---
title: Phoneme Symbols Keys
framework: applicationservices
role: collectionGroup
role_heading: API Collection
path: applicationservices/speech_synthesis_manager/phoneme_symbols_keys
---

# Phoneme Symbols Keys

Keys used with the kSpeechPhonemeSymbolsProperty property to provide information about the phoneme being processed.

## Topics

### Constants

- [kSpeechPhonemeInfoOpcode](applicationservices/kspeechphonemeinfoopcode.md)
- [kSpeechPhonemeInfoSymbol](applicationservices/kspeechphonemeinfosymbol.md)
- [kSpeechPhonemeInfoExample](applicationservices/kspeechphonemeinfoexample.md)
- [kSpeechPhonemeInfoHiliteStart](applicationservices/kspeechphonemeinfohilitestart.md)
- [kSpeechPhonemeInfoHiliteEnd](applicationservices/kspeechphonemeinfohiliteend.md)