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IVONA SpeechServer
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IVONA SpeechServer SAPI
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Requirements
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CPU requirements
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X86 (32/64bit), Sparc* (32/64bit)
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X86 (32/64bit)
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RAM
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Recommended min. 128MB for each voice
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Recommended configurations
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1 Depending on used voice/language
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OS
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Linux, MacOSX*, FreeBSD*, Solaris*
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Windows, Windows Server
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Interfaces
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command line, TCP/IP, Unix socket
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SAPI 5, SAPI 4*, command line
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Standards compliance
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W3C SSML 1.0/1.1, W3C PLS 1.0 (with IVONA extensions)
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W3C SSML 1.0/1.1, W3C PLS 1.0 (with IVONA extensions), SAPI markup (with support for mixing with SSML tags)
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Key features
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BrightVoice: superior speech output quality
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Languages and voices
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US English; British English; US Spanish; Spanish; German; French; Polish; Romanian; Welsh; Welsh English; Australian English; Italian; Icelandic; Canadian French; Brazilian Portuguese; Dutch; Danish; Portuguese**; Russian**; Japanese**; Turkish**; DE-English**(Implementation of frequently used Anglicisms in German language model); Flemish**; Special Effects (SFX)/Character voices*
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Sampling rate
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22 kHz (up to 48 kHz*)
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Audio formats
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PCM 16 bit mono/stereo*
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PCM 16 bit mono/stereo*
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Components
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speech server (deamon), tools, documentation, examples (C/C++, PHP, Pearl)
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SAPI component, tools, documentation
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Supported events
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word-highlighting (alignment of text with audio), visemes (lip-sync), SSML events
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word-highlighting (alignment of text with audio), visemes (lip-sync), SAPI bookmarks, SSML events
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Scalability by multiplying speech servers
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Low response (start/stop) time
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Prosody control: volume, speed, pitch
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User level pronunciation lexicon
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(with regular expression rules support) |
(with regular expression rules support) | ||||||
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Language detection
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**
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**
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Phoneme mapping for mixed languages input
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**
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**
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Text preprocessing rules for specific domains
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*
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*
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Dynamic voice and language switching
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Mixing static expressive prompts
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Custom voices: voice branding or custom accent and/or style
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Support for phonetic alphabets
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IPA, X-SAMPA, TeleAtlas®, Navteq™
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IPA, X-SAMPA, TeleAtlas®, Navteq™
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Expressive TTS effects
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**
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**
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Support for text highlighting
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Contrast (feature to extract speech from background noise)
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**
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**
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Support of requests peak handling
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**
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**
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