Speech Data---Car (SDC)

The objective of the SDC Program is to develop speech corpora to support in-car automatic speech recognition technology research and development. This project is formed by a series of in-car data collections in various languages conducted in native countries, and the project will increase by request. These corpora were specially designed for the purpose of training and the testing of recent ASR in car applications and will be licensed upon request.

SDC data overview
Languages: Chinese, Korean, Japanese, Canadian French, France French, Spain Spanish, Mexico Spanish, American Spanish, Italian, German UK English and Russian.
Note: the language can be increased by request. 

General information

Script Design
All the scripts were specially designed for in-car speech recognition application training and testing purposes.

Recording platforms
The recording tracks are made in Windows XP SP2 by a multi-channel recording system, AUDIOREC. The recording equipment is listed below. (Table 2-1)

                                                           Table 2-1 Recording platform

Speaker's demographic information
In order to cover as many speaker specific factors as possible in the database recordings,the project will be performed in native countries and the following three broad categories are identified for coverage: gender distribution, age distribution and dialectal distribution.

   Gender balance
The database will consist of 50% (± 5%) male + 50% (± 5%) female speakers.

   Age distribution
For this project, speech data will be collected in the following age categories: