can add more spice to the dialog with the facial puppeteering feature.

Recorded audio will need to be in as good quality as possible and the voice must be audible. The better the recording the better iClone can analyse and implement the lip-sync.

A lot of users prefer MP3 audio format as it is very compact, but many use high quality wav files too. It really doesn't matter which format so much as it matters about the quality of the recording.

USB headphones and mics are great and can record nice dialog but if it's within your budget to get a quality USB microphone like a Blue Snowball then do so, as the clearness of the spoken lines helps in the lip-sync process.

Adding dialog

There are three basic types of dialog input in iClone:

  • Text-to-speech: Typed directly from the iClone interface
  • Direct Record: Record the dialog directly into iClone via a microphone
  • Audio Files: Imported into the selected actor

Creating dialog using the interface

Text-to-speech has been around a long time. In fact, it has been under development for so long it is now taken for granted. iClone has a built-in text-to-speech converter.

The text-to-speech feature is a very simple and straightforward tool. You will find the feature under the Animation tab, Facial Animation button, then over to right menu for the Text-to-Speech section under the Import Voice/Add Emotion section.

Select the proper character and type in the dialog and you have instant voices for your characters. To have a conversation between two characters you must highlight each character while typing in that character's dialog:

Creating dialog using the interface

Text-to-speech options include:

  • Volume
  • Pitch
  • Speed
  • Voice Selection (Microsoft Anna is the default voice)

There are many voices available out there but Microsoft Anna was the only voice that was installed on my system. AT&T and other vendors have commercial voices available too. Just search the Internet for AT&T Labs and Cepstral online demos. There are male and female voices as well as accented voices.

While text-to-speech voices are nice they are not capable of producing a decent dialog and will detract from any animation work no matter how good it may be. In fact, in The Movies Underground community it is one of the most common complaints and almost no movie made with text-to-speech voice gets out unscathed.

The argument against using text-to-speech is that it always takes away from good work created by the filmmaker, as some viewers are so opposed to hearing it they cannot get into the storyline. No matter how good the voice synthesis may be, the majority of viewers do not like mechanical voices unless the characters are robots.

None the less the feature is available and has its place and its uses but don't expect mainstream media viewers to be impressed with the faulty diction and sometimes horrid delivery.

Recording dialog using a microphone

If your voice actors are available or if you do some of your own voice overs, Reallusion has included a direct recording option. This option works with the system sound card and microphone. If the computer system recognizes the microphone then iClone should recognize it too.

To record directly into iClone your computer system must have a properly functioning microphone and sound system. Headset microphones can work and produce good quality recordings but if you wish to get a superior recording then good microphones can make a big difference in quality.

The popup Record wave dialog is simple and efficient, providing an easy interface to control the recording. Included is a play feature to replay what you just recorded before continuing:

Recording dialog using a microphone

Direct recording might not be feasible for all projects or all aspects of a project but it can produce great results in terms of sound quality, dependent on your sound components.

Inserting audio files

Audio files are the most common method of importing dialog into iClone. The method is straightforward .

Only WAV and MP3 formats are compatible at this time.

We will be using dialog in the next chapter so to be prepared for this let's go over the basics of importing or loading dialog into a character.

The basic steps are as follows:

  1. Click on the actor.
  2. Go to the Animation tab, then Facial Animation.
  3. Click on the Open button:
    Inserting audio files
  4. Import a voice file in either MP3 or WAV format.
  5. iClone will load the file then analyse it for lip-syncing.

It cannot be stressed enough that dialog recordings need to be in the highest quality possible when the actor is recording the dialog. Quality microphones make a huge difference in lip-sync and other aspects of dialog.

There several great open source and inexpensive audio editing software applications available to fit our needs. My personal favorite low-cost audio editor is Goldwave (www.goldwave.com), and the open source Audacity (audacity.sourceforge.net) is priced even better, it's free!

Some of the more compelling features of Goldwave are the Copy and Paste New buttons that with two mouse clicks can copy and then paste that copy into a newly opened file. This is handy when an actor sends in their lines in one or several large files that require the lines to be edited out into individual files. Goldwave also has good noise filtering, hum/buzz removal, and other features like volume control that can increase or decrease volume. It also has pop and click removal which is present in a lot of PC recordings. A pop screen for your microphone can help to reduce or eliminate that problem too.

Finding voice actors

There are voice actors available and many are willing to work on good projects for nothing more than proper credit. Getting voice actors is never easy but one way to get a head start on this important task is to join a community like The Movies Underground (www.tmunderground.com).

You will find a forum that welcomes casting call threads and an active voice actor community as TMUnderground is a common area for voice actors to find roles and directors to find the actors. Unless otherwise noted these are non-paid roles and some are animated by top tier directors, animators, and storytellers.

The best way to get started is to join the community websites and watch, rate, and comment on the movies at TMUnderground. Get known around the community and post some demo reels of your work, if possible. Let people know that you are looking for voice actors and let them get to know you by posting comments on their movies.

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