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Audio Tab

On the Audio tab, you can view the properties of your input audio source, as well as set the audio options for your SWF output.


These fields describe the unalterable properties of your input audio track:

  • Format: This is the format of the source media.
  • Sampling Rate: The frequency at which the audio was encoded. The number of samples of sound encoded per second.
  • Channels: The number of channels in the source audio (1 is mono, 2 is stereo).
  • Sample Size: The bitrate of the source audio.
  • Duration: The length of the source audio (minutes:seconds).

Output Audio Export Options

Here you may choose whether to save a WAV and/or MP3 of the audio track along with your SWF output, by checking the appropriate box.

By checking either box, the output file name is the same as the output SWF, such as my_movie.WAV. To save the audio to a custom name, select "Filename" and click "Browse" to select the directory and the desired filename.

Please note that choosing either ".WAV" or ".MP3" does not remove the audio track from your SWF. You might want to save a WAV, for example, in order to import the audio into Macromedia Flash (Flash will not import the soundtrack of your Flix-generated SWF because Flash can not import MP3 even in SWFs).

Output Audio Options

There are three main settings which determine the way your source audio is encoded: sampling rate; bitrate; and, stereo/mono.

  • Sampling Rate: this is the frequency, or the number of samples per second, at which the audio is encoded. This is measured in Hertz (Hz).
  • Bitrate: this value determines the amount of information used to store the audio in the output SWF. This is measured in kilobits (1000 bits = 125 bytes) per second (Kbps). Higher bitrates lead to higher quality audio AND larger SWF filesize, but do not significantly affect RAM consumption on the viewer's machine. 128 Kbps MP3 audio is generally considered to be equivalent to CD audio.
  • Stereo: By checking this box, your audio is encoded in 2 channels. A setting of mono will result in better audio quality at lower bitrates.
» Level Basic

Added: 2001-01-12
Rating: 6 Votes: 17
(10 being the highest)
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