Difference between revisions of "TTS"

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{{GIDEROS IMPORTANT LINKS}}

Revision as of 16:29, 30 January 2020


Supported platforms: Platform android.pngPlatform ios.png
Available since: Gideros 2018.1

Description

Enables text to speech on your mobile.

Examples

Example

require "tts"

local platform = application:getDeviceInfo()

--local tts=TTS.new()
local tts = TTS.new("fr", 1, 1)
local count = 1
local text = "This is a fairly long sentence that will test the new TTS engine for Android devices."

tts:addEventListener(Event.TTS_ERROR, function(e)
   print("TTS Error:"..e.error)
end)

local function stopSpeech()
   tts:stop()

   local function resumeSpeech()
      tts:speak("It was stopped and has been resumed")
   end

   local timerB=Timer.new(500, 1)
   timerB:addEventListener(Event.TIMER, resumeSpeech)
   timerB:start()
end

-- stop tts and then resume it
local timer=Timer.new(9000, 1)
timer:addEventListener(Event.TIMER, stopSpeech)

tts:addEventListener(Event.TTS_INIT_COMPLETE, function()
   print("TTS Initialised")
   local sentence = "Test "..count..text
   tts:setVolume(1)
   tts:speak(sentence, tostring(count))
   timer:start()
   --count = count + 1
end)

tts:setVolume(1)

tts:addEventListener(Event.TTS_UTTERANCE_COMPLETE, function(e)
   print("Utterance:"..e.utteranceId.." state:"..e.state.. " Count: "..count)

   if e.state == "start" then
      print("started")
   elseif e.state == "done" then
      count += 1
      local sentence = "test "..count .. text
      if count == 2 then
         tts:setLanguage("en-US")
         tts:speak(sentence.." in British English", tostring(count))
      elseif count == 3 then
         tts:setSpeed(0.4)
         tts:setPitch(2)
         tts:speak("The pitch and speed have been changed", tostring(count))
      elseif count == 4 and platform == "iOS" then
         tts:setSpeed(1)
         tts:setPitch(1)
         tts:setVolume(0.2)
         print("volume: "..tts:getVolume())
         tts:speak("This is quiet", "3")
         tts:setVolume(1)
      elseif count == 4 then -- not iOS
         count += 1
         tts:shutdown()
      elseif count == 5 and platform == "iOS" then
         tts:setVoice("com.apple.ttsbundle.siri_female_en-GB_premium")
         tts:speak("A new voice has been selected by the identifier, but it needs to be installed on the device.", tostring(count))
         print("pitch: "..tts:getPitch()..", speed: "..tts:getSpeed())
         local voices = tts:getVoicesInstalled()
         for i = 1, #voices do
            print(voices[i]["language"]..", "..voices[i]["identifier"]..", "..voices[i]["quality"]..", "..voices[i]["name"])
         end
      elseif count > 5 then
         tts:shutdown()
      end
   end
end)

Methods

Events

Constants