le
            entry are stored by the sample format described in 4.3.3.

            The syntax and semantics of the OpusSampleEntry is shown as follows.

            class OpusSampleEntry() extends AudioSampleEntry ('Opus') {
                OpusSpecificBox();
            }

            + channelcount:
                The channelcount field indicates the number of output channels and shall be set to the same value of
                the OutputChannelCount in the OpusDecoderConfigurationRecord. The value o