n format.

            The syntax and semantics of the Opus Specific Box is shown as follows.

            class ChannelMappingTable (unsigned int(8) OutputChannelCount) {
                unsigned int(8) StreamCount;
                unsigned int(8) CoupledCount;
                unsigned int(8 * OutputChannelCount) ChannelMapping;
            }

            aligned(8) class OpusDecoderConfigurationRecord {
                unsigned int(8) Version;
                unsigned int(8) OutputChannelCount;
          