{"id":3070,"date":"2025-02-06T18:20:07","date_gmt":"2025-02-06T10:20:07","guid":{"rendered":"http:\/\/www.51cos.com\/?p=3070"},"modified":"2025-05-23T18:21:40","modified_gmt":"2025-05-23T10:21:40","slug":"usb%e9%ba%a6%e5%85%8b%e9%a3%8eai","status":"publish","type":"post","link":"http:\/\/www.51cos.com\/?p=3070","title":{"rendered":"USB\u9ea6\u514b\u98ce+AI"},"content":{"rendered":"<blockquote><p>\n  \u6211\u6709USB\u9ea6\u514b\u98ce\u7684\u82af\u7247\u89e3\u51b3\u65b9\u6848\uff0c\u60f3\u5bf9\u63a5\u67d0\u4e2aAI\u5e73\u53f0\uff0c\u5728windows\u4e0emacOS\u5e73\u53f0\u5b9e\u73b0\u8bed\u97f3\u5b9e\u65f6\u8f6c\u6587\u5b57\u3001\u4ee5\u53ca\u6587\u5b57AI\u6574\u7406\u529f\u80fd\uff0c\u8bf7\u63d0\u4f9b\u8be6\u7ec6\u7684\u89e3\u51b3\u601d\u8def\u8ba9\u6211\u9009\u62e9\u3002\n<\/p><\/blockquote>\n<p>\u4ee5\u4e0b\u662f\u9488\u5bf9\u5c06USB\u9ea6\u514b\u98ce\u82af\u7247\u89e3\u51b3\u65b9\u6848\u5bf9\u63a5AI\u5e73\u53f0\uff0c\u5b9e\u73b0Windows\/macOS\u53cc\u5e73\u53f0\u5b9e\u65f6\u8bed\u97f3\u8f6c\u6587\u5b57\u53ca\u6587\u5b57AI\u6574\u7406\u529f\u80fd\u7684\u8be6\u7ec6\u89e3\u51b3\u601d\u8def\u548c\u65b9\u6848\u9009\u62e9\uff1a<\/p>\n<hr \/>\n<h3><strong>\u4e00\u3001\u6574\u4f53\u6280\u672f\u67b6\u6784\u8bbe\u8ba1<\/strong><\/h3>\n<div class=\"mermaid mermaid-diagram no-emojify\"><script type=\"text\/javascript\">document.write(\"graph TD\\n  A[USB\u9ea6\u514b\u98ce\u786c\u4ef6] --&gt; B[\u8de8\u5e73\u53f0\u97f3\u9891\u91c7\u96c6]\\n  B --&gt; C{\u5904\u7406\u6a21\u5f0f\u9009\u62e9}\\n  C --&gt; D[\u672c\u5730AI\u5f15\u64ce]\\n  C --&gt; E[\u4e91\u7aefAI\u670d\u52a1]\\n  D --&gt; F[\u5b9e\u65f6\u8bed\u97f3\u8f6c\u6587\u5b57]\\n  E --&gt; F\\n  F --&gt; G[\u6587\u5b57AI\u6574\u7406]\\n  G --&gt; H[\u8f93\u51fa\/\u5b58\u50a8\/API]\\n\");<\/script><\/div>\n<hr \/>\n<h3><strong>\u4e8c\u3001\u6838\u5fc3\u6a21\u5757\u5b9e\u73b0\u65b9\u6848<\/strong><\/h3>\n<h4><strong>1. \u97f3\u9891\u91c7\u96c6\u5c42\uff08\u5173\u952e\uff09<\/strong><\/h4>\n<ul>\n<li><strong>\u76ee\u6807<\/strong>\uff1a\u4eceUSB\u9ea6\u514b\u98ce\u83b7\u53d6\u9ad8\u8d28\u91cf\u3001\u4f4e\u5ef6\u8fdf\u7684\u97f3\u9891\u6d41<\/li>\n<li><strong>\u6280\u672f\u9009\u578b<\/strong>\uff1a\n<ul>\n<li><strong>\u8de8\u5e73\u53f0\u97f3\u9891\u5e93<\/strong>\uff1a<\/li>\n<li>PortAudio\uff08C\/C++\uff0c\u652f\u6301Windows\/macOS\/Linux\uff09<\/li>\n<li>JUCE Framework\uff08\u4e13\u4e1a\u97f3\u9891\u5f00\u53d1\u6846\u67b6\uff09<\/li>\n<li>Python\u65b9\u6848\uff1aSoundDevice\/PyAudio<\/li>\n<li><strong>\u786c\u4ef6\u9002\u914d<\/strong>\uff1a<\/li>\n<li>\u5f00\u53d1\u4e13\u7528ASIO\/WASAPI\u9a71\u52a8\uff08Windows\u4f4e\u5ef6\u8fdf\uff09<\/li>\n<li>Core Audio\u9002\u914d\uff08macOS\u4f18\u5316\uff09<\/li>\n<li><strong>\u53c2\u6570\u8981\u6c42<\/strong>\uff1a<\/li>\n<li>\u91c7\u6837\u7387\uff1a16kHz\u4ee5\u4e0a\uff08\u5efa\u8bae44.1kHz\uff09<\/li>\n<li>\u4f4d\u6df1\uff1a16-bit\u621624-bit<\/li>\n<li>\u5ef6\u8fdf\uff1a&lt;100ms\uff08\u5b9e\u65f6\u6027\u5173\u952e\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>2. \u8bed\u97f3\u8f6c\u6587\u5b57\u5f15\u64ce<\/strong><\/h4>\n<table>\n<thead>\n<tr>\n<th>\u65b9\u6848\u7c7b\u578b<\/th>\n<th>\u63a8\u8350\u6280\u672f<\/th>\n<th>\u4f18\u70b9<\/th>\n<th>\u7f3a\u70b9<\/th>\n<th>\u9002\u7528\u573a\u666f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u4e91\u7aef\u65b9\u6848<\/strong><\/td>\n<td>Azure Speech\/Google Speech-to-Text<\/td>\n<td>\u9ad8\u51c6\u786e\u7387\uff0c\u591a\u8bed\u8a00\u652f\u6301<\/td>\n<td>\u4f9d\u8d56\u7f51\u7edc\uff0c\u6301\u7eed\u6210\u672c<\/td>\n<td>\u9700\u8981\u9ad8\u7cbe\u5ea6\uff0c\u5141\u8bb8\u8054\u7f51<\/td>\n<\/tr>\n<tr>\n<td><strong>\u672c\u5730\u65b9\u6848<\/strong><\/td>\n<td>Mozilla DeepSpeech\/Vosk<\/td>\n<td>\u79bb\u7ebf\u53ef\u7528\uff0c\u9690\u79c1\u6027\u597d<\/td>\n<td>\u9700\u6a21\u578b\u4f18\u5316\uff0c\u786c\u4ef6\u8981\u6c42\u9ad8<\/td>\n<td>\u4fdd\u5bc6\u573a\u666f\uff0c\u7f51\u7edc\u9650\u5236<\/td>\n<\/tr>\n<tr>\n<td><strong>\u6df7\u5408\u65b9\u6848<\/strong><\/td>\n<td>NVIDIA Riva + Triton\u63a8\u7406\u670d\u52a1\u5668<\/td>\n<td>\u5e73\u8861\u6027\u80fd\u4e0e\u7075\u6d3b\u6027<\/td>\n<td>\u90e8\u7f72\u590d\u6742\u5ea6\u9ad8<\/td>\n<td>\u4f01\u4e1a\u7ea7\u89e3\u51b3\u65b9\u6848<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4><strong>3. \u6587\u5b57AI\u5904\u7406\u6a21\u5757<\/strong><\/h4>\n<ul>\n<li><strong>\u57fa\u7840\u529f\u80fd<\/strong>\uff1a\n<ul>\n<li>\u5b9e\u65f6\u5b57\u5e55\u751f\u6210<\/li>\n<li>\u667a\u80fd\u5206\u6bb5\u4e0e\u6807\u70b9\u4fee\u590d<\/li>\n<li>\u5173\u952e\u8bcd\u63d0\u53d6\uff08TF-IDF\/TextRank\uff09<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8fdb\u9636\u529f\u80fd<\/strong>\uff1a\n<ul>\n<li>\u6458\u8981\u751f\u6210\uff08BERT\/PaLM\uff09<\/li>\n<li>\u60c5\u611f\u5206\u6790<\/li>\n<li>\u591a\u8bed\u8a00\u4e92\u8bd1\uff08\u9700\u5bf9\u63a5\u7ffb\u8bd1API\uff09<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u63a8\u8350\u6846\u67b6<\/strong>\uff1a\n<pre><code class=\"language-python line-numbers\"># \u793a\u4f8b\uff1a\u7ed3\u5408Hugging Face\u7684\u5b9e\u65f6\u5904\u7406\nfrom transformers import pipeline\nsummarizer = pipeline(\"summarization\", model=\"facebook\/bart-large-cnn\")\n\ndef process_text(text):\n  summary = summarizer(text, max_length=130, min_length=30)\n  return {\n      \"summary\": summary[0]['summary_text'],\n      \"keywords\": extract_keywords(text) \n  }\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<h4><strong>4. \u8de8\u5e73\u53f0\u5ba2\u6237\u7aef\u5f00\u53d1<\/strong><\/h4>\n<ul>\n<li><strong>\u65b9\u6848\u5bf9\u6bd4<\/strong>\uff1a<br \/>\n<table>\n<thead>\n<tr>\n<th>\u6280\u672f\u6808<\/th>\n<th>\u5f00\u53d1\u6548\u7387<\/th>\n<th>\u6027\u80fd<\/th>\n<th>\u7ef4\u62a4\u6210\u672c<\/th>\n<th>\u63a8\u8350\u6307\u6570<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Electron + WebAssembly<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d<\/td>\n<td>\u4f4e<\/td>\n<td>\u2605\u2605\u2605\u2605\u2606<\/td>\n<\/tr>\n<tr>\n<td>Qt + C++<\/td>\n<td>\u4e2d<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d<\/td>\n<td>\u2605\u2605\u2605\u2605\u2606<\/td>\n<\/tr>\n<tr>\n<td>\u539f\u751f\u5f00\u53d1\uff08C#\/Swift\uff09<\/td>\n<td>\u4f4e<\/td>\n<td>\u6700\u9ad8<\/td>\n<td>\u9ad8<\/td>\n<td>\u2605\u2605\u2606\u2606\u2606<\/td>\n<\/tr>\n<tr>\n<td>Flutter + Rust\uff08FFI\uff09<\/td>\n<td>\u9ad8<\/td>\n<td>\u9ad8<\/td>\n<td>\u4e2d<\/td>\n<td>\u2605\u2605\u2605\u2605\u2606<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<li>\n<p><strong>\u63a8\u8350\u67b6\u6784<\/strong>\uff1a<\/p>\n<pre><code class=\"line-numbers\">\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n\u2502   UI\u5c42        \u2502\u2190Flutter\/Dart\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502 \u4e1a\u52a1\u903b\u8f91\u5c42     \u2502\u2190Rust\uff08FFI\u8de8\u5e73\u53f0\u6838\u5fc3\uff09\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524\n\u2502 \u786c\u4ef6\u4ea4\u4e92\u5c42     \u2502\u2190C\/C++\uff08\u5e73\u53f0\u7279\u5b9a\u9a71\u52a8\uff09\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>\u4e09\u3001\u5173\u952e\u6280\u672f\u5b9e\u73b0\u8def\u5f84<\/strong><\/h3>\n<h4><strong>\u8def\u5f841\uff1a\u5168\u4e91\u7aef\u5feb\u901f\u5b9e\u73b0\u65b9\u6848<\/strong><\/h4>\n<ol>\n<li>\u4f7f\u7528Azure Speech SDK\u5b9e\u73b0\u8bed\u97f3\u8bc6\u522b\n<pre><code class=\"language-csharp line-numbers\">\/\/ C#\u793a\u4f8b\u4ee3\u7801\nvar config = SpeechConfig.FromSubscription(\"KEY\", \"REGION\");\nusing var recognizer = new SpeechRecognizer(config);\nrecognizer.Recognized += (s, e) =&gt; {\n   if (e.Result.Reason == ResultReason.RecognizedSpeech) {\n       SendToAIProcessing(e.Result.Text);\n   }\n};\n<\/code><\/pre>\n<\/li>\n<li>\u5bf9\u63a5GPT-3.5\/4\u8fdb\u884c\u6587\u672c\u5904\u7406<\/li>\n<li>\u5f00\u53d1Electron\u5ba2\u6237\u7aef\u5c01\u88c5\u529f\u80fd<\/li>\n<\/ol>\n<p>&#8211; <strong>\u4f18\u52bf<\/strong>\uff1a2\u5468\u5185\u53ef\u51fa\u539f\u578b<br \/>\n&#8211; <strong>\u6210\u672c<\/strong>\uff1a<span class=\"katex math inline\">0.006\/\u5206\u949f\uff08\u8bed\u97f3\uff09+<\/span>0.002\/1k tokens\uff08\u6587\u672c\uff09<\/p>\n<h4><strong>\u8def\u5f842\uff1a\u672c\u5730\u5316\u9ad8\u9690\u79c1\u65b9\u6848<\/strong><\/h4>\n<ol>\n<li>\u90e8\u7f72Vosk\u672c\u5730\u8bed\u97f3\u8bc6\u522b\uff1a\n<pre><code class=\"language-bash line-numbers\"># \u4e0b\u8f7d\u4e2d\u6587\u6a21\u578b\nwget https:\/\/alphacephei.com\/vosk\/models\/vosk-model-cn-0.22.zip\n<\/code><\/pre>\n<pre><code class=\"language-python line-numbers\">from vosk import Model, KaldiRecognizer\nmodel = Model(\"model_cn\")\nrec = KaldiRecognizer(model, 16000)\nwhile chunk := audio_stream.read(4000):\n   if rec.AcceptWaveform(chunk):\n       print(rec.Result())\n<\/code><\/pre>\n<\/li>\n<li>\u4f7f\u7528ONNX Runtime\u90e8\u7f72MiniLM\u6587\u672c\u5904\u7406\u6a21\u578b<\/li>\n<li>Rust\u5f00\u53d1\u6838\u5fc3\u97f3\u9891\u6a21\u5757<\/li>\n<\/ol>\n<p>&#8211; <strong>\u4f18\u52bf<\/strong>\uff1a\u5b8c\u5168\u79bb\u7ebf\uff0c\u6570\u636e\u5b89\u5168<br \/>\n&#8211; <strong>\u6311\u6218<\/strong>\uff1a\u9700\u8981\u4f18\u5316\u6a21\u578b\u5927\u5c0f\uff08\u5efa\u8bae\u91cf\u5316\u5230&lt;200MB\uff09<\/p>\n<h4><strong>\u8def\u5f843\uff1a\u6df7\u5408\u8fb9\u7f18\u8ba1\u7b97\u65b9\u6848<\/strong><\/h4>\n<ol>\n<li>\u4f7f\u7528WebRTC\u6280\u672f\u5efa\u7acbP2P\u97f3\u9891\u901a\u9053<\/li>\n<li>\u5728\u672c\u5730\u7f51\u5173\u90e8\u7f72NVIDIA Jetson\u8fd0\u884c\u8bed\u97f3\u8bc6\u522b<\/li>\n<li>\u654f\u611f\u4fe1\u606f\u672c\u5730\u5904\u7406\uff0c\u975e\u654f\u611f\u6570\u636e\u4e0a\u4f20\u4e91\u7aef<\/li>\n<\/ol>\n<p>&#8211; \u786c\u4ef6\u8981\u6c42\uff1aJetson Nano\u4ee5\u4e0a\u8bbe\u5907<br \/>\n&#8211; \u5ef6\u8fdf\u8868\u73b0\uff1a\u7aef\u5230\u7aef&lt;300ms<\/p>\n<hr \/>\n<h3><strong>\u56db\u3001\u6027\u80fd\u4f18\u5316\u5173\u952e\u70b9<\/strong><\/h3>\n<ol>\n<li><strong>\u97f3\u9891\u5904\u7406\u4f18\u5316<\/strong>\uff1a\n<ul>\n<li>\u56de\u58f0\u6d88\u9664\uff1aWebRTC AEC3\u7b97\u6cd5\u96c6\u6210<\/li>\n<li>\u566a\u58f0\u6291\u5236\uff1aRNNoise\u6df1\u5ea6\u5b66\u4e60\u964d\u566a<\/li>\n<li>\u81ea\u52a8\u589e\u76ca\u63a7\u5236\uff08AGC\uff09<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5ef6\u8fdf\u4f18\u5316\u7b56\u7565<\/strong>\uff1a\n<ul>\n<li>\u91c7\u7528WebSocket\u53cc\u901a\u9053\u4f20\u8f93\uff08\u97f3\u9891\u6d41\u4e0e\u6587\u5b57\u6d41\u5206\u79bb\uff09<\/li>\n<li>\u9884\u52a0\u8f7d\u8bed\u8a00\u6a21\u578b\u70ed\u8bcd\u8868<\/li>\n<li>\u5b9e\u73b0\u6d41\u5f0f\u8bc6\u522b\uff08chunk\u5927\u5c0f\u4f18\u5316\u4e3a500ms\u95f4\u9694\uff09<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u591a\u5e73\u53f0\u9002\u914d\u96be\u70b9<\/strong>\uff1a<br \/>\n<table>\n<thead>\n<tr>\n<th>\u5e73\u53f0<\/th>\n<th>\u97f3\u9891\u91c7\u96c6\u7279\u6027<\/th>\n<th>\u9a71\u52a8\u8981\u6c42<\/th>\n<th>\u5efa\u8bae\u65b9\u6848<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Windows<\/td>\n<td>WASAPI\u72ec\u5360\u6a21\u5f0f<\/td>\n<td>\u9700\u7b7e\u540d\u9a71\u52a8<\/td>\n<td>\u4f18\u5148\u4f7f\u7528UAC2\u534f\u8bae<\/td>\n<\/tr>\n<tr>\n<td>macOS<\/td>\n<td>Core Audio\u805a\u5408\u8bbe\u5907<\/td>\n<td>\u9700\u901a\u8fc7MFi\u8ba4\u8bc1<\/td>\n<td>\u4f7f\u7528AVFoundation\u6846\u67b6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ol>\n<hr \/>\n<h3><strong>\u4e94\u3001\u5546\u4e1a\u65b9\u6848\u9009\u62e9\u5efa\u8bae<\/strong><\/h3>\n<table>\n<thead>\n<tr>\n<th>\u8bc4\u4f30\u7ef4\u5ea6<\/th>\n<th>\u521d\u521b\u56e2\u961f<\/th>\n<th>\u4e2d\u578b\u4f01\u4e1a<\/th>\n<th>\u786c\u4ef6\u5382\u5546<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u63a8\u8350\u65b9\u6848<\/td>\n<td>\u4e91\u7aef\u65b9\u6848\uff08\u5feb\u901f\u4e0a\u5e02\uff09<\/td>\n<td>\u6df7\u5408\u65b9\u6848\uff08\u5e73\u8861\u6210\u672c\uff09<\/td>\n<td>\u672c\u5730\u65b9\u6848\uff08\u4ea7\u54c1\u5dee\u5f02\u5316\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5f00\u53d1\u5468\u671f<\/td>\n<td>2-4\u5468<\/td>\n<td>8-12\u5468<\/td>\n<td>16-24\u5468<\/td>\n<\/tr>\n<tr>\n<td>\u786c\u4ef6\u6210\u672c<\/td>\n<td>$0\uff08\u5229\u7528\u73b0\u6709\u8bbe\u5907\uff09<\/td>\n<td>$500\/\u8282\u70b9\uff08\u8fb9\u7f18\u8bbe\u5907\uff09<\/td>\n<td>$10k+\uff08\u5b9a\u5236\u82af\u7247\uff09<\/td>\n<\/tr>\n<tr>\n<td>\u5173\u952e\u6280\u672f<\/td>\n<td>API\u96c6\u6210<\/td>\n<td>\u5206\u5e03\u5f0f\u90e8\u7f72<\/td>\n<td>\u6a21\u578b\u91cf\u5316\/\u786c\u4ef6\u52a0\u901f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr 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