汽車內(nèi)A2B音頻系統(tǒng)設(shè)計(jì)研究

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【摘  要】A2B數(shù)字音頻總線可以有效降低整車線束成本和質(zhì)量，提高傳輸效率，并且能夠很好地滿足整車電磁兼容性要求。文章首先分析汽車音頻系統(tǒng)的功能需求，其次分析A2B數(shù)字音頻架構(gòu)設(shè)計(jì)，最后探討相關(guān)音頻節(jié)點(diǎn)的選型。

【關(guān)鍵詞】A2B；音頻；系統(tǒng)

中圖分類號(hào)：U463.671    文獻(xiàn)標(biāo)識(shí)碼：A    文章編號(hào)：1003-8639（ 2024 ）02-0037-04

Design and Research of A2B Audio System in Automobile

WU Bin

（SAIC Motor R&D Innovation Headquarters，Shanghai 201804，China）

【Abstract】A2B digital audio bus can effectively reduce the cost and weight of vehicle harness，improve the transmission efficiency，and can well meet the vehicle electromagnetic compatibility requirements. This paper first analyzes the functional requirements of the car audio system，then analyzes the A2B digital audio architecture design，and finally analyzes the selection of relevant audio nodes.

【Key words】A2B；audio；system

傳統(tǒng)汽車音頻系統(tǒng)多采用模擬屏蔽雙絞線進(jìn)行傳輸，整車線束成本高、質(zhì)量大，對(duì)于整車節(jié)能不利。（剩余4735字）