Digital Signal Processing Reference
In-Depth Information
Figure 1-1.
Data Collection Vehicle
2.
IN-CAR SPEECH DATA COLLECTION
We have carried out our extensive data collection starting 1999 through
2001 over 800 subjects both under driving and idling conditions. The
collected data types are shown in Table 1-1. In particular‚ during the first
year‚ we have collected the following data from 212 subjects: (1) pseudo
information retrieval dialogue between a subject and the human navigator‚ (2)
phonetically balanced sentences‚ (3) isolated words‚ and (4) digit strings.
In the 2000-2001 collection‚ however‚ we have included two more
dialogue modes such that each subject has completed a dialogue with three
