Meaning of the word "infant directed speech" in English

What does "infant directed speech" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

infant directed speech

US /ˈɪnfənt dəˈrɛktɪd spiːtʃ/
UK /ˈɪnfənt dɪˈrɛktɪd spiːtʃ/

Phrase

a form of speech often used by adults when speaking to infants, characterized by higher pitch, exaggerated intonation, slower tempo, and simplified vocabulary

Example:
Parents often use infant directed speech to engage their babies.
Research suggests that infant directed speech can aid in language development.