Project description: Car Speech Corpus (Car03)

---

◦ Word speech in car driving environments 
◦ A total of 400 speakers
◦ Vehicle: car at 2,500 cc, RV 
◦ Driving environment
◦ Sampling and data format
 - microphone: 24,000 Hz, 16 bit Windows wave format
 - handsfree: 8,000 Hz, 16 bit Windows wave format 
◦ Prompts
 - 900 single digits and quadruple digits
 - 63 dialing commands
 - 306 car audio control commands
 - 124 car control switch commands
 - 57 navigation commands
 - 121 PDA commands
 - 446 place names (district or higher level) 
 - 53 main road names (national highway or higher level)
◦ Per speaker
 - 1 set (207 items)