vot.js - v2.4.12
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    Interface ChunkAudioObject

    video translation audio info

    interface ChunkAudioObject {
        audioBuffer: undefined | protos.PartialAudioBufferObject;
        audioPartsLength: number;
        fileId: string;
        version: number;
    }
    Index

    Properties

    audioBuffer: undefined | protos.PartialAudioBufferObject
    audioPartsLength: number

    1-xxx... (chunks count)

    fileId: string

    I don't know why it's a fileId, but they call it that {"downloadType":"web_api_get_all_generating_urls_data_from_iframe","itag":251,"minChunkSize":5295308,"fileSize":"xxxx"}

    version: number

    current version only 1