Answer:
mp3 file format
Step-by-step explanation:
Mp3 is an acronym for MPEG Audio Layer-3 and it is a coding file format used to compress audio into smaller digital files that can be easily stored and transmitted in computers and use in compatible media players.
This file format was developed by the Moving Picture Experts Group (MPEG).
To create a podcast, you need a computer with a microphone to capture the audio input, software that allows you to export the audio file in the mp3 file format.