These days, additional and additional people today use text-to- speech application to enhance their reading efficiency and save time. As an significant element of the text-to- speech technologies, voices, i.e. speech engines, are the soul of text-to- speech application. Simply because text-to- speech application should invoke them to synthetic speech.

Nevertheless, the default voices shipped with operating systems, for instance, Microsoft Sam on Windows XP, are not pretty all-natural-sounding. Basically, you require to set up additional higher-good quality voices. Thankfully, there are quite a few speech engines obtainable on the Web currently, such as Microsoft more voices, Lernout & Hauspie TruVoice and TTS3000, AT&T Organic Voices, Cepstral, IVONA, and so on.. Most of these voices are greater than the default on your program.

Right here is a list of text-to- speech voices obtainable on the Web.

Microsoft Mike, Mary –

Microsoft Mike and Microsoft Mary are optional male and female voices respectively with greater good quality, obtainable for download from the Microsoft web-site or other third celebration text-to- speech connected web sites.

The most noticeable function of these 3 is there are each SAPI four and SAPI five versions of them. SAPI five versions are only obtainable on Windows 2000 and later Windows NT-primarily based operating systems. As an exception, the SAPI five versions of these voices can't be installed on Windows Vista and Windows 7. The SAPI four versions are additional compatible. They can be installed and utilized on Windows 98 and all the later Windows operating systems.

Frequently, the greater SAPI version, the greater good quality.

Microsoft Anna –

Microsoft Anna is the default English voice shipped with Windows Vista and Windows 7. Microsoft Anna is a SAPI five-only speech engine and is created to sound additional all-natural than the prior program default voice Microsoft Sam.

This exceptional female voice is base on the new Microsoft SAPI five.three/five.four. So you can't use it on Windows XP straight and also there is no standalone installer of this voice on the Microsoft web-site. The only way to use this superb voice on Windows XP is by the Microsoft Streets & Trips. The Microsoft Streets & Trips 2006 and later versions set up the voice and the new Microsoft SAPI onto Windows XP computer systems for the voice-prompt path function.

Some third celebration text-to- speech connected web sites provide smaller sized repacked Microsoft Anna installers for Windows XP customers. Nevertheless, it is incomplete and not operating appropriately on Windows XP mainly because the SAPI version of Windows XP is five.1.

Cepstral Voices –

These higher good quality voices take up significantly less disk space (typical significantly less than 50mb) than most premium voices, do not use as a lot processor energy, and are pretty rapidly when producing audio files.

AT&T Organic Voices –

An award winning text to speech technologies created by AT&T Laboratories. Organic Voices is believed by quite a few to be the most all-natural sounding TTS obtainable, the “very scalable” multi-threaded technologies can automate and add tremendous interactive and humanistic worth to a wide wide variety of applications and projects.

IVONA Voices –

Human voices for your Computer – Use the most all-natural Text-To- Speech voices ever heard for exciting and function.

CereProc Voices –

Higher-good quality voices for computer systems operating Microsoft Windows XP and Vista/7. It can replace the default American English Microsoft voices with a wide variety of other accents and languages. CereProc's Windows voices are compatible with Microsoft SAPI5, and all voices are 22khz for exceptional clarity and naturalness.

Lernout & Hauspie Voices –

Lernout & Hauspie Speech Merchandise, or L&H, was a top Belgium-primarily based speech recognition technologies business. This business released dozens of higher-good quality SAPI four voices across many languages, which includes ten American English voices and two British English voices.

In addition, Lernout & Hauspie Michael and Michelle are also optional male and female voices licensed by Microsoft from Lernout & Hauspie, and obtainable by way of Microsoft Workplace XP and Microsoft Workplace 2003 or Microsoft Reader.