Type Alias AudioSampleEntryBeta

AudioSampleEntry: SampleEntry & {
    channelcount: number;
    esds: Uint8Array;
    preDefined: number;
    reserved2: number[];
    reserved3: number;
    samplerate: number;
    samplesize: number;
}

ISO/IEC 14496-12:2012 - 8.5.2.2 mp4a box (use AudioSampleEntry definition and naming)