# TranscriptionChunkingStrategy
## Enum Variants
| String | Controls how the audio is cut into chunks. When set to `\"auto\"`, the server first normalizes loudness and then uses voice activity detection (VAD) to choose boundaries. `server_vad` object can be provided to tweak VAD detection parameters manually. If unset, the audio is transcribed as a single block. |
| VadConfig | Controls how the audio is cut into chunks. When set to `\"auto\"`, the server first normalizes loudness and then uses voice activity detection (VAD) to choose boundaries. `server_vad` object can be provided to tweak VAD detection parameters manually. If unset, the audio is transcribed as a single block. |
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