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2. Function Introduction

The interface synchronization of the encoder itself has been calibrated during the factory setting, and in most cases, no additional adjustment is necessary. However, if the input and output device links are complex, or if there are synchronization issues with the external devices, the parameters below can be adjusted for fine-tuning.

Since the delay of the video interface is fixed, the cost of adding additional video buffering is relatively high. The following adjustments are mainly for correcting the audio interface.

Timestamp offset: Only affects the audio timestamp offset during streaming output. If this device is only used for encoding, adjusting this parameter is the most precise and efficient.

Hardware delay: Adding additional buffering in the audio interface to generate delay, mainly for decoding scenarios or input mixing functions.

Frames: Generally, the duration of an audio frame is 21.3ms.