function packet_audio_encode packet_audio_encode(audio_pcm,lane_name,ext_bytes?: Uint8Array,silent_threshold_dbfs?,) Create audio packet Parameters audio_pcm Audio PCM lane_name Lane name of view in mixer-client optional ext_bytes: Uint8Array User's custom external data optional silent_threshold_dbfs Under this dBFS input will be ignored Return Type Throws TypeError If audio_pcm is not Float32Array TypeError If lane_name is not string TypeError If ext_bytes is not Uint8Array TypeError If silent_threshold_dbfs is not number RangeError If lane_name is empty string RangeError If lane_name has non ascii or control ascii characters RangeError If lane_name has over 3 characters RangeError If ext_bytes has over 255 bytes RangeError If silent_threshold_dbfs is positive value