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Category archives: Audio

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The second post of this comparison series is about metadata in MP3 files. Metadata allows information such as the title, artist, comments, cover image and other information about the audio to be stored in the file itself. MP3 files use ID3 tags and in the following I will compare common tags, image details and ID3 ...

This is the first entry out of a series of posts, where I compare various aspects of popular podcasts. Part 1 is about file formats, bitrates, samplerates, channels, size, length and filenames.

The selection is based on Flattr podcast charts (mostly german), iTunes Store Top 10 Podcasts (english, german), podcasts by public radios (english, german ...

Last weekend, 15. + 16. October 2011, the first austrian podcast barcamp (#pccvie) took place in the charming sektor5 coworking space in Vienna. We had really inspiring discussions with many local podcasters and technicians, for some detailed reports in german see Podcastcamp 2001 by Nico Grienauer and Podcast Barcamp: Ein tweetiger und booiger R├╝ckblick by Robert ...

After recording a podcast or speech audio, it is usually necessary to modify the recorded levels. This post illustrates how to normalize the subjective loudness and how to compress the dynamic range (= difference between the loudest and softest sounds) of an audio file.

Loudness normalization is one of the most common misunderstandings in audio post ...

Many different audio file formats exist for storing recorded audio data on a computer system. This post compares multiple file types and gives suggestions on which formats and bitrates one should use, especially when producing podcasts or other online audio.

We also added two listening examples to compare MP3, AAC and Opus files at various ...