RELAY DEVICE, RELAY SYSTEM, RELAY METHOD, AND COMPUTER PROGRAM

To provide a relay device, a relay system, a relay method, and a computer program that securely transmit voice data of a plurality of channels in an on-vehicle network.SOLUTION: A relay system comprising a first input device (voice data reproducer), a second input device (any on-vehicle equipment ot...

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Bibliographic Details
Main Authors MAEDA HIDEKI, TANAKA HIDEYUKI, KONO HITOSHI, HAGIWARA TSUYOSHI, YAMANE RYO, IZUMI TATSUYA
Format Patent
LanguageEnglish
Japanese
Published 16.02.2023
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Summary:To provide a relay device, a relay system, a relay method, and a computer program that securely transmit voice data of a plurality of channels in an on-vehicle network.SOLUTION: A relay system comprising a first input device (voice data reproducer), a second input device (any on-vehicle equipment other than the voice data reproducer), a plurality of first output devices (speakers), a second output device (display, speaker), a plurality of relay devices (computer device), and an Ethernet communication line includes a relay device 41 for relaying a packet including voice data from the high-order side to the low-order side of an on-vehicle network, the relay device comprising: a port unit including high-order ports P1, P2 to which high-order packets including voice data of a plurality of channels are input and low-order ports P3 to P6, each of which outputs low-order packets including voice data of one channel or a plurality of channels; and a generation unit 83 that reconstructs the upper packets to generate the low-order packets.SELECTED DRAWING: Figure 3 【課題】車載ネットワークにおいて複数チャンネルの音声データを確実に送信する中継装置、中継システム、中継方法及びコンピュータプログラムを提供する。【解決手段】第1入力装置(音声データ再生装置)と、第2入力装置(音声データ再生装置以外の任意の車載機器)と、複数の第1出力装置(スピーカ)と、第2出力装置(ディスプレイ、スピーカ)と、複数の中継装置(コンピュータ装置)と、イーサネット対応の通信線と、を備える中継システムにおいて、音声データを含むパケットを車載ネットワークの上位側から下位側へ中継する中継装置41は、複数チャンネルの音声データを含む上位パケットが入力される上位ポートP1、P2及び1チャンネル又は複数チャンネルの音声データを含む下位パケットをそれぞれ出力する下位ポートP3~P6を有するポート部と、上位パケットを再構築して下位パケットを生成する生成部83と、を備える。【選択図】図3
Bibliography:Application Number: JP20210128229