53
Adjust Output Volume • <prosody volume='silent'>This is silent.</prosody>
• <prosody volume='x-soft'>This is 25% as loud.</pros-
ody>
• <prosody volume='soft'>This is 50% as loud.</pros-
ody>
• <prosody volume='medium'>This is the default vol-
ume.</prosody>
• <prosody volume='loud'>This is 50% louder.</pros-
ody>
• <prosody volume='x-loud'>This is 100% louder.</pros-
ody>
• <prosody volume='default'>This is the default vol-
ume.</prosody>
• <prosody volume='-33%'>This is 33% softer.</pros-
ody>
• <prosody volume='+33%'>This is 33% louder.</pros-
ody>
• <prosody volume='33%'>This is 33% louder.</pros-
ody>
• <prosody volume='33'>This is 33% of normal volume.</
prosody>
Add Emphasis to
Speech
• This is <emphasis level='strong'>stronger</emphasis>
than the rest.
• This is <emphasis level='moderate'>stronger</empha-
sis> than the rest.
• This is <emphasis level='none'>the same as</empha-
sis> than the rest.
Spell Words Phoneti-
cally
You say <phoneme ph='t ah0 m ey1 t ow0'>tomato</pho-
neme>, I say <phoneme ph='t ah0 m aa1 t ow0'>tomato</
phoneme>
Table 3-2, SSML Formats for Text-to-Speech Entries (Continued)