ISoundfieldEncoderStream: Class that encodes interleaved audio from a set of arbitrary locations to an ISoundfieldPacket. ISoundfieldDecoderStream: Class that decodes audio from an ISoundfieldPacket to interleaved audio at a set of arbitrary locations. ISoundfieldTranscodeStream: Class that translates a soundfield stream from one type to another. ISoundfieldMixerStream: Class that sums together multiple incoming ISoundfieldPackets into one ISoundfieldPacket.