VoiceText™ Text-To-Speech TTS Engine and SDK
VoiceText™ Text-To-Speech Engine is the core TTS software component that generates synthesized speech from a given input text. VoiceText™ Text-To-Speech Engine can be used for building custom stand-alone applications such as AAC (Augmented and Alternative Communication) devices, gaming software, automated loud speaker / paging system, and educational software etc. it can also be used simply to output speech from an input text using the provided desktop TTS program.
Natural Sound and Clear Pronunciation
VoiceText™ Text-To-Speech Engine provides very natural and highly intelligible output.
With variable footprints ranging from 16 to over 700 megabytes, VoiceText™ is configurable for use in a wide range of desktop applications.
Multiple Languages, Multiple Voices
VoiceText™ is available as US English, UK English, Latin American Spanish, Canadian French, Korean, Japanese and Mandarin Chinese. A collection of eleven native voices is available across these languages. We constantly develop new languages and voices every year.
Large Extensible Dictionary
Millions of pronunciations are included in the default dictionary of each of the supported languages. VoiceText™ supports customization of the dictionary so that developers can adjust pronunciations, abbreviations, and new terms as needed.
Pitch, speed, volume, and pauses can be customized, both dynamically and by global setting. VoiceText Markup Language (VTML) is provided for inline local customization.
Pre-Processing of Input Text
VoiceText™ automatically handles special input such as dates, times, abbreviations found in addresses, and sentences with mixed languages.
Flexible Data Output Formats
VoiceText™ Text-To-Speech Engine currently supports the following formats in 8KHz, 11KHz, and 16KHz sampling rates. (44KHz on selected voices)
- 16bit linear PCM
- 8bit A-law PCM
- 8bit Mu-law PCM
- 4bit Dialogic ADPCM
- 16bit linear PCM Wave
- 8bit unsigned linear PCM Wave
- 8bit A-law PCM Wave
- 8bit Mu-law PCM Wave
Phonetic alphabets: IPA, X-Sampa, TeleAtlas Sampa, Navteq Sampa, X-Sapi, X-CMU, X-PENTAX, X-PINYIN, X-WORLDBET
VoiceText™ engine SDK supports C-based Application Programming Interfaces (APIs).
|Operating System||Windows 98 or higher.
Linux RHEL 5 or higher, Fedora and Cent OS.
|CPU||Pentium III 500 MHz|
|RAM||128 MB (256 MB Recommended)|
|Database space||64 MB - 900 MB per voice.|
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