Podcast recording recommendations
  • 03 Aug 2022
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Podcast recording recommendations

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When recording and publishing podcasts every producer has different needs, tools and goals.

General recommendations

We can make some generalised requirements for getting the best quality out of your podcast audio for online distribution:

  • Always record and edit audio in a lossless format like WAV.
  • Record and edit in 24-bit samples at a 48kHz sample rate.
  • Do not use this format for distribution, rather create a final mix to 16-bit / 44kHz.
  • Keep peaks below -1 dBFS to leave headroom for different normalise and compression operations.
  • Avoid applying heavy limiting and dynamic compression effects when creating your master.
  • Don't up sample to a higher rate than the original.

iono.fm Import process

  • Use a lossless format only if you are publishing music podcasts.
  • When uploading lossless audio, use FLAC instead of raw WAV files.
  • Almost all podcast content should rather use lossy compression.
  • We recommend uploading files to our platform encoded with AAC-LC codec with 44kHz sample rate and 160kbps bitrate.
  • We distribute all files as stereo. For mono input we duplicate the audio channel to create stereo output.
  • We perform EBU R128 perceptual loudness normalisation at a Integrated Loudness target of 16 LUFS, a loudness range of 11 LUFS and True Peak limiting to -1.5 LUFS.
  • Low quality output formats downsample to 24kHz and 32kHz sample rates, while high quality output uses 44khz.

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