The Dataset

All information on this site is based on a dataset of crawled podcast feeds. Podcasts are added to the dataset by crawling the iTunes podcast directory and fyyd. Additionally feeds can be submitted manually. Feeds are crawled according to the update interval specified in the feed, or every 24 hours if no interval is specified.

The dataset contains 241023 podcasts with 31738254 episodes. 3363304 episodes have been analysed for their audio properties.

Due to the selection process, the dataset is biased towards high ranking podcasts. Using fyyd as a source for new podcasts, introduced a bias towards German podcasts. The podcast language distribution is shown below.

Language	Podcasts	Percentage
English	119183	49.4%
Spanish	24669	10.2%
French	19743	8.2%
German	19143	7.9%
Dutch	10887	4.5%
Portuguese	10161	4.2%
Swedish	7038	2.9%
None	5480	2.3%
Chinese	3887	1.6%
Russian	3534	1.5%
Italian	2166	0.9%
Arabic	2092	0.9%
Persian	1255	0.5%
Polish	1077	0.4%
Danish	973	0.4%
Japanese	907	0.4%
Turkish	842	0.3%
Catalan	810	0.3%
Norwegian	651	0.3%
Ukrainian	569	0.2%
Other	5956	2.5%

The following charts shows the number of analysed episodes in relation to the published episodes.