> ## Documentation Index > Fetch the complete documentation index at: https://docs.pixeltable.com/llms.txt > Use this file to discover all available pages before exploring further. # ContainerMetadata > View Source on GitHub # class  pixeltable.functions.ContainerMetadata Metadata for a media container, as returned by [`audio.get_metadata()`](./audio#func-get_metadata) or [`video.get_metadata()`](./video#func-get_metadata). ## attr  bit\_exact ``` bit_exact: bool ``` Whether the container was opened in bit-exact mode. ## attr  bit\_rate ``` bit_rate: int | None ``` Overall bit rate of the container in bits per second, or `None` if unknown. ## attr  metadata ``` metadata: dict[str, str] ``` Additional container-level metadata tags (e.g. title, encoder). ## attr  size ``` size: int | None ``` Size of the container in bytes, or `None` if unknown. ## attr  streams ``` streams: list[StreamMetadata] ``` Per-stream metadata for each stream in the container.