工(gong)(gong)業(ye)(ye)音(yin)頻設(she)(she)(she)備(bei)（如(ru)工(gong)(gong)廠(chang)廣播(bo)系統、工(gong)(gong)業(ye)(ye)警報器、戶外公共(gong)廣播(bo)）對功(gong)放芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)的(de)要求與消費類(lei)設(she)(she)(she)備(bei)有明(ming)顯差異，需(xu)(xu)(xu)(xu)滿足高(gao)可(ke)靠(kao)性(xing)(xing)(xing)(xing)、寬環境適(shi)應性(xing)(xing)(xing)(xing)、長(chang)(chang)壽命(ming)的(de)特(te)殊需(xu)(xu)(xu)(xu)求。首先，工(gong)(gong)業(ye)(ye)環境中(zhong)存在強(qiang)電(dian)磁(ci)干(gan)擾、粉(fen)塵(chen)、濕(shi)度變化(hua)大(da)等問題(ti)，功(gong)放芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)需(xu)(xu)(xu)(xu)具備(bei)高(gao)電(dian)磁(ci)兼容性(xing)(xing)(xing)(xing)（EMC），通過(guo)優(you)化(hua)芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)內部布線(xian)、增加屏蔽層，減(jian)少外界干(gan)擾對芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)工(gong)(gong)作(zuo)的(de)影響；同時(shi)(shi)，芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)需(xu)(xu)(xu)(xu)采用(yong)防塵(chen)、防潮的(de)封裝(zhuang)形(xing)式（如(ru) IP65 防護等級封裝(zhuang)），確(que)保(bao)在惡劣環境中(zhong)正常工(gong)(gong)作(zuo)。其次(ci)，工(gong)(gong)業(ye)(ye)音(yin)頻設(she)(she)(she)備(bei)常需(xu)(xu)(xu)(xu)長(chang)(chang)時(shi)(shi)間(jian)連續(xu)運行(xing)（如(ru)工(gong)(gong)廠(chang)廣播(bo)系統需(xu)(xu)(xu)(xu) 24 小(xiao)時(shi)(shi)待機(ji)），功(gong)放芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)需(xu)(xu)(xu)(xu)具備(bei)高(gao)穩定性(xing)(xing)(xing)(xing)與長(chang)(chang)壽命(ming)，廠(chang)商(shang)會通過(guo)選(xuan)用(yong)高(gao)可(ke)靠(kao)性(xing)(xing)(xing)(xing)的(de)半導體材料、優(you)化(hua)芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)的(de)熱設(she)(she)(she)計，確(que)保(bao)芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)在長(chang)(chang)期工(gong)(gong)作(zuo)中(zhong)性(xing)(xing)(xing)(xing)能無(wu)明(ming)顯衰減(jian)，平均無(wu)故障(zhang)工(gong)(gong)作(zuo)時(shi)(shi)間(jian)（MTBF）需(xu)(xu)(xu)(xu)達到(dao) 10 萬小(xiao)時(shi)(shi)以上。此外，工(gong)(gong)業(ye)(ye)音(yin)頻設(she)(she)(she)備(bei)的(de)輸出功(gong)率(lv)(lv)(lv)需(xu)(xu)(xu)(xu)求差異較大(da)，從(cong)幾十(shi)瓦的(de)車間(jian)廣播(bo)到(dao)幾百(bai)瓦的(de)戶外高(gao)音(yin)喇叭，功(gong)放芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)需(xu)(xu)(xu)(xu)具備(bei)靈活的(de)功(gong)率(lv)(lv)(lv)配置能力，部分工(gong)(gong)業(ye)(ye)功(gong)放芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)支持多檔位(wei)功(gong)率(lv)(lv)(lv)調節(jie)（如(ru) 20W/50W/100W 三(san)檔位(wei)），可(ke)根據實際(ji)負載需(xu)(xu)(xu)(xu)求切(qie)換，提(ti)升能源利用(yong)效(xiao)率(lv)(lv)(lv)。采用(yong) RISC-V 開源指令(ling)集的(de)芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)，降低開發成本，提(ti)升產品性(xing)(xing)(xing)(xing)價比。湖南汽車音(yin)響芯(xin)(xin)(xin)片(pian)(pian)(pian)(pian)ATS2815

ATS2888是一(yi)款集成336MHz RISC-32 CPU與(yu)504MHz CEVA TL421 DSP的雙核(he)處(chu)理器，內置680KB RAM和624KB ROM，支持QSPI NOR Flash存儲擴展。其(qi)設計聚焦(jiao)于(yu)低(di)功(gong)耗與(yu)高性能音(yin)(yin)頻(pin)處(chu)理，通(tong)過32KB Execute-in-place Cache優化指令(ling)執行效(xiao)率。芯(xin)(xin)片(pian)采用(yong)SQFN84封(feng)裝，支持1.8V/3.3V I/O電(dian)(dian)壓與(yu)0.7V~1.3V**電(dian)(dian)壓，適配多種電(dian)(dian)源管理場景。其(qi)雙核(he)架構可(ke)并行處(chu)理音(yin)(yin)頻(pin)編解(jie)碼與(yu)藍牙(ya)通(tong)信(xin)任(ren)務，***提升系統響應速度。深圳市芯(xin)(xin)悅澄(cheng)服(fu)科技有限公司提供(gong)一(yi)站(zhan)式藍牙(ya)音(yin)(yin)頻(pin)解(jie)決方案。甘肅國產(chan)芯(xin)(xin)片(pian)ACM3107ETR12S數字功(gong)放芯(xin)(xin)片(pian)動態低(di)頻(pin)截止(zhi)技術根據揚聲(sheng)器F0參數自動調整濾波斜率，保護低(di)音(yin)(yin)單元(yuan)不過載(zai)。

ATS2888搭載336MHz RISC-32 CPU處理器(qi)**與(yu)504MHz CEVA TL421 DSP**，這(zhe)種(zhong)(zhong)雙核架(jia)構賦予(yu)其并行(xing)(xing)(xing)處理復雜任務的(de)(de)能力，能快速響應邊緣(yuan)端(duan)的(de)(de)數(shu)據(ju)(ju)(ju)處理需求。在物(wu)聯網邊緣(yuan)計算場景中，可(ke)(ke)高(gao)(gao)效處理來自各(ge)類(lei)傳(chuan)感器(qi)的(de)(de)數(shu)據(ju)(ju)(ju)，進(jin)行(xing)(xing)(xing)實(shi)時分析和(he)決策。支持藍(lan)牙(ya)6.0雙模(mo)，可(ke)(ke)同時運行(xing)(xing)(xing)經典藍(lan)牙(ya)與(yu)低(di)功耗(hao)藍(lan)牙(ya)，方便與(yu)各(ge)類(lei)物(wu)聯網設(she)備(bei)連接(jie)，實(shi)現(xian)(xian)數(shu)據(ju)(ju)(ju)的(de)(de)高(gao)(gao)效傳(chuan)輸。無論是智(zhi)能穿戴設(she)備(bei)、智(zhi)能家居設(she)備(bei)還是工業傳(chuan)感器(qi)，都能通(tong)過藍(lan)牙(ya)與(yu)ATS2888建(jian)立(li)穩定連接(jie)，實(shi)現(xian)(xian)數(shu)據(ju)(ju)(ju)的(de)(de)快速交互(hu)。支持低(di)功耗(hao)模(mo)式，在邊緣(yuan)設(she)備(bei)長時間(jian)運行(xing)(xing)(xing)時能有效降(jiang)低(di)能耗(hao)，延長設(she)備(bei)續航時間(jian)。對(dui)于依賴電池(chi)供電的(de)(de)物(wu)聯網設(she)備(bei)，如智(zhi)能傳(chuan)感器(qi)、便攜式監測設(she)備(bei)等，低(di)功耗(hao)特性至關(guan)重要，可(ke)(ke)減少電池(chi)更(geng)換頻率(lv)，降(jiang)低(di)維護成本。內(nei)置多(duo)種(zhong)(zhong)音頻處理算法與(yu)豐富的(de)(de)接(jie)口，能對(dui)采(cai)(cai)集到(dao)(dao)的(de)(de)數(shu)據(ju)(ju)(ju)進(jin)行(xing)(xing)(xing)初步處理與(yu)分析。例(li)如在智(zhi)能安防(fang)場景中，可(ke)(ke)對(dui)攝像頭采(cai)(cai)集的(de)(de)視頻數(shu)據(ju)(ju)(ju)進(jin)行(xing)(xing)(xing)初步分析，提取關(guan)鍵信息，減少上傳(chuan)到(dao)(dao)云端(duan)的(de)(de)數(shu)據(ju)(ju)(ju)量，降(jiang)低(di)帶寬壓(ya)力。物(wu)聯網邊緣(yuan)計算涉及大量敏感數(shu)據(ju)(ju)(ju)，ATS2888具備(bei)一定的(de)(de)**保(bao)障(zhang)機(ji)制，可(ke)(ke)對(dui)數(shu)據(ju)(ju)(ju)進(jin)行(xing)(xing)(xing)加(jia)密處理，確保(bao)數(shu)據(ju)(ju)(ju)在傳(chuan)輸和(he)存儲過程(cheng)中的(de)(de)**性，防(fang)止數(shu)據(ju)(ju)(ju)泄露(lu)和(he)惡意攻擊(ji)。

    藍(lan)牙(ya)音(yin)(yin)(yin)響(xiang)芯(xin)(xin)(xin)(xin)片對于(yu)藍(lan)牙(ya)音(yin)(yin)(yin)響(xiang)音(yin)(yin)(yin)質(zhi)(zhi)起著決(jue)定性的(de)作用(yong)。從音(yin)(yin)(yin)頻(pin)信號的(de)接收(shou)、解(jie)(jie)碼到(dao)功(gong)率放大輸(shu)(shu)出(chu)，每一(yi)個(ge)環節都依賴芯(xin)(xin)(xin)(xin)片的(de)準(zhun)確處理。首先，芯(xin)(xin)(xin)(xin)片的(de)藍(lan)牙(ya)接收(shou)模(mo)塊(kuai)要能夠穩定、快速地接收(shou)來自(zi)音(yin)(yin)(yin)源設(she)備(bei)的(de)音(yin)(yin)(yin)頻(pin)信號，避免信號丟失(shi)或干擾，為高(gao)質(zhi)(zhi)量音(yin)(yin)(yin)頻(pin)傳(chuan)輸(shu)(shu)奠(dian)定基礎。在(zai)(zai)音(yin)(yin)(yin)頻(pin)解(jie)(jie)碼階段(duan)，芯(xin)(xin)(xin)(xin)片所(suo)支(zhi)持(chi)的(de)解(jie)(jie)碼格(ge)式與解(jie)(jie)碼算法直接影響(xiang)音(yin)(yin)(yin)頻(pin)的(de)還(huan)原度。例如(ru)，支(zhi)持(chi)高(gao)解(jie)(jie)析音(yin)(yin)(yin)頻(pin)解(jie)(jie)碼的(de)芯(xin)(xin)(xin)(xin)片能夠還(huan)原出(chu)更多(duo)(duo)音(yin)(yin)(yin)樂(le)細節，使聲音(yin)(yin)(yin)更加(jia)真(zhen)實、生動。功(gong)率放大模(mo)塊(kuai)則(ze)決(jue)定了(le)揚聲器能夠獲得的(de)驅動功(gong)率，合適的(de)功(gong)率輸(shu)(shu)出(chu)能夠讓揚聲器充分發(fa)揮性能，展現出(chu)飽滿、有(you)力的(de)聲音(yin)(yin)(yin)。不同品(pin)牌、型號的(de)藍(lan)牙(ya)音(yin)(yin)(yin)響(xiang)芯(xin)(xin)(xin)(xin)片在(zai)(zai)音(yin)(yin)(yin)質(zhi)(zhi)表現上(shang)存在(zai)(zai)明顯差異，質(zhi)(zhi)優芯(xin)(xin)(xin)(xin)片能夠打造(zao)出(chu)優良的(de)音(yin)(yin)(yin)質(zhi)(zhi)，為用(yong)戶(hu)帶來身臨其(qi)境的(de)音(yin)(yin)(yin)樂(le)享受(shou)，而低質(zhi)(zhi)量芯(xin)(xin)(xin)(xin)片則(ze)可能導致音(yin)(yin)(yin)質(zhi)(zhi)失(shi)真(zhen)、單薄，無法滿足(zu)用(yong)戶(hu)對品(pin)質(zhi)(zhi)高(gao)的(de)音(yin)(yin)(yin)樂(le)的(de)追求。ＡＴＳ２８３５Ｐ２突破(po)傳(chuan)統(tong)藍(lan)牙(ya)設(she)備(bei)數量限制(zhi)，實現“一(yi)拖多(duo)(duo)”音(yin)(yin)(yin)頻(pin)同步傳(chuan)輸(shu)(shu)。

    近年來(lai)，功(gong)(gong)(gong)(gong)(gong)放芯(xin)(xin)片(pian)(pian)(pian)呈現(xian)出明顯的(de)(de)(de)數(shu)(shu)(shu)(shu)字化發(fa)展趨勢(shi)，各類技(ji)(ji)術(shu)創(chuang)(chuang)新不斷推動(dong)(dong)(dong)(dong)其(qi)性(xing)能升(sheng)級。一(yi)方(fang)面，數(shu)(shu)(shu)(shu)字信號(hao)(hao)處(chu)理（DSP）技(ji)(ji)術(shu)與功(gong)(gong)(gong)(gong)(gong)放芯(xin)(xin)片(pian)(pian)(pian)的(de)(de)(de)融合日益(yi)緊密，廠商(shang)在(zai)功(gong)(gong)(gong)(gong)(gong)放芯(xin)(xin)片(pian)(pian)(pian)中集成 DSP 模(mo)塊，可(ke)(ke)(ke)實(shi)(shi)(shi)現(xian)更(geng)豐富的(de)(de)(de)音(yin)(yin)效(xiao)(xiao)處(chu)理功(gong)(gong)(gong)(gong)(gong)能，如(ru)均衡器(qi)(qi)調節(jie)(jie)、環繞聲(sheng)(sheng)解(jie)碼、聲(sheng)(sheng)場模(mo)擬(ni)等，用(yong)戶可(ke)(ke)(ke)根據(ju)需(xu)求(qiu)自(zi)定(ding)義音(yin)(yin)效(xiao)(xiao)，無需(xu)額外搭(da)配單(dan)獨的(de)(de)(de) DSP 芯(xin)(xin)片(pian)(pian)(pian)，簡化系(xi)統設計，如(ru)某家(jia)庭影(ying)(ying)(ying)院(yuan)功(gong)(gong)(gong)(gong)(gong)放芯(xin)(xin)片(pian)(pian)(pian)集成了 7.1 聲(sheng)(sheng)道(dao) DSP 處(chu)理功(gong)(gong)(gong)(gong)(gong)能，支持 Dolby Atmos 音(yin)(yin)效(xiao)(xiao)解(jie)碼，提(ti)升(sheng)觀影(ying)(ying)(ying)的(de)(de)(de)沉浸感。另(ling)一(yi)方(fang)面，數(shu)(shu)(shu)(shu)字輸入(ru)接口(kou)的(de)(de)(de)普及讓(rang)功(gong)(gong)(gong)(gong)(gong)放芯(xin)(xin)片(pian)(pian)(pian)可(ke)(ke)(ke)直接接收數(shu)(shu)(shu)(shu)字音(yin)(yin)頻(pin)信號(hao)(hao)，省去了傳統的(de)(de)(de)數(shu)(shu)(shu)(shu)模(mo)轉換環節(jie)(jie)，減少信號(hao)(hao)傳輸損耗與干擾，如(ru)部分(fen)功(gong)(gong)(gong)(gong)(gong)放芯(xin)(xin)片(pian)(pian)(pian)支持 I2S 數(shu)(shu)(shu)(shu)字音(yin)(yin)頻(pin)接口(kou)，可(ke)(ke)(ke)直接與微控制(zhi)器(qi)(qi)、音(yin)(yin)頻(pin) codec 進(jin)行數(shu)(shu)(shu)(shu)字信號(hao)(hao)交(jiao)互，進(jin)一(yi)步提(ti)升(sheng)音(yin)(yin)質(zhi)。此(ci)外，隨著人工智(zhi)能技(ji)(ji)術(shu)的(de)(de)(de)發(fa)展，部分(fen)高級功(gong)(gong)(gong)(gong)(gong)放芯(xin)(xin)片(pian)(pian)(pian)開始引入(ru) AI 算法(fa)，通(tong)過機器(qi)(qi)學(xue)習(xi)分(fen)析用(yong)戶的(de)(de)(de)聽(ting)音(yin)(yin)習(xi)慣(guan)與音(yin)(yin)頻(pin)信號(hao)(hao)特(te)性(xing)，自(zi)動(dong)(dong)(dong)(dong)優化放大(da)參數(shu)(shu)(shu)(shu)，如(ru)動(dong)(dong)(dong)(dong)態調整輸出功(gong)(gong)(gong)(gong)(gong)率(lv)與頻(pin)響曲線，實(shi)(shi)(shi)現(xian) “個(ge)性(xing)化音(yin)(yin)效(xiao)(xiao)”；同(tong)時，AI 算法(fa)還可(ke)(ke)(ke)實(shi)(shi)(shi)時監(jian)測(ce)芯(xin)(xin)片(pian)(pian)(pian)的(de)(de)(de)工作狀(zhuang)態，預測(ce)潛在(zai)故障，提(ti)前(qian)啟動(dong)(dong)(dong)(dong)保(bao)護機制(zhi)，提(ti)升(sheng)芯(xin)(xin)片(pian)(pian)(pian)的(de)(de)(de)可(ke)(ke)(ke)靠(kao)性(xing)。這些(xie)數(shu)(shu)(shu)(shu)字化技(ji)(ji)術(shu)創(chuang)(chuang)新，正推動(dong)(dong)(dong)(dong)功(gong)(gong)(gong)(gong)(gong)放芯(xin)(xin)片(pian)(pian)(pian)從單(dan)純的(de)(de)(de) “功(gong)(gong)(gong)(gong)(gong)率(lv)放大(da)器(qi)(qi)件” 向 “智(zhi)能音(yin)(yin)頻(pin)處(chu)理單(dan)元(yuan)” 轉變。ACM8815在(zai)汽車音(yin)(yin)響應用(yong)中，該芯(xin)(xin)片(pian)(pian)(pian)可(ke)(ke)(ke)驅動(dong)(dong)(dong)(dong)4Ω低音(yin)(yin)炮輸出200W功(gong)(gong)(gong)(gong)(gong)率(lv)，實(shi)(shi)(shi)現(xian)影(ying)(ying)(ying)院(yuan)級聲(sheng)(sheng)場效(xiao)(xiao)果(guo)。貴州ATS芯(xin)(xin)片(pian)(pian)(pian)ATS3085C

杰(jie)理(li) JL7018F 芯片(pian)內置 32 位(wei)雙核 DSP，音頻(pin)處理(li)性能(neng)強勁(jing)。湖南汽車音響芯片(pian)ATS2815

    隨著智(zhi)(zhi)能(neng)家(jia)(jia)居(ju)的(de)(de)發展(zhan)，功(gong)放(fang)(fang)(fang)芯(xin)片(pian)(pian)(pian)需(xu)適配(pei)多樣化(hua)的(de)(de)智(zhi)(zhi)能(neng)家(jia)(jia)居(ju)設備(bei)(bei)(bei)特性(xing)，滿足便捷(jie)化(hua)、低(di)功(gong)耗、場景(jing)化(hua)的(de)(de)需(xu)求。首(shou)先，智(zhi)(zhi)能(neng)家(jia)(jia)居(ju)設備(bei)(bei)(bei)（如智(zhi)(zhi)能(neng)音(yin)(yin)(yin)箱(xiang)、智(zhi)(zhi)能(neng)門鈴）多采(cai)用電池供電或(huo)低(di)功(gong)耗設計，因此功(gong)放(fang)(fang)(fang)芯(xin)片(pian)(pian)(pian)需(xu)具(ju)備(bei)(bei)(bei)低(di)靜(jing)態(tai)(tai)電流(liu)特性(xing)，在(zai)(zai)待機(ji)狀(zhuang)(zhuang)態(tai)(tai)下消耗極少電能(neng)，如某智(zhi)(zhi)能(neng)音(yin)(yin)(yin)箱(xiang)功(gong)放(fang)(fang)(fang)芯(xin)片(pian)(pian)(pian)靜(jing)態(tai)(tai)電流(liu)只為 10μA，大幅延(yan)長設備(bei)(bei)(bei)續航。其次，智(zhi)(zhi)能(neng)家(jia)(jia)居(ju)設備(bei)(bei)(bei)常需(xu)支(zhi)(zhi)持語音(yin)(yin)(yin)交互功(gong)能(neng)，功(gong)放(fang)(fang)(fang)芯(xin)片(pian)(pian)(pian)需(xu)能(neng)快(kuai)速切換工作模式，在(zai)(zai)語音(yin)(yin)(yin)喚醒時迅(xun)速啟動功(gong)率(lv)放(fang)(fang)(fang)大，在(zai)(zai)待機(ji)時進入低(di)功(gong)耗狀(zhuang)(zhuang)態(tai)(tai)，同(tong)時需(xu)具(ju)備(bei)(bei)(bei)低(di)噪聲特性(xing)，避(bi)免芯(xin)片(pian)(pian)(pian)自身噪聲干擾語音(yin)(yin)(yin)識別(bie)的(de)(de)準確性(xing)。此外，不同(tong)智(zhi)(zhi)能(neng)家(jia)(jia)居(ju)設備(bei)(bei)(bei)的(de)(de)安裝(zhuang)(zhuang)場景(jing)不同(tong)，對功(gong)放(fang)(fang)(fang)芯(xin)片(pian)(pian)(pian)的(de)(de)體積與安裝(zhuang)(zhuang)方式也(ye)有(you)要求，如嵌入式智(zhi)(zhi)能(neng)面板(ban)需(xu)采(cai)用超小封(feng)裝(zhuang)(zhuang)的(de)(de)功(gong)放(fang)(fang)(fang)芯(xin)片(pian)(pian)(pian)（如 SOT-23 封(feng)裝(zhuang)(zhuang)），以適應狹小的(de)(de)安裝(zhuang)(zhuang)空間；而桌面式智(zhi)(zhi)能(neng)音(yin)(yin)(yin)箱(xiang)則(ze)可采(cai)用稍大封(feng)裝(zhuang)(zhuang)的(de)(de)芯(xin)片(pian)(pian)(pian)，以實現更高(gao)的(de)(de)輸(shu)出功(gong)率(lv)。同(tong)時，部分智(zhi)(zhi)能(neng)家(jia)(jia)居(ju)設備(bei)(bei)(bei)需(xu)支(zhi)(zhi)持多房間音(yin)(yin)(yin)頻同(tong)步播(bo)放(fang)(fang)(fang)，功(gong)放(fang)(fang)(fang)芯(xin)片(pian)(pian)(pian)需(xu)具(ju)備(bei)(bei)(bei)同(tong)步信(xin)號接收與處理能(neng)力，確保不同(tong)設備(bei)(bei)(bei)播(bo)放(fang)(fang)(fang)的(de)(de)音(yin)(yin)(yin)頻無延(yan)遲差異，提升用戶體驗。湖南汽(qi)車音(yin)(yin)(yin)響芯(xin)片(pian)(pian)(pian)ATS2815