The Voices

Speed

Under "more options" the reading speed can be changed. Here are some examples of what the speed change sounds like.

Speed	Demo
-30%
-15%
+0% (Standard)
+15%
+30%

Pitch

Under "more options" you can change the pitch of the voice. Here are some examples of what the pitch sounds like.

Pitch	Demo
-30%
-20%
-10%
+0% (Standard)
+20%
+20%
+30%

Advanced Controls

With the use of SSML tags, you can change the tone and emphasis for any word or sentence.

Group	SSML Tag	Demo
Break	<break time='500ms' /> <break time='1s' /> <break time='2s' /> <break time='3s' /> <break time='4s' />
Emphasis	<emphasis level='moderate'>Moderate</emphasis> <emphasis level='reduced'>Reduced</emphasis> <emphasis level='strong'>Strong</emphasis>
Pitch	<prosody pitch='x-high'>Higher</prosody> <prosody pitch='high'>High</prosody> <prosody pitch='medium'>Default - No Pitch</prosody> <prosody pitch='low'>Low</prosody> <prosody pitch='x-low'>Lower</prosody>
Speed	<prosody rate='x-slow'>Slower</prosody> <prosody rate='slow'>Slow</prosody> <prosody rate='medium'>Default - Medium</prosody> <prosody rate='fast'>Fast</prosody> <prosody rate='x-fast'>Faster</prosody>
Digits	<say-as interpret-as="digits">123456789</say-as>
Letters	<say-as interpret-as="letters">How are you?</say-as>
Date*	<say-as interpret-as="date" format="mdy">10/01/23</say-as> <say-as interpret-as="date" format="ymd">23/10/01</say-as> <say-as interpret-as="date" format="dmy">01/10/23</say-as> <say-as interpret-as="date" format="ydm">23/01/10</say-as> <say-as interpret-as="date" format="my">10/23</say-as> <say-as interpret-as="date" format="md">10/01</say-as> <say-as interpret-as="date" format="ym">23/10</say-as>
Currency* (ISO 4217)	<say-as interpret-as="vxml:currency">EUR10.50</say-as> <say-as interpret-as="vxml:currency">USD10.50</say-as> <say-as interpret-as="vxml:currency">GBP10.50</say-as> <say-as interpret-as="vxml:currency">CHF10.50</say-as>
Telephone*	<say-as interpret-as="number" format="telephone">012-345-6789</say-as> <say-as interpret-as="number" format="telephone" detail="punctuation">012-345-6789</say-as> <say-as interpret-as="number" format="telephone" detail="punctuation">+49 1234 56 789</say-as>

* This SSML expression works only with English voices.

Text Demos with SSML Tags

Demo	Text	Audio
Combine SSML Tags	The upgrade costs <prosody rate='x-fast'><say-as interpret-as="vxml:currency">EUR10.50</say-as></prosody>
Long Text with SSML Tags	A film, also called a <emphasis level='strong'>movie</emphasis>, <emphasis level='strong'>motion picture</emphasis> or <emphasis level='strong'>moving picture</emphasis>, is a work of visual art used to simulate experiences that communicate ideas, stories, perceptions, feelings, beauty, or atmosphere through the use of moving images. These images are generally accompanied by <prosody pitch='x-high'>sound, and more rarely</prosody>, other sensory stimulations.<break time='500ms' />The word cinema, <prosody rate='x-fast'>short for cinematography</prosody>, is often used to refer to filmmaking and the film industry, and to the art form that is the result of it.

Tags

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