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 261782 podcasts with 36682394 episodes. 3990141 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	128468	49.1%
Spanish	27025	10.3%
French	21704	8.3%
German	20704	7.9%
Dutch	11695	4.5%
Portuguese	11118	4.2%
Swedish	7559	2.9%
None	6436	2.5%
Chinese	4285	1.6%
Russian	3766	1.4%
Italian	2380	0.9%
Arabic	2262	0.9%
Persian	1403	0.5%
Polish	1149	0.4%
Danish	1079	0.4%
Japanese	1035	0.4%
Turkish	890	0.3%
Catalan	882	0.3%
Norwegian	700	0.3%
Ukrainian	604	0.2%
Other	6495	2.5%

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