Hello, The archive below includes three file: .asoundrc, libaudiostub and espeak-extension. I supply these files as is, (draft stage) for illustrating the use of an external audio lib (libaudiostub) and asynchronous calls using eSpeak.
If you are interested in trying this code, the URL is: http://oralux.org/tmp/eSpeak/espeak-extension-1.0.tgz * firstly install libasound2-dev, eSpeak and its lib_speak.h API. * compile and install libaudiostub. * Then compile and run the test program in espeak-extension. More details follow. It is easier for an application to rely on a TTS which already manages audio output. Unfortunately, these features are sometimes not the ones expected (for example, no Alsa compatibility, no stereo under OSS). I am currently working on an eSpeak speech driver for Emacspeak, I do not forget the forthcoming gnome speech driver since there was a consensus about it at Ubuntu Accessibility. TV Raman (Emaspeak author) uses either ALSA or OSS for his IBM Viavoice speech drivers. With the ALSA driver, a .asoundrc file must be available in the user environment (under $HOME). This speech driver is appreciated. I have tried to factorize/group the OSS or ALSA commands from the Emacspeak Viavoice drivers in a single library (named libaudiostub). If you are aware of an already existing lib compliant with Alsa/OSS, thank you to let me know. My actual eSpeak driver relies on this static library. Just a note: for an unknown reason :-), libaudiostub works as a static lib and fails as a shared library (impossible to set hardware parameters for ALSA). The eSpeak speech driver needs asynchronous calls: an upper layer is added above lib_speak.h for adding these features. There are implemented in the file named libtclespeak/espeak.cpp . I supply to this upper layer the ssml fragments using the say method. I expect that if two consecutive say methods are called, the two consecutive ssml fragments will be said. Gilles -- Oralux http://oralux.org -- Ubuntu-accessibility mailing list Ubuntu-accessibility@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-accessibility
