Implementation of SSML markup for controlling intonation and pauses. SSML (Speech Synthesis Markup Language) is an XML dialect for precise control of pronunciation, pauses, intonation, and tempo in TTS. A W3C standard, supported by Google TTS, Azure, Amazon Polly, and Yandex Speech

Kit. ### Basic SSML tags```xml

Добрый день. Рад вас слышать.

Ваш заказ 12345 от 01.03.2024 на сумму 1500 RUB.

Компания Beta.

Позвоните сейчас!

Machine learning — ключевая технология.

<mstts:express-as style="customerservice"> Чем могу помочь? </mstts:express-as> ### SSML generator for IVRpython from xml.etree.ElementTree import Element, SubElement, tostring

class SSMLBuilder: def init(self, lang: str = "ru-RU"): self.speak = Element("speak", { "version": "1.0", "xmlns": "http://www.w3.org/2001/10/synthesis", "xml:lang": lang })

def add_text(self, text: str) -> "SSMLBuilder":
    self.speak.text = (self.speak.text or "") + text
    return self

def add_pause(self, ms: int) -> "SSMLBuilder":
    br = SubElement(self.speak, "break", {"time": f"{ms}ms"})
    return self

def add_prosody(self, text: str, rate: str = "medium",
                pitch: str = "medium") -> "SSMLBuilder":
    p = SubElement(self.speak, "prosody",
                   {"rate": rate, "pitch": pitch})
    p.text = text
    return self

def build(self) -> str:
    return tostring(self.speak, encoding="unicode")

Использование

ssml = (SSMLBuilder() .add_text("Добрый день! ") .add_pause(300) .add_prosody("Ваш баланс составляет пять тысяч рублей.", rate="slow") .build()) ```### SSML Support by Provider | Tag | Google | Azure | AWS Polly | Yandex | |-----|--------|--------|-----------|---------| <break> | ✓ | ✓ | ✓ | ✓ | | <prosody> | ✓ | ✓ | ✓ | partially | | <say-as> | ✓ | ✓ | ✓ | limited | | <phoneme> | ✓ | ✓ | ✓ | — | | <emphasis> | ✓ | ✓ | ✓ | — | | <lang> | ✓ | ✓ | — | — | Timeframe: SSML template development for IVR — 2–3 days. SSML generator for dynamic responses — 3–5 days.