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Share Your Captures > Output Properties > Video Output to a File > Audio Format Setup

Audio Format Setup

The Audio Format Setup options allow you to configure the name, format, and attributes of the audio output.

The following table summarizes the description and use of each option in the Audio Format Setup dialog box.

Option
Description & Use
Name
This box lists the name, if there is one, of the Audio Format you select or save. This allows you to select an audio format using an understandable name. There are usually some names already assigned. For example, on most computers select Telephone Quality in the Name list box, rather than the more cryptic 11.025kHz, 8 Bit, Mono in the Attributes list. Note that the two are the same because they have the same audio format and attributes.
Add an audio format name using the Save As button and remove an audio format name using the Remove button.
Save As
Select this option to assign a name to a newly created audio recording profile and save it in the dropdown list for later use.
Remove
Use this option to remove an audio recording profile from the dropdown list. To remove a profile, select it from the dropdown list and select Remove.
Format
Select an audio format for a new recording profile by selecting an option from the list box. This box lists the audio format type. Currently the only option is PCM (Pulse Coded Modulation), which is an uncompressed audio data format.
Attributes
This box lists the audio format attributes. The attributes are (from left to right):
Sample Rate in kHz
Number of audio samples per second, or the fidelity of the audio recording.
Sample Size in Bits
How much data to record for each audio sample.
Note
An 8-bit sample size is possibly satisfactory for voice recording. Since using a 16-bit sample size doubles the size of the audio data you record, use it only if you must have the highest quality recording.
Mono or Stereo
The number of audio channels to record. Mono means record one audio channel, Stereo means record two audio channels (right and left).
Note: Stereo is only useful if you are recording with a stereo microphone. Since using a Stereo audio format doubles the size of the audio data you record, use Stereo only if you know you are recording with a stereo microphone.
Data Rate
The data throughput of the audio stream in kilobytes per second (kbps).
Note: For most of the attributes, the higher the number, the higher the quality of the recording and the larger the movie file.


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