The IBM ViaVoice Text-To-Speech SDK (Software Developer Kit) is a software authoring and voice output program designed for use by software developers in making their programs accessible to individuals who are blind or have low vision or learning disabilities. This program can be used to create voice output for Windows or Linux applications, including applications with limited system resources such as ATMs. An almost unlimited number of voices can be generated by modifying gender, pitch, head size, roughness, and other features. The program is available in separate versions for specific operating systems (Windows or Linux) and languages. Windows and Linux versions are available for US English, UK English, Simplified Chinese (Mandarin/China), Traditional Chinese (Mandarin/Taiwan), Danish, Finnish, French, French Canadian, German, Italian, Japanese, Brazilian Portuguese, Mexican Spanish, and Castilian Spanish. Windows versions only are available for Cantonese (Hong Kong Chinese), Norwegian, and Swedish. COMPATIBILITY: For use on IBM and compatible computers. SYSTEM REQUIREMENTS: 166 megaHertz (MHz) processor with MMX and 256 Kilobytes L2 cache; 48 megabytes (MB) RAM; 10 MB available hard disk space, with an additional 4 MB for each TTS Run Time language installed; Linux or Windows 98, 2000, ME, XP, or NT 4.0 operating system; 16-bit sound card.