Speech Data ----Mobile (SDM)

The objective of the SDM Program is to develop speech corpora to support speech recognition technology research and development for mobiles. This project is formed by a series of mobile data collections in 20 languages conducted in native countries.  These corpora were specially designed for the purpose of training and testing of recent ASR applications of mobile and will be licensed upon request.

SDC data overview
Languages: it will be 20 languages in plan and some new languages will be added based on client's demands.

Script Design
All the scripts were specially designed for mobile recognition application training and testing purposes.

Recording platforms
Kinds popular mobiles such as Nokia, Samsung, i-phones, and Blackberry will be chosen for use. Some globally popular Bluetooth devices were used and balanced in different projects such as:
         MOTOROLA H375
         JABRA BT2020
         JABRA 4010
         PLANTRONIC Discovery 975
         PLANTRONIC Voyager PRO
         SAMSUNG WEP250
         I TECH Oval 303
         NOKIA BH102

Speaker's demographic information
In order to cover as many speaker specific factors as possible in the database recordings, the project is 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: