MacinTalk 3 introduced a great variety of voices. It remained the recommended version for slower machines even after the release of MacinTalk 3 and Pro. It supports any Macintosh running System Software 6.0.7 or later. Hughes and Marvin voicesĮventually, Apple released a supported speech synthesis system, called MacinTalk 2. Input to the synthesizer can be controlled explicitly using a special phoneme alphabet. The volume, pitch and rate of the speech can be configured as well, allowing for singing.
There are various control sequences that can be used to fine-tune the intonation and rhythm.
#TEXT TO SPEECH SOFTWARE FOR APPLE MAC MAC OS#
American English and Spanish versions have been available, but since the advent of Mac OS X, Apple has shipped only American English voices, relying on third-party suppliers such as Acapela Group to supply voices for other languages (in OS X 10.7, Apple licensed a lot of third-party voices and made them available for download within the Speech control panel).Īn application programming interface known as the Speech Manager enables third-party developers to use speech synthesis in their applications. Compared to other methods of synthesizing speech, it is not very resource-intensive, but limits how natural the speech synthesis can be. Software Speech synthesis Technology Īpple's text-to-speech uses diphones.
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