Android TTS speaks 0 as "oh" -

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when using android texttospeech speak messages have digits, android speaking 0 (zero) "oh" rather "zero". other digits spoken expected.

i've tried couple different ways speak, of them result in issue. first, tried in normal way:

    mtts = new texttospeech(mcontext, this);     string text= "this test";     string digits=  "0 0 0 1";     string finalstring= text+digits;      // speak using google tts     bundle lparams = new bundle();     lparams.putint(texttospeech.engine.key_param_stream, constants.tts_audio_stream);     mtts.speak(finalstring, texttospeech.queue_flush, lparams, "");

i tried digits "0001" (no spaces). both ended spoken "this test oh oh oh one". next, tried using ttsspans:

    mtts = new texttospeech(mcontext, this);     string text= "this test";     string digits=  "0 0 0 1";     string finalstring= text+digits;     spannable lspannedmsg = new spannablestring( finalstring );     ttsspan lspan = new ttsspan.digitsbuilder(digits).build();     ttsspan lspantext = new ttsspan.textbuilder(text).build();      lspannedmsg.setspan(lspan, finalstring.indexof(digits), finalstring.indexof(digits) + digits.length(),spannable.span_exclusive_exclusive);     lspannedmsg.setspan(lspantext, finalstring.indexof(text), finalstring.indexof(text) + text.length(),spannable.span_exclusive_exclusive);      // speak using google tts     bundle lparams = new bundle();     lparams.putint(texttospeech.engine.key_param_stream, constants.tts_audio_stream);     mtts.speak(lspannedmsg, texttospeech.queue_flush, lparams, "");

even spanned string, engine still spoke "this test oh oh oh one". there way force google speak 0 "zero"? avoid investigating string sent in , replacing 0 "zero" cause issues other languages.


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