Amazon Polly supports the following SSML tags:
| Action | SSML tag | Availability with neural voices | Availability with long-form voices | Availability with generative voices |
|---|---|---|---|---|
|
<break> |
Full availability |
Full availability |
Full availability |
|
| <emphasis> |
Not available |
Not available |
Not available |
|
| <lang> |
Full availability |
Full availability |
Full availability |
|
| <mark> |
Full availability |
Full availability |
Full availability |
|
|
<p> |
Full availability |
Full availability |
Full availability |
|
|
<phoneme> |
Full availability |
Full availability |
Not available |
|
|
<prosody> |
Partial availability |
Partial availability |
Not available |
|
|
<prosody amazon:max-duration> |
Not available |
Not available |
Not available |
|
|
<s> |
Full availability |
Full availability |
Full availability |
|
|
<say-as> |
Partial availability |
Full availability |
Full availability |
|
|
<speak> |
Full availability |
Full availability |
Full availability |
|
|
<sub> |
Full availability |
Full availability |
Full availability |
|
|
<w> |
Full availability |
Full availability |
Full availability |
|
|
<amazon:auto-breaths> |
Not available |
Not available |
Not available |
|
| <amazon:domain name="news"> |
Select neural voices only |
Not available |
Not available |
|
|
<amazon:effect name="drc"> |
Full availability |
Full availability |
Not available |
|
|
<amazon:effect phonation="soft"> |
Not available |
Not available |
Not available |
|
|
<amazon:effect vocal-tract-length> |
Not available |
Not available |
Not available |
|
|
<amazon:effect name="whispered"> |
Not available |
Not available |
Not available |
Note
If you use unsupported SSML tags in standard, neural, or long-form format, you will get an error.
