<> // onClick sets to "SUBMIT", "FEEDBACK" function urlAdjust(form) { var f0 = form var fmt //var ret = CheckLang(); //if (ret == "true") { // return false; //} // alert("DBG: " + f0.InputText) if (f0.InputText) { // "any text" form fmt = get_selection(f0.OutFormat) } else { // "any address" hidden variable(s) for (nn=0; nn= 0) origIdent = origAction.substring(ndx+1, origAction.length) else { // no '@' ("!") so add one var indx = origAction.indexOf("?") // if QUERY_STRING if (indx < 0) // -- put before it origAction = origAction + '/@' + origIdent else origAction = origAction.substring(0, indx) + '/@' + origIdent + origAction.substring(indx, origAction.length) } // may not need, now using SSI to set SERVER_NAME in the action url if (origHost != '' && origAction.substring(0,7) == 'http://') { // need this host IP for MS audio players w multiple servers var _t = origAction.substring(7,origAction.length) ndx = _t.indexOf('/') // end of hostname part if (ndx > 0) origAction= 'http://'+origHost+_t.substring(ndx,_t.length) // alert('_t='+_t+'; ndx='+ndx+'; origAction='+origAction) } // alert("origAction="+origAction + "; origIdent="+origIdent) if (f0.InputText) origActionTtsdemo = origAction else origActionSayaddr = origAction } // alert('DBG: SubmitValue = ' + SubmitValue) var input_text = '' if (f0.InputText) { // ttsdemo input_text = f0.InputText.value } else if (f0.Last) { // sayaddr if (f0.First.value + f0.Last.value + f0.Street.value + f0.City.value + f0.State.value + f0.Zip.value + f0.Phone.value) { input_text = f0.First.value + ' ' + f0.Last.value + '\n' + f0.Street.value + ' ' + f0.City.value + '\n' + f0.State.value + ' ' + f0.Zip.value + '\n' + f0.Phone.value } } else if (f0.Extension) { // saynum if (f0.Extension.value) { input_text = f0.AreaCode.value + '-' + f0.Exchange.value + '-' + f0.Extension.value } } else { alert('Do not recognize input form') return false } if (SubmitValue.substring(0,12) != '/ttsfeedback') { if (! input_text) { alert('Please enter some text first before clicking submit.') return false } } else { if (! input_text) { alert( "Please enter some text and listen to it " + " before sending us feedback about how it sounds.") return false } if (SubmitValue == '/ttsfeedback/noform') { msg = 'The input text that you think sounds bad will be ' + 'sent to the TTS team at AT&T Labs for analysis:' + '\n' + input_text + '\nThank you.' if (!confirm(msg)) return false } var indx = origAction.indexOf('?') // if QUERY_STRING if (indx < 0) // -- put before it f0.action = origAction + SubmitValue else { f0.action = origAction.substring(0, indx) + SubmitValue + origAction.substring(indx, origAction.length) } return true; } var indx = origAction.indexOf("?") urlCount++ f0.Count.value = urlCount nm = "/output_" + urlCount + "." + fmt if (indx < 0) f0.action = origAction + nm; else { f0.action = origAction.substring(0, indx) + nm + origAction.substring(indx, origAction.length) } //alert('The action is ' + f0.action); return true; } function checkWC(form, maxwc) { if (maxwc == 0) { // 0 ==> no word count check // alert("No javascript word count check.") return true } var f0 = form var ft = f0.InputText.value var len = ft.length var seps = " .,:;_-\n\t" // word separators; same in ttsdemo cgi var wc = 0 for(cnt = 0; cnt < len; cnt++) { if (seps.indexOf(ft.charAt(cnt)) < 0) { // start of a 'word' wc++ // i.e. char NOT a separator cnt++ // continue to end of word while (cnt < len && seps.indexOf(ft.charAt(cnt)) < 0) cnt++ // not a separator ==> continue } } if (wc == 0) { if (SubmitValue.substring(0,12) != '/ttsfeedback') _msg = "Please enter some text first." else _msg = "Please enter some text and listen to the output " + " before sending us feedback about how it sounds." alert(_msg) return false } else if (wc > maxwc) { alert("Your input is " + wc + " words long and" + " exceeds the allowed maximum of " + maxwc + " words.") return false } else { // alert("OK. wc = " + wc + "; maxwc = " + maxwc + ";"); // debug return true } } function myReset(form) { // not using here ? var f0 = form if (f0.InputText) { // MS IE "reset" clears JSflg.value if (origActionTtsdemo) f0.action = origActionTtsdemo } else { if (origActionSayaddr) f0.action = origActionSayaddr } origAction = ""; // -- force urlAdjust to reset it origActionTtsdemo = ""; origActionSayaddr = ""; SubmitValue = ""; return true; } function rateAdjust(form) { // called when set OutFormat // rate '8000' is only for format 'basic' (and warn about quality) var f0 = form var ff = f0.OutFormat, rr = f0.SampleRateOut; var fmt = get_selection(ff) var rate = get_selection(rr) // alert("DBG: rate = " + rate + "; fmt = " + fmt) if (fmt == "basic") { msg = "The 'basic' format is 8-bit u-law at 8 kHz. " msg = msg + " Only use if you must since the quality is poor." if (!confirm(msg)) { set_selection(ff, 'wav') return false } set_selection(rr, '8000') } else if (rate == '8000') { msg = "Non 'basic' formats require sample rates greater than 8 kHz." if (!confirm(msg)) { set_selection(ff, 'basic') return false } set_selection(rr, '16000') } return true } function fmtAdjust(form) { // called when set SampleRateOut // if "format" is 'basic' and rate != 8000, change format to 'au' var f0 = form var ff = f0.OutFormat, rr =f0.SampleRateOut; var fmt = get_selection(ff) var rate = get_selection(rr) // alert("DBG: fmt = " + fmt + "; rate = " + rate) if (rate == '8000' && fmt != 'basic') { msg = "The sample rate '8000' is just for format 'basic'. " msg = msg + " Only use if you must since the quality is poor." if (!confirm(msg)) { set_selection(rr, 16000) return false } set_selection(ff, 'basic') } else if (rate != '8000' && fmt == 'basic') { msg = "A sample rate of " + rate + cannot be use with format 'basic'" if (!confirm(msg)) { set_selection(rr, '8000') return false } set_selection(ff, 'au') } return true } function domail(usr, host) { window.location = "mailto:" + usr + '@' + host } function Recorded() { if (document.ttsdemo.demotype[1].checked) { window.location.href="Recorded.html"; } times = 0; } function ChooseVoice() { Index = document.ttsdemo.language.options.selectedIndex; if (Index == 0) { if (times > 0) { alert('Please select a language.'); ClearVoice(); } } if (Index == 1) { document.ttsdemo.VoiceOut.options.length = 0; blank = new Option("-- select a voice --", "blank", false, false); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = blank; Mike = new Option("Mike", "Mike (US English)", false, false); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = Mike; Crystal = new Option("Crystal", "Crystal (US English)", false, false); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = Crystal; //Rich and Claire - to be added later //Rich = new Option("Rich", "Rich (US English)", false, false); //document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = Rich; //Claire = new Option("Claire", "Claire (US English)", false, false); //document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = Claire; times=1; } if (Index == 2) { document.ttsdemo.VoiceOut.options.length = 0; Rosa = new Option("Rosa", "Rosa (Latin Am. Spanish)", true, true); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = Rosa; times=1; } if (Index == 3) { document.ttsdemo.VoiceOut.options.length = 0; blank = new Option("-- select a voice --", "blank", false, false); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = blank; Reiner = new Option("Reiner", "Reiner (German)", false, false); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = Reiner; Klara = new Option("Klara", "Klara (German)", false, false); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = Klara; times=1; } if (Index == 4) { document.ttsdemo.VoiceOut.options.length = 0; Alain = new Option("Alain", "Alain (French)", true, true); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = Alain; times=1; } if (Index == 5) { document.ttsdemo.VoiceOut.options.length = 0; blank = new Option("-- select a voice --", "blank", false, false); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = blank; Charles = new Option("Charles", "Charles (UK English)", false, false); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = Charles; Audrey = new Option("Audrey", "Audrey (UK English)", false, false); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = Audrey; times=1; } } function ClearVoice() { document.ttsdemo.VoiceOut.options.length = 0; blank = new Option("-- select a voice --", "blank", false, false); document.ttsdemo.VoiceOut.options[document.ttsdemo.VoiceOut.length] = blank; } function CheckVoice() { if (document.ttsdemo.VoiceOut.selectedIndex == 0) { alert('Please select a voice.'); } } function CheckLang() { if (document.ttsdemo.language.options[0].selected == "true") { alert('Please select a language and voice.'); return true; } } //-->

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Welcome to the AT&T Natural Voices Text-to-Speech Engine demo! Here you have the opportunity to "test drive" what we believe is the most realistic, human-sounding synthetic speech system today. For more information on what you are about to hear, see the AT&T Natural Voices Text-to-Speech Engine data sheet.

Please note:

You must have JavaScript enabled to use the demos
Our recorded demos showcase the broadband (16KHz) versions of each voice

                Select a Demo Type         Interactive Recorded


Select a Language              Select a Voice

Select an Output Format:
wav (PC)     aiff (mac)     au     basic

Select a Sample Rate:
16KHz