# AudioCaptureSession Extension Reference



## Scope and provenance

- Product: mobile
- Status: Imported reference snapshot. Import date is not a verification date or guarantee of current release support.
- SDK version: Not declared for this page. Versions in examples must not be assumed current.
- Environment: Page-specific. Confirm the environment host, credentials, and service configuration; do not infer them from another product.
- Source: https://documentation.idmission.com/identity/iOS-SDK-2/Extensions/AudioCaptureSession.html
- Imported at: 2026-10-25T05:00:44.899Z
- Canonical page: https://docs.idmission.com/mobile/reference/ios/Extensions/AudioCaptureSession
- Agent index: https://docs.idmission.com/llms.txt

---

<a id="audiocapturesession"></a>

# AudioCaptureSession

```
extension AudioCaptureSession: AVCaptureAudioDataOutputSampleBufferDelegate
```

- <a id="/c:@CM@VideoCapture_Swift@objc(cs)AudioCaptureSession(im)captureOutput:didOutputSampleBuffer:fromConnection:"></a>

  <a id="//apple_ref/swift/Method/captureOutput(_:didOutput:from:)"></a>

  `captureOutput(_:didOutput:from:)`

  <a id="declaration"></a>

  #### Declaration

  Swift

  ```
  public func captureOutput(_ output: AVCaptureOutput, didOutput sampleBuffer: CMSampleBuffer, from connection: AVCaptureConnection)
  ```

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