S0027 : Siemens Telephone speech database

The so-called SieTill database contains the recordings of 730 speakers (338 females, 392 males), recorded over the German fixed telephone network, who uttered a total of 36,000 utterances. The recordings were made via an Automatic Speech Server attached to an ISDN-line. The speakers called from different locations in Germany, using their personal telephone sets.

The main German dialects are covered.

Each speaker uttered the following prompted and spontaneous items:

• 3 digit-sequences (continuous): 34 combinations
• 5 digit-sequences (continuous): 2 combinations
• date of call, time of call
• birthday of caller, first name of caller
• spelling of first name
• "ja", "nein", "richtig", "falsch"
• arbitrary amount of money
• arbitrary date
• arbitrary telephone number (arbitrary speaking style and isolated digits)