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Nyquist C4000 User Guide
Adjust Voice Pitch • <prosody pitch='x-low'>This is half-pitch</prosody>
• <prosody pitch='low'>This is 3/4 pitch.</prosody>
• <prosody pitch='medium'>This is normal pitch.</prosody>
• <prosody pitch='high'>This is twice as high.</prosody>
• <prosody pitch='x-high'>This is three times as high.</prosody>
• <prosody pitch='default'>This is normal pitch.</prosody> <prosody
pitch='-50%'>This is 50% lower.</prosody>
• <prosody pitch='+50%'>This is 50% higher.</prosody>
• <prosody pitch='-6st'>This is six semitones lower.</prosody>
• <prosody pitch='+6st'>This is six semitones higher.</prosody>
• <prosody pitch='-25Hz'>This has a pitch mean 25 Hertz lower.</pros-
ody>
• <prosody pitch='+25Hz'>This has a pitch mean 25 Hertz higher.</
prosody>
• <prosody pitch='75Hz'>This has a pitch mean of 75 Hertz.</prosody>
Adjust Output Volume • <prosody volume='silent'>This is silent.</prosody>
• <prosody volume='x-soft'>This is 25% as loud.</prosody>
• <prosody volume='soft'>This is 50% as loud.</prosody>
• <prosody volume='medium'>This is the default volume.</prosody>
• <prosody volume='loud'>This is 50% louder.</prosody>
• <prosody volume='x-loud'>This is 100% louder.</prosody>
• <prosody volume='default'>This is the default volume.</prosody>
• <prosody volume='-33%'>This is 33% softer.</prosody>
• <prosody volume='+33%'>This is 33% louder.</prosody>
• <prosody volume='33%'>This is 33% louder.</prosody>
• <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</emphasis> than the
rest.
• This is <emphasis level='none'>the same as</emphasis> than the rest.
Spell Words Phoneti-
cally
You say <phoneme ph='t ah0 m ey1 t ow0'>tomato</phoneme>, I say
<phoneme ph='t ah0 m aa1 t ow0'>tomato</phoneme>
Table 11. SSML Formats for Text-to-Speech Entries (Continued)