ContentDepot FAQ for Producers

Questions about Preparing Files for the ContentDepot

What are the file formats for uploading audio to the ContentDepot?

Broadcast audio (episode segments and on-air promos) must adhere to the following standard:

File format: MP2 (MPEG1, Layer II)
Mode: mono or stereo
Bit Rate: 128 kbps for mono or 256 kbps for stereo
Sampling Rate: 44.1 KHz
Word Length: 16 bit
Frame Padding: must be turned off
ID3 (Audio) Tags: must be turned off

Do I still need to include silence at the beginning and end of each file?

A half second of audio silence at the beginning and end of each segment is required to prevent up and downcutting. Remember to calculate this silence into your total episode length. The ContentDepot will provide a total episode length when all segments have been uploaded that you can use to confirm the proper length.

Encoding Tools

The following encoding tools have been tested with the ContentDepot and can make ContentDepot-compliant files. This information does not constitute an endorsement of any of the organizations or products listed, and all content is subject to change.

Product	Platform	Compliance
Adobe Audition V3.0	Windows	MP2 plugin available http://www.qdesign.com/
Awave V9.1 (FMJ-Software)	Windows	Compliant
BarbaBatch	Mac OSX	Can produce ContentDepot compliant files with a software upgrade
CD Audio Extractor 1.51	Windows	Compliant with ID3 tags turned off
CDex V1.51	Windows	Can produce ContentDepot compliant files if you turn off ID3 tags. Free download available
CD Extractor Pro (Prophet Systems)	Windows	Compliant
Cool Edit 2000 1.1	Windows	Compliant
ENCO	Windows, Mac	Under evaluation.
PRX Encoder 2.0	Windows, Mac OSX	Can produce ContentDepot compliant files using version 2.0. Can be downloaded at no charge from the PRX site for public radio use. (Go to "help" and look for member tools.)
Smart Audio Converter	Windows	Compliant

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