{"id":16,"date":"2026-05-01T15:45:52","date_gmt":"2026-05-01T15:45:52","guid":{"rendered":"http:\/\/localhost\/index.php\/2026\/05\/01\/car-karaoke-system-architecture\/"},"modified":"2026-05-01T15:58:36","modified_gmt":"2026-05-01T15:58:36","slug":"car-karaoke-system-architecture","status":"publish","type":"post","link":"\/index.php\/2026\/05\/01\/car-karaoke-system-architecture\/","title":{"rendered":"\u57fa\u4e8e\u9ad8\u901aHQX\u5e73\u53f0\u7684\u8f66\u8f7d\u5361\u62c9OK\u7cfb\u7edf\u5b9e\u73b0\u65b9\u6848\uff08Android\u4fa7\u8be6\u89e3\uff09"},"content":{"rendered":"<p class=\"wp-block-paragraph\">\u968f\u7740\u667a\u80fd\u5ea7\u8231\u5a31\u4e50\u529f\u80fd\u7684\u6301\u7eed\u8fdb\u5316\uff0c\u8f66\u8f7d\u5361\u62c9OK\u5df2\u7ecf\u6210\u4e3a\u4e2d\u9ad8\u7aef\u8f66\u578b\u7684\u6807\u914d\u3002\u4e0d\u540c\u4e8e\u624b\u673aK\u6b4c\uff0c\u8f66\u8f7d\u73af\u5883\u6709\u5176\u72ec\u7279\u7684\u58f0\u5b66\u6311\u6218\uff1a\u7a7a\u95f4\u5c0f\u3001\u626c\u58f0\u5668\u529f\u7387\u5927\u3001\u9ea6\u514b\u98ce\u4e0e\u626c\u58f0\u5668\u8ddd\u79bb\u8fd1\u3002\u672c\u6587\u4ee5<strong>\u9ad8\u901aHQX\uff08\u9a81\u9f99\u5ea7\u8231\u5e73\u53f0\uff09<\/strong>\u4e3a\u53c2\u8003\uff0c\u68b3\u7406Android Automotive OS\uff08AAOS\uff09\u4fa7\u5361\u62c9OK\u7cfb\u7edf\u7684\u5b8c\u6574\u5b9e\u73b0\u65b9\u6848\u3002<\/p><h2 class=\"wp-block-heading\">\ud83d\udcd0 \u6574\u4f53\u67b6\u6784<\/h2><p class=\"wp-block-paragraph\">\u5728AAOS\u5e73\u53f0\u4e0a\uff0c\u5361\u62c9OK\u7cfb\u7edf\u6574\u4f53\u5206\u4e3a\u4ee5\u4e0b\u51e0\u4e2a\u5904\u7406\u57df\uff1a<\/p><ul class=\"wp-block-list\"><li><strong>Android\u5e94\u7528\u57df\uff08AP\u7aef\uff09<\/strong>\uff1aKaraoke APP\u3001\u4eba\u58f0\u6d88\u9664(VR)\u3001\u6df7\u97f3\u3001\u8bc4\u5206\u7cfb\u7edf<\/li><li><strong>Android Framework\u57df<\/strong>\uff1aAudioFocus\u3001AudioPolicy\u3001AAudio\u3001Multi-Zone\u8def\u7531<\/li><li><strong>Hexagon DSP\u57df\uff08QAF\uff09<\/strong>\uff1a\u56de\u58f0\u6d88\u9664(AEC)\u3001\u566a\u58f0\u6291\u5236(NS)\u3001\u8bed\u97f3\u5524\u9192(VAD)<\/li><li><strong>Audio HAL\u57df<\/strong>\uff1a\u97f3\u9891\u8def\u7531\u3001\u91c7\u6837\u7387\u8f6c\u6362\u3001I2S\/TDM\u63a5\u53e3<\/li><\/ul><h3 class=\"wp-block-heading\">\u5904\u7406\u57df\u5212\u5206\u539f\u5219<\/h3><ul class=\"wp-block-list\"><li><strong>\u7b97\u529b\u5bc6\u96c6\u578bAI\u7b97\u6cd5 \u2192 AP\u7aef<\/strong>\uff1a\u4eba\u58f0\u6d88\u9664(VR)\u3001\u97f3\u9ad8\u4fee\u6b63(Pitch Correction)\u901a\u5e38\u5728AP\u7aef\u8fd0\u884c\uff0cHexagon DSP\u53d7\u9650\u4e8eDSP\u7b97\u529b\u548c\u6a21\u578b\u5927\u5c0f<\/li><li><strong>\u5b9e\u65f6\u6027\u8981\u6c42\u6781\u9ad8 \u2192 Hexagon DSP<\/strong>\uff1aAEC\u3001NS\u3001VAD\u9700\u8981\u6781\u4f4e\u5ef6\u8fdf\uff08<20ms\uff09\uff0c\u9002\u5408\u5728DSP\u4e2d\u4ee5\u786c\u4ef6\/\u56fa\u4ef6\u65b9\u5f0f\u5b9e\u73b0<\/li><li><strong>\u7b56\u7565\/\u8def\u7531 \u2192 Audio HAL\/Framework<\/strong>\uff1aAudioPolicy\u3001Multi-Zone\u8def\u7531\u5fc5\u987b\u5728Framework\u5c42\u5904\u7406<\/li><\/ul><h2 class=\"wp-block-heading\">\ud83d\udd2c Hexagon DSP vs Android AP \u7b97\u529b\u5bf9\u6bd4<\/h2><table><thead><tr><th>\u5904\u7406\u73af\u8282<\/th><th>\u63a8\u8350\u5904\u7406\u4f4d\u7f6e<\/th><th>\u539f\u56e0<\/th><\/tr><\/thead><tbody><tr><td>AEC\uff08\u56de\u58f0\u6d88\u9664\uff09<\/td><td>Hexagon DSP \u2705<\/td><td>\u5b9e\u65f6\u6027\u8981\u6c42\u6781\u9ad8\uff0c\u5ef6\u8fdf\u654f\u611f\uff0c\u5fc5\u987b\u5728DSP\u786c\u5b9e\u65f6\u5904\u7406<\/td><\/tr><tr><td>NS\uff08\u566a\u58f0\u6291\u5236\uff09<\/td><td>Hexagon DSP \u2705<\/td><td>\u540c\u4e0a\uff0c\u5b9e\u65f6pipeline<\/td><\/tr><tr><td>VAD\uff08\u8bed\u97f3\u6d3b\u52a8\u68c0\u6d4b\uff09<\/td><td>Hexagon DSP \u2705<\/td><td>\u6781\u4f4e\u5ef6\u8fdf\uff0c\u7528\u4e8e\u5524\u9192\u8bcd\u68c0\u6d4b<\/td><\/tr><tr><td>VR\uff08\u4eba\u58f0\u6d88\u9664\/\u4f34\u594f\u63d0\u53d6\uff09<\/td><td>Android AP\u7aef \u2705<\/td><td>\u6a21\u578b\u5927\uff08\u901a\u5e38>50MB\uff09\uff0c\u7b97\u529b\u8981\u6c42\u9ad8\uff0cHexagon DSP\u627f\u8f7d\u4e0d\u4e86<\/td><\/tr><tr><td>Pitch Correction\uff08\u97f3\u9ad8\u4fee\u6b63\uff09<\/td><td>Android AP\u7aef \u2705<\/td><td>\u5b9e\u65f6\u6027\u8981\u6c42\u4e2d\u7b49\uff0c\u4f46\u7b97\u529b\u9700\u6c42\u9ad8<\/td><\/tr><tr><td>Reverb\uff08\u6df7\u54cd\uff09<\/td><td>AP\u7aef\u6216DSP\u7aef\u5747\u53ef<\/td><td>\u5ef6\u8fdf\u8981\u6c42\u4f4e\uff0c\u6548\u679c\u578b\u7b97\u6cd5<\/td><\/tr><tr><td>\u6df7\u97f3\uff08Mixing\uff09<\/td><td>Android AP\u7aef \u2705<\/td><td>\u9700\u8981\u8bbf\u95ee\u591a\u8def\u97f3\u9891\u6d41\uff0c\u5728AP\u7aef\u5904\u7406\u66f4\u7075\u6d3b<\/td><\/tr><\/tbody><\/table><h2>\ud83d\udcca \u9ad8\u901aHQX\u5e73\u53f0\u5361\u62c9OK\u6570\u636e\u6d41<\/h2><!-- \/wp:post-content --><!-- wp:paragraph --><p>\u57fa\u4e8e\u9ad8\u901a\u5ea7\u8231\u5e73\u53f0\uff08QCS6490\/QCM6490\u7b49HQX\u7cfb\u5217\uff09\uff0c\u5178\u578b\u7684\u8f66\u8f7dKaraoke\u97f3\u9891\u6570\u636e\u6d41\u5982\u4e0b\uff1a<\/p><!-- \/wp:paragraph --><!-- wp:list --><ul><li><strong>\u9ea6\u514b\u98ce\u8f93\u5165<\/strong>\uff1a\u84dd\u7259\u9ea6\u514b\u98ce\uff08HFP)\u6216USB\u9ea6\u514b\u98ce \u2192 Audio USB HAL \/ BT HFP HAL<\/li><li><strong>DSP\u524d\u5904\u7406<\/strong>\uff1aHexagon DSP \u2192 AEC + NS \u2192 \u8f93\u51fa\u5e72\u51c0\u4eba\u58f0<\/li><li><strong>AP\u7aef\u5904\u7406<\/strong>\uff1aAndroid AP \u2192 \u4eba\u58f0\u6d88\u9664(VR) \u2192 \u4f34\u594f+\u5904\u7406\u540e\u4eba\u58f0\u6df7\u97f3<\/li><li><strong>\u8f93\u51fa<\/strong>\uff1aAP\u7aef\u6df7\u97f3\u7ed3\u679c \u2192 Audio HAL \u2192 I2S\/TDM \u2192 \u529f\u653e \u2192 \u626c\u58f0\u5668<\/li><\/ul><!-- \/wp:list --><h3>\u5173\u952e\u8def\u5f84\u5ef6\u8fdf\u5206\u6790<\/h3><!-- \/wp:heading --><!-- wp:table --><table><thead><tr><th>\u73af\u8282<\/th><th>\u5ef6\u8fdf<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td>\u9ea6\u514b\u98ce\u2192Hexagon DSP (AEC+NS)<\/td><td>~5-10ms<\/td><td>DSP\u786c\u4ef6pipeline<\/td><\/tr><tr><td>DSP\u2192AP\u7aef<\/td><td>~5ms<\/td><td>\u5171\u4eab\u5185\u5b58\u96f6\u62f7\u8d1d<\/td><\/tr><tr><td>AP\u7aefVR\u7b97\u6cd5\u5904\u7406<\/td><td>~20-40ms<\/td><td>\u53d6\u51b3\u4e8e\u6a21\u578b\u5927\u5c0f\u548cAP\u7b97\u529b<\/td><\/tr><tr><td>\u6df7\u97f3<\/td><td>~5ms<\/td><td>PCM buffer\u5904\u7406<\/td><\/tr><tr><td>Audio HAL\u2192\u529f\u653e\u8f93\u51fa<\/td><td>~10-15ms<\/td><td>I2S buffer<\/td><\/tr><tr><td>\u603b\u8ba1\uff08\u7aef\u5230\u7aef\uff09<\/td><td>~45-70ms<\/td><td>\u53ef\u63a5\u53d7\u7684K\u6b4c\u4f53\u9a8c<\/td><\/tr><\/tbody><\/table><!-- \/wp:heading --><h2>\ud83e\udde0 Hexagon DSP\u4fa7\u7b97\u6cd5\u5b9e\u73b0<\/h2><!-- \/wp:heading --><!-- wp:paragraph --><p>\u9ad8\u901a\u5ea7\u8231\u5e73\u53f0\u7684Hexagon DSP\uff08QAF &#8211; Qualcomm AI Engine\uff09\u8fd0\u884c\u5b9e\u65f6\u97f3\u9891\u5904\u7406\u56fa\u4ef6\uff0c\u5173\u952e\u7b97\u6cd5\u5728DSP\u4e2d\u5b9e\u73b0\uff1a<\/p><!-- \/wp:paragraph --><!-- wp:heading --><h3>1. AEC\uff08\u56de\u58f0\u6d88\u9664\uff09<\/h3><!-- \/wp:heading --><!-- wp:list --><ul><li><strong>\u5b9e\u73b0\u4f4d\u7f6e<\/strong>\uff1aHexagon DSP \u97f3\u9891\u56fa\u4ef6\uff08ADSP\uff09<\/li><li><strong>\u63a5\u53e3<\/strong>\uff1a\u901a\u8fc7QAF\uff08Qualcomm AI Engine\uff09API\u8c03\u7528\uff0c\u6216\u901a\u8fc7 HAL\u4e0b\u7684Audio Voice driver<\/li><li><strong>\u6280\u672f\u65b9\u6848<\/strong>\uff1a\u81ea\u7814\u8f66\u8f7dAEC\u7b97\u6cd5\uff08\u9488\u5bf9\u8f66\u5185\u73af\u5883\u4f18\u5316\uff09\uff0c\u652f\u6301\u53cc\u5de5\u901a\u8bdd\u548cKaraoke\u6a21\u5f0f\u5207\u6362<\/li><li><strong>\u5173\u952e\u914d\u7f6e<\/strong>\uff1a\u9700\u8981\u77e5\u9053\u626c\u58f0\u5668\u8f93\u51fa\u53c2\u8003\u4fe1\u53f7\u548c\u9ea6\u514b\u98ce\u8f93\u5165\u4fe1\u53f7\u7684\u5bf9\u9f50\u5173\u7cfb<\/li><\/ul><!-- \/wp:heading --><!-- wp:heading --><h3>2. NS\uff08\u566a\u58f0\u6291\u5236\uff09<\/h3><!-- \/wp:heading --><!-- wp:list --><ul><li><strong>\u5b9e\u73b0\u4f4d\u7f6e<\/strong>\uff1aHexagon DSP\uff0c\u4e0eAEC\u4e32\u8054<\/li><li><strong>\u6280\u672f\u65b9\u6848<\/strong>\uff1a\u4f20\u7edf\u4fe1\u53f7\u5904\u7406\uff08\u8c31\u51cf\u6cd5\uff09+ DNN\u6df7\u5408\uff0c\u9ad8\u901a8.0+\u652f\u6301AI-NS<\/li><li><strong>\u4f18\u5316<\/strong>\uff1a\u8f66\u5185\u98ce\u566a\u3001\u80ce\u566a\u3001\u7a7a\u8c03\u566a\u97f3\u7b49\u7279\u5b9a\u566a\u58f0\u6a21\u578b<\/li><\/ul><!-- \/wp:heading --><!-- wp:heading --><h3>3. VAD\uff08\u8bed\u97f3\u6d3b\u52a8\u68c0\u6d4b\uff09<\/h3><!-- \/wp:heading --><!-- wp:list --><ul><li><strong>\u5b9e\u73b0\u4f4d\u7f6e<\/strong>\uff1aHexagon DSP\uff0calways-on<\/li><li><strong>\u7528\u9014<\/strong>\uff1a\u5524\u9192\u8bcd\u68c0\u6d4b\u3001\u8bed\u97f3\u6253\u65ad\u3001Karaoke\u65f6\u7684\u4eba\u58f0\u68c0\u6d4b<\/li><li><strong>SDK<\/strong>\uff1aQAF Voice SDK<\/li><\/ul><!-- \/wp:heading --><h2>\ud83d\udcf1 Android AP\u4fa7\u7b97\u6cd5\u5b9e\u73b0<\/h2><!-- \/wp:heading --><!-- wp:heading --><h3>1. VR\uff08\u4eba\u58f0\u6d88\u9664\/\u4f34\u594f\u63d0\u53d6\uff09<\/h3><!-- \/wp:heading --><!-- wp:list --><ul><li><strong>\u5b9e\u73b0\u4f4d\u7f6e<\/strong>\uff1aAndroid AP\u7aef\uff0c\u4f5c\u4e3a\u72ec\u7acbNative Service\u6216APP\u5185\u5904\u7406<\/li><li><strong>\u6280\u672f\u65b9\u6848<\/strong>\uff1a\u4e91\u7aef\u65b9\u6848\uff08Deezer spleeter API\uff09\u6216\u672c\u5730\u65b9\u6848\uff08Facebook MDM\u3001spleeter\u7b49\u5f00\u6e90\u6a21\u578b\uff0c\u6216\u5382\u5546\u81ea\u7814\uff09<\/li><li><strong>\u6a21\u578b\u9009\u62e9<\/strong>\uff1a2-stem\uff08\u4eba\u58f0\/\u4f34\u594f\u5206\u79bb\uff09vs 4-stem\/5-stem\uff08\u66f4\u597d\u5206\u79bb\u6548\u679c\uff0c\u4f46\u7b97\u529b\u9700\u6c42\u66f4\u9ad8\uff09<\/li><li><strong>\u90e8\u7f72\u65b9\u5f0f<\/strong>\uff1aNPU\u52a0\u901f\uff08\u9ad8\u901aQNPU\uff09\u6216GPU\u52a0\u901f\uff08Adreno\uff09\u6216\u7eafCPU\uff08\u4e0d\u63a8\u8350\uff09<\/li><\/ul><!-- \/wp:heading --><!-- wp:heading --><h3>2. Pitch Correction\uff08\u97f3\u9ad8\u4fee\u6b63\uff09<\/h3><!-- \/wp:heading --><!-- wp:list --><ul><li><strong>\u5b9e\u73b0\u4f4d\u7f6e<\/strong>\uff1aAndroid AP\u7aef\uff0cNative Service<\/li><li><strong>\u6280\u672f\u65b9\u6848<\/strong>\uff1aCelemony Capstan\uff08\u5546\u4e1a\u65b9\u6848\uff09\u6216\u81ea\u7814\u5b9e\u65f6Pitch Shifter<\/li><li><strong>\u5ef6\u8fdf<\/strong>\uff1a~10-20ms<\/li><\/ul><!-- \/wp:heading --><!-- wp:heading --><h3>3. \u6df7\u97f3\uff08Mixing\uff09<\/h3><!-- \/wp:heading --><!-- wp:list --><ul><li><strong>\u5b9e\u73b0\u4f4d\u7f6e<\/strong>\uff1aAndroid AP\u7aef\uff0cAudioTrack\u6216AAudio\u6df7\u5408<\/li><li><strong>\u5904\u7406<\/strong>\uff1a\u4eba\u58f0\u97f3\u91cf\u72ec\u7acb\u63a7\u5236\u3001\u4f34\u594f\u97f3\u91cf\u63a7\u5236\u3001\u5b9e\u65f6\u8033\u8fd4\uff08IEM\uff09\u6df7\u97f3<\/li><\/ul><!-- \/wp:heading --><h2>\ud83c\udf9b\ufe0f \u9ad8\u901aHQX\u5e73\u53f0Multi-Zone\u5361\u62c9OK<\/h2><!-- \/wp:heading --><!-- wp:paragraph --><p>\u8f66\u8f7dKaraoke\u7684\u7406\u60f3\u573a\u666f\u662f\uff1a<strong>\u524d\u6392\u4e58\u5ba2K\u6b4c\uff0c\u540e\u6392\u4e58\u5ba2\u7ee7\u7eed\u542c\u5bfc\u822a\/\u97f3\u4e50<\/strong>\u3002\u8fd9\u9700\u8981AAOS\u7684Multi-Zone Audio\u652f\u6301\u3002<\/p><!-- \/wp:paragraph --><!-- wp:list --><ul><li><strong>Zone 1\uff08\u524d\u6392\uff09<\/strong>\uff1aKaraoke\u97f3\u9891\u8f93\u51fa<\/li><li><strong>Zone 2\uff08\u540e\u6392\uff09<\/strong>\uff1a\u5bfc\u822a\u64ad\u62a5\/\u97f3\u4e50\u7ee7\u7eed\u64ad\u653e<\/li><li><strong>\u5b9e\u73b0<\/strong>\uff1aAudio HAL v2+ \u7684 Dynamic Routing\uff0c\u5404Zone\u72ec\u7acbAudioPolicy<\/li><\/ul><!-- \/wp:heading --><h2>\ud83d\udca1 \u65b9\u6848\u9009\u578b\u5efa\u8bae<\/h2><!-- \/wp:heading --><!-- wp:list --><ul><li><strong>\u540e\u88c5\/\u5165\u95e8\u65b9\u6848<\/strong>\uff1a\u7eafAP\u7aefVR\u7b97\u6cd5\uff0c\u84dd\u7259\u9ea6\u514b\u98ce \u2192 \u5ef6\u8fdf\u8f83\u9ad8\uff08>100ms\uff09\uff0c\u4f46\u6210\u672c\u4f4e<\/li><li><strong>\u524d\u88c5\u4e2d\u914d\u65b9\u6848<\/strong>\uff1aHexagon DSP AEC+NS + AP\u7aefVR \u2192 \u4f53\u9a8c\u5747\u8861<\/li><li><strong>\u65d7\u8230\u65b9\u6848<\/strong>\uff1aHexagon DSP AEC\/NS\/VAD + AP\u7aefVR + Multi-Zone + \u4e13\u4e1aDSP\u540e\u5904\u7406 \u2192 \u6700\u4f18\u4f53\u9a8c<\/li><\/ul><!-- \/wp:paragraph --><p>\u6301\u7eed\u66f4\u65b0\u4e2d\uff0c\u6b22\u8fce\u884c\u4e1a\u4e13\u5bb6\u8865\u5145\u6307\u6b63\u3002<\/p><!-- \/wp:paragraph -->","protected":false},"excerpt":{"rendered":"<p>\u968f\u7740\u667a\u80fd\u5ea7\u8231\u5a31\u4e50\u529f\u80fd\u7684\u6301\u7eed\u8fdb\u5316\uff0c\u8f66\u8f7d\u5361\u62c9OK\u5df2\u7ecf\u6210\u4e3a\u4e2d\u9ad8\u7aef\u8f66\u578b\u7684\u6807\u914d\u3002\u4e0d\u540c\u4e8e\u624b\u673aK\u6b4c\uff0c\u8f66\u8f7d\u73af\u5883\u6709\u5176\u72ec\u7279\u7684\u58f0\u5b66\u6311 &#8230; <a title=\"\u57fa\u4e8e\u9ad8\u901aHQX\u5e73\u53f0\u7684\u8f66\u8f7d\u5361\u62c9OK\u7cfb\u7edf\u5b9e\u73b0\u65b9\u6848\uff08Android\u4fa7\u8be6\u89e3\uff09\" class=\"read-more\" href=\"\/index.php\/2026\/05\/01\/car-karaoke-system-architecture\/\" aria-label=\"\u9605\u8bfb \u57fa\u4e8e\u9ad8\u901aHQX\u5e73\u53f0\u7684\u8f66\u8f7d\u5361\u62c9OK\u7cfb\u7edf\u5b9e\u73b0\u65b9\u6848\uff08Android\u4fa7\u8be6\u89e3\uff09\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,3],"tags":[],"class_list":["post-16","post","type-post","status-publish","format-standard","hentry","category-tech","category-car-audio"],"_links":{"self":[{"href":"\/index.php\/wp-json\/wp\/v2\/posts\/16","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/index.php\/wp-json\/wp\/v2\/comments?post=16"}],"version-history":[{"count":1,"href":"\/index.php\/wp-json\/wp\/v2\/posts\/16\/revisions"}],"predecessor-version":[{"id":19,"href":"\/index.php\/wp-json\/wp\/v2\/posts\/16\/revisions\/19"}],"wp:attachment":[{"href":"\/index.php\/wp-json\/wp\/v2\/media?parent=16"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/index.php\/wp-json\/wp\/v2\/categories?post=16"},{"taxonomy":"post_tag","embeddable":true,"href":"\/index.php\/wp-json\/wp\/v2\/tags?post=16"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}