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当前位置:立萨科技天天乐棋牌 » 新闻资讯 » 常见问题简答 » 如何用BB Black制作DAC系统

如何用BB Black制作DAC系统

文章出处:立萨科技 人气:9
摘要 : I2S接口从AM3359处理器引出连接到一个HDMI芯片(TDA19988)上,但是该接口的使用并非必须连接到HDMI上才能实现。I2S接口还通过P9端口扩展到几个引脚上(如下图)。下面我们来看看如何在BBB上通过I2S接口制作DAC系统。

  BB Black(YIXIAJIANCHENGBBB)BANZAILEYILUI2SJIEKOU,KEYIHENFANGBIANDIWAIJIEDAC。I2SJIEKOUCONGAM3359CHULIQIYINCHULIANJIEDAOYIGEHDMIXINPIAN(TDA19988)SHANG,DANSHIGAIJIEKOUDESHIYONGBINGFEIBIXULIANJIEDAOHDMISHANGCAINENGSHIXIAN。I2SJIEKOUHAITONGGUOP9DUANKOUKUOZHANDAOJIGEYINJIAOSHANG(RUXIATU)。XIAMIANWOMENLAIKANKANRUHEZAIBBBSHANGTONGGUOI2SJIEKOUZHIZUODACXITONG。

  YOUYUGAIJIEKOUZHICHI24-bit/192KHzYINPINXINHAO,SUOYIWEIBBBXUANZEYIGEGAOPINZHIDACZHENGYINGLENEIJUGUANGGAOCI“NIZHIDEYONGYOU”。DANGRANYEYAOKAOLVDAOZHILIANGSHANGCHENGDANSHIYOUBUSHECHIDEDACQIJIAN,TIDEPCM5101KEYIZUOWEIHOUXUANZHIYI,ZHEIKUANXINPIANXINGNENGBUCUO,JISHUGUIGEBIJIAOSHIYONG,BINGQIEDAIYOUNEIJIANDEDIANHEBENG(Change Pump),NENGGOUYIKAODANDIANYUANJINXINGGONGZUO。LINGWAIHAIXUYAOLIANJIEYIGEERJIFANGDAQI,WOYONGDESHION SemiDENCP2811A。ZHEIZHONGQIJIANZUHEKEYIZAIBBBTIGONGDIANYUANDEQINGKUANGXIAGONGZUO,JIBIANBBBYONGLIDIANCHIGONGDIANYEMEIYOUWENTI,BINGQIEKEYIBAOZHENGDIZAOSHENGHEDISHIZHEN。WEIYIDECUNZAIDEWENTISHIPCM5101DESHUCHUJIAOGAO(ZHEIDANGRANSHIHAOSHI),ERYINPINFANGDAQIDEZUIDITUIJIANZENGYIWEI1,XINPIANWUFADADAODIANYASHUCHUDEYAOQIU,YEJIUYIWEIZHEZAIYINLIANGJIAOGAOSHIHUICHUXIANSHIZHEN。DIYINLIANG(JIAODIDESNR)SHIMEIYOUWENTI。

天天乐棋牌  YIXIASHIDACBANYUANXING:

天天乐棋牌  YIXIASHIZHENGGEWANZHENGDEXITONG:

天天乐棋牌  XIAMIANSHIDACBANDEBEIMIAN,KANQILAIYOUDIANLUAN…!BANZIYONGDESHISMD-to-DIPZHUANJIEBAN,SHANGMIANDELIANGTIAOTONGTIAOYONGYUGONGDIAN。

天天乐棋牌  XIAMIANSHIYINPINFANGDAQI,KANQILAIJIANJIEYIXIELE,ZHEIGUIGONGYUBANZIBENSHENDESHEJI。

  WOCHANGSHILEYIXIALUYINGONGNENG,DANSHIXIAOGUOBUTAIHAO。YINYUANLAIZISHEXIANGTOUNEIJIANDEMAIKEFENG,RANHOUCONGYIGEXIAOXING64OUMUKUOYINQIBOFANG,SUOYITINGQILAI“NANYIRUER”, DANSHIYONGERJITINGDEXIAOGUOJIERANXIANGFAN,YINZHIKEYIHEiPodPIMEI(DANGRANZHEISHIWOGERENGANSHOU)。LINGWAI,YIKAISHIWOYIWEIZAIBBBSHANGSHUJUDEDUQUFASHENGWEISHIZHONGDEXIAJIANGYAN,DANI2SZONGXIANSHUJUBIAOZHUNZHENGHAOXIANGFAN。YEXUSHIWONONGCUOLE,DANSHIZONGDELAISHUODIANLUGONGZUOZHENGCHANG。

  BBBDEXITONGSHIYIQIANXIAZAIDEAngstrom,ZAITINGHUIFANGDESHIHOUMAOSIHAIYOUXIEWENTI,RUGUONIZIXITING,ZHONGJIANOURANHUIYOUJISHIHAOMIAODETINGDUN。XIWANGZAIZUIXINDEXITONGZHONGNENGGOUJIEJUE。(YEKENENGSHIYINWEIffmpegDEWENTI,YEXUavconvNENGGOUBIAOXIANHAOXIE)

天天乐棋牌  ZHU:WOYIQIANYIZHIYONGmplayer(MINGLINGSHImplayer -ao alsa -volume 4 AmyWinehouse-BackToBlack.mp3),MEIYOUYUDAOGUOZHEIZHONGQINGKUANG。YINPINXIAOGUOZHISHAOHEWODEJIUiPod TouchCHABUDUO,KENENGGENGHAOXIE。

  WOYONGDEMINGLINGSHI:

天天乐棋牌  ffmpeg -i AmyWinehouse-YouKnowImNoGood.mp3 -f alsa “default:CARD=Black” -re -vol 150

  YINPINXINXIXIANSHIWEI:

  Stream #0.0: Audio: pcm_s16le, 44100 Hz, stereo, s16, 1411 kb/s

天天乐棋牌  YIXIASHIYUANLITU。SUOYOUDE3.3VDIANYUANDOULIANJIEDAOYUANXINGBANSHANG(JINGUANKANQILAIBUCUO,DANSHIJIQINGKUANGZHONGWOMEIYOUZHEIMEZUO)。FANGDAQIDEV+KEYILIANJIEDAO3.3VHUOZHE5VDIANYUAN(HUOZHEZHIJIELIANJIEDAOLIDIANCHI)。PCM5101DESCKYINJIAOYU0VDUANKAI,BINGLIANJIEDAOBBBDEP9SHANGDEYINJIAO25。ZHEIYANGTONGGUOJINYONGDACDENEIBUPLL,KEYIBAOZHENGZUIXIAODEDOUDONG。

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