Defining the conversion settings for your project

In the Conversion tab of the Project Settings dialog, you can carry out the following tasks:

Specifying the default conversion settings

After you have created the Conversion Settings ShareSets for your project, you can specify which one you want to use as the default.

The default Conversion Settings ShareSet is used in the following situations:

When a new object is created - The default ShareSet will only be used if the new object is a top-level parent object. If the new object is a child of another object, it will inherit the Conversion Settings assigned to the parent.
During SoundBank generation - If an object has not been assigned a Conversion Settings ShareSet, the default ShareSet will be used to convert the object before the SoundBanks are generated.

To specify the default Conversion Settings ShareSet:

Open the Project Settings dialog by doing one of the following:
- From the Project menu, select Project Settings.
- Press Shift+K.
Switch to the Conversion tab.
In the Default Conversion Settings group, click the Browse button (...).
The Project Explorer - Browser opens.
Select the ShareSet that you want to use for your project's default Conversion Settings.
Click OK.

Defining the sample rate automatic detection settings

Deciding on the best sample rate for your media files can be difficult and time-consuming. To help speed up the process, you can have Wwise perform an analysis of each file using the Fast Fourier Transform (FFT) algorithm. At a very basic level, Wwise uses the FFT to generate a spectral analysis of the media file by analyzing the sound wave one portion at a time using a Hanning window. A cutoff volume or threshold identifies a frequency that is used to determine the best sample rate at which to convert your files. As part of your Project Settings, you can define the size of the Hanning window used by the FFT algorithm as well as the threshold levels for three different quality settings: High, Medium, and Low. These threshold settings are used when you select Auto High, Auto Medium, or Auto Low as your sample rate conversion method.

	Note
	The volume threshold values are used in the context of a normalized spectrum.

To define the automatic sample rate detection settings for your project:

Open the Project Settings dialog by doing one of the following:
- From the Project menu, select Project Settings.
- Press Shift+K.
From the FFT window size list in the Sample Rate Automatic Detection group, select the size of the Hanning window that will be used by the FFT algorithm to analyze the sound wave.
In the Volume Thresholds group, specify the cutoff volume level used by the FFT algorithm for each of the following quality options:
- Low quality - A cutoff volume level that identifies the frequency that is used to determine the best sample rate at which to convert your files. The low quality threshold is used when the Auto Low option is selected as your conversion sample rate.
- Medium quality - A cutoff volume level that identifies the frequency that is used to determine the best sample rate at which to convert your files. The medium quality threshold is used when the Auto Medium option is selected as your conversion sample rate.
- High quality - A cutoff volume level that identifies the frequency that is used to determine the best sample rate at which to convert your files. The high quality threshold is used when the Auto High option is selected as your conversion sample rate.
  Note
  A higher threshold level will result in a lower quality sample rate being used in the conversion process and a smaller file size.
Click OK to save your settings and close the Project Settings dialog.

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