---
title: SFSpeechRecognitionMetadata
framework: speech
role: symbol
role_heading: Class
path: speech/sfspeechrecognitionmetadata
---

# SFSpeechRecognitionMetadata

The metadata of speech in the audio of a speech recognition request.

## Declaration

```swift
class SFSpeechRecognitionMetadata
```

## Topics

### Getting audio timing information

- [averagePauseDuration](speech/sfspeechrecognitionmetadata/averagepauseduration.md)
- [speakingRate](speech/sfspeechrecognitionmetadata/speakingrate.md)
- [speechDuration](speech/sfspeechrecognitionmetadata/speechduration.md)
- [speechStartTimestamp](speech/sfspeechrecognitionmetadata/speechstarttimestamp.md)

### Analyzing voice

- [voiceAnalytics](speech/sfspeechrecognitionmetadata/voiceanalytics.md)

### Initializers

- [init(coder:)](speech/sfspeechrecognitionmetadata/init(coder:).md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)

## See Also

### Transcription results

- [SFSpeechRecognitionResult](speech/sfspeechrecognitionresult.md)
- [SFTranscription](speech/sftranscription.md)
- [SFTranscriptionSegment](speech/sftranscriptionsegment.md)