---
title: Speech-Channel Properties
framework: applicationservices
role: collectionGroup
role_heading: API Collection
path: applicationservices/speech_synthesis_manager/speech-channel_properties
---

# Speech-Channel Properties

Properties used with CopySpeechProperty(_:_:_:) or SetSpeechProperty(_:_:_:) to get or set the characteristics of a speech channel.

## Topics

### Constants

- [kSpeechStatusProperty](applicationservices/kspeechstatusproperty.md)
- [kSpeechErrorsProperty](applicationservices/kspeecherrorsproperty.md)
- [kSpeechInputModeProperty](applicationservices/kspeechinputmodeproperty.md)
- [kSpeechCharacterModeProperty](applicationservices/kspeechcharactermodeproperty.md)
- [kSpeechNumberModeProperty](applicationservices/kspeechnumbermodeproperty.md)
- [kSpeechRateProperty](applicationservices/kspeechrateproperty.md)
- [kSpeechPitchBaseProperty](applicationservices/kspeechpitchbaseproperty.md)
- [kSpeechPitchModProperty](applicationservices/kspeechpitchmodproperty.md)
- [kSpeechVolumeProperty](applicationservices/kspeechvolumeproperty.md)
- [kSpeechSynthesizerInfoProperty](applicationservices/kspeechsynthesizerinfoproperty.md)
- [kSpeechRecentSyncProperty](applicationservices/kspeechrecentsyncproperty.md)
- [kSpeechPhonemeSymbolsProperty](applicationservices/kspeechphonemesymbolsproperty.md)
- [kSpeechCurrentVoiceProperty](applicationservices/kspeechcurrentvoiceproperty.md)
- [kSpeechCommandDelimiterProperty](applicationservices/kspeechcommanddelimiterproperty.md)
- [kSpeechResetProperty](applicationservices/kspeechresetproperty.md)
- [kSpeechOutputToFileURLProperty](applicationservices/kspeechoutputtofileurlproperty.md)
- [kSpeechOutputToExtAudioFileProperty](applicationservices/kspeechoutputtoextaudiofileproperty.md)
- [kSpeechRefConProperty](applicationservices/kspeechrefconproperty.md)
- [kSpeechTextDoneCallBack](applicationservices/kspeechtextdonecallback.md)
- [kSpeechSpeechDoneCallBack](applicationservices/kspeechspeechdonecallback.md)
- [kSpeechSyncCallBack](applicationservices/kspeechsynccallback.md)
- [kSpeechPhonemeCallBack](applicationservices/kspeechphonemecallback.md)
- [kSpeechErrorCFCallBack](applicationservices/kspeecherrorcfcallback.md)
- [kSpeechWordCFCallBack](applicationservices/kspeechwordcfcallback.md)
- [kSpeechPhonemeOptionsProperty](applicationservices/kspeechphonemeoptionsproperty.md)
- [kSpeechOutputToAudioDeviceProperty](applicationservices/kspeechoutputtoaudiodeviceproperty.md)