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A podcast is like a radio show you made once, but you can offer indefinitely online for downloading and listening to later.

A podcast is like a radio show you made once, but you can offer indefinitely online for downloading and listening to later.

 

Why limit your audio quality?

Choosing the best bit rate for your podcast is a balance between sound quality and download speed.

While you might be happy to offer your podcast for free, your customers could experience it as costly when they see their data bill.

A big portion of the internet is being browsed on mobile phones and disk space and processor capacity are limited.

Optimised audio files can keep the file size and thus the bandwidth strain at a minimum.

 

Optimise your audio files

When determining the minimum acceptable sound quality you need to consider what components your recording consists of:


1) Voice only: 64 kbps – e.g. a simple spoken word recording

For voice only 64 kbps is more than enough. If it’s really about keeping the file size down you can record voice as low as 24 kbps.


2) Voice and sound effects / music: 128 kbps – e.g. a radio play

If you have any added sounds on your recording, you’ll require at least 128 kbps. The BBC radio play podcasts come at 128 kbps.


3) Music: 320 kbps – e.g. a band recording

320 kbps is considered CD quality. But quality for music is an open end depending on what sound experience you like and if you have the equipment to appreciate it. If you don’t want to hand out high quality tracks, 128 kbps is still acceptable.

 

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