[{"data":1,"prerenderedAt":1317},["ShallowReactive",2],{"guide-video-merge":3,"related-video-merge":211},{"id":4,"title":5,"body":6,"category":189,"description":190,"extension":191,"keywords":192,"meta":198,"navigation":199,"path":200,"readingTime":201,"relatedTools":202,"seo":206,"stem":207,"type":208,"updatedAt":209,"__hash__":210},"guides\u002Fhelp\u002Fguides\u002Fvideo-merge.md","视频合并使用指南：将多个视频合并为一个",{"type":7,"value":8,"toc":171},"minimark",[9,13,17,52,55,81,84,88,99,102,113,116,124,127,131,134,138,141,145,148,151],[10,11,12],"p",{},"视频合并是将多个短视频片段按顺序拼接为一个完整视频的常见需求。本指南介绍如何使用91AI工具的视频合并功能。",[14,15,16],"h2",{"id":16},"功能特点",[18,19,20,28,34,40,46],"ul",{},[21,22,23,27],"li",{},[24,25,26],"strong",{},"多格式支持","：MP4、AVI、MKV、MOV、WMV、FLV、WebM等",[21,29,30,33],{},[24,31,32],{},"批量上传","：同时上传多个视频文件",[21,35,36,39],{},[24,37,38],{},"顺序调整","：拖拽调整视频播放顺序",[21,41,42,45],{},[24,43,44],{},"无损合并","：保持原始视频质量",[21,47,48,51],{},[24,49,50],{},"服务端处理","：支持较大文件",[14,53,54],{"id":54},"使用步骤",[56,57,58,66,69,72,75,78],"ol",{},[21,59,60,61],{},"打开",[62,63,65],"a",{"href":64},"\u002Ftools\u002Fvideo-merge","视频合并工具",[21,67,68],{},"上传需要合并的视频文件（支持多选）",[21,70,71],{},"按播放顺序排列视频（拖拽调整）",[21,73,74],{},"点击开始合并",[21,76,77],{},"等待服务端处理完成",[21,79,80],{},"下载合并后的视频文件",[14,82,83],{"id":83},"合并注意事项",[85,86,87],"h3",{"id":87},"格式一致性",[18,89,90,93,96],{},[21,91,92],{},"建议所有视频使用相同的编码格式",[21,94,95],{},"不同格式的视频合并时，系统会自动统一编码",[21,97,98],{},"统一编码会重新编码视频，可能需要更长时间",[85,100,101],{"id":101},"分辨率匹配",[18,103,104,107,110],{},[21,105,106],{},"相同分辨率的视频合并效果最佳",[21,108,109],{},"分辨率不同的视频合并时，会统一为最高分辨率",[21,111,112],{},"建议提前使用视频转换工具统一参数",[85,114,115],{"id":115},"音频一致性",[18,117,118,121],{},[21,119,120],{},"所有视频的音频参数最好一致",[21,122,123],{},"部分视频无声时，系统会自动处理静音段",[14,125,126],{"id":126},"常见问题",[85,128,130],{"id":129},"q1-最多可以合并多少个视频","Q1: 最多可以合并多少个视频？",[10,132,133],{},"没有严格数量限制，但建议每次不超过20个，总时长不超过2小时。",[85,135,137],{"id":136},"q2-合并后画质会下降吗","Q2: 合并后画质会下降吗？",[10,139,140],{},"相同格式和参数的视频合并不会损失画质。不同参数的视频合并时会进行重新编码，可能会有轻微画质损失。",[85,142,144],{"id":143},"q3-合并失败怎么办","Q3: 合并失败怎么办？",[10,146,147],{},"检查视频文件是否损坏，尝试转换所有视频为相同格式后再合并。",[14,149,150],{"id":150},"相关工具",[18,152,153,162],{},[21,154,155,161],{},[24,156,157],{},[62,158,160],{"href":159},"\u002Ftools\u002Fvideo-cut","视频剪辑"," - 裁剪视频片段",[21,163,164,170],{},[24,165,166],{},[62,167,169],{"href":168},"\u002Ftools\u002Fvideo-convert","视频格式转换"," - 转换视频格式",{"title":172,"searchDepth":173,"depth":173,"links":174},"",2,[175,176,177,183,188],{"id":16,"depth":173,"text":16},{"id":54,"depth":173,"text":54},{"id":83,"depth":173,"text":83,"children":178},[179,181,182],{"id":87,"depth":180,"text":87},3,{"id":101,"depth":180,"text":101},{"id":115,"depth":180,"text":115},{"id":126,"depth":173,"text":126,"children":184},[185,186,187],{"id":129,"depth":180,"text":130},{"id":136,"depth":180,"text":137},{"id":143,"depth":180,"text":144},{"id":150,"depth":173,"text":150},"media","免费在线视频合并工具使用指南，支持MP4、AVI、MKV、MOV等格式，将多个视频文件按顺序合并为一个视频文件。服务器端处理，支持批量上传。","md",[193,194,195,196,197],"视频合并","合并视频","视频拼接","MP4合并","视频编辑",{},true,"\u002Fhelp\u002Fguides\u002Fvideo-merge",4,[203,204,205],"video-merge","video-cut","video-convert",{"title":5,"description":190},"help\u002Fguides\u002Fvideo-merge","guide","2026-07-03","mw-26lhv9Q2T1bJpO_hFy5R6friKxZOezbQv2OHUAWE",[212,716,1035],{"id":213,"title":214,"body":215,"category":189,"description":698,"extension":191,"keywords":699,"meta":705,"navigation":199,"path":706,"readingTime":707,"relatedTools":708,"seo":712,"stem":713,"type":208,"updatedAt":714,"__hash__":715},"guides\u002Fhelp\u002Fguides\u002Faudio-compress.md","音频压缩使用指南：在线减小音频文件大小",{"type":7,"value":216,"toc":674},[217,220,224,227,277,281,285,293,299,310,315,320,324,329,340,345,356,361,372,376,381,392,397,408,412,415,429,434,445,449,452,455,458,520,523,527,538,542,553,557,568,570,574,585,589,595,599,602,606,609,611,639,642,645,671],[10,218,219],{},"音频文件过大是日常工作中的常见困扰。据IDC报告，全球音频数据量以每年30%的速度增长，2025年音频文件占据个人存储空间的25%以上。本指南详细介绍如何使用91AI工具在线压缩音频文件。",[14,221,223],{"id":222},"为什么需要压缩音频","为什么需要压缩音频？",[85,225,226],{"id":226},"常见需求",[56,228,229,245,261],{},[21,230,231,234],{},[24,232,233],{},"邮件发送",[18,235,236,239,242],{},[21,237,238],{},"附件大小限制",[21,240,241],{},"快速发送接收",[21,243,244],{},"不占用邮箱空间",[21,246,247,250],{},[24,248,249],{},"存储管理",[18,251,252,255,258],{},[21,253,254],{},"减少硬盘占用",[21,256,257],{},"备份速度更快",[21,259,260],{},"手机存储优化",[21,262,263,266],{},[24,264,265],{},"社交分享",[18,267,268,271,274],{},[21,269,270],{},"平台上传限制",[21,272,273],{},"加快上传速度",[21,275,276],{},"节省流量",[14,278,280],{"id":279},"使用91ai压缩音频","使用91AI压缩音频",[85,282,284],{"id":283},"第一步上传音频文件","第一步：上传音频文件",[10,286,287,288,292],{},"打开 ",[62,289,291],{"href":290},"\u002Ftools\u002Faudio-compress","91AI 音频压缩工具","。",[10,294,295,298],{},[24,296,297],{},"支持格式","：",[18,300,301,304,307],{},[21,302,303],{},"MP3、WAV、AAC",[21,305,306],{},"FLAC、OGG、WMA",[21,308,309],{},"M4A等常见音频格式",[10,311,312,298],{},[24,313,314],{},"文件大小",[18,316,317],{},[21,318,319],{},"最大支持300MB",[85,321,323],{"id":322},"第二步选择压缩强度","第二步：选择压缩强度",[10,325,326,298],{},[24,327,328],{},"低压缩",[18,330,331,334,337],{},[21,332,333],{},"保留约80%体积",[21,335,336],{},"音质几乎无损失",[21,338,339],{},"适合高质量存档",[10,341,342,298],{},[24,343,344],{},"中压缩（推荐）",[18,346,347,350,353],{},[21,348,349],{},"保留约50%体积",[21,351,352],{},"音质可接受",[21,354,355],{},"日常使用首选",[10,357,358,298],{},[24,359,360],{},"高压缩",[18,362,363,366,369],{},[21,364,365],{},"保留约25%体积",[21,367,368],{},"适合语音内容",[21,370,371],{},"大幅减小文件",[85,373,375],{"id":374},"第三步选择输出格式","第三步：选择输出格式",[10,377,378,298],{},[24,379,380],{},"MP3（推荐）",[18,382,383,386,389],{},[21,384,385],{},"兼容性最好",[21,387,388],{},"压缩效率高",[21,390,391],{},"通用格式",[10,393,394,298],{},[24,395,396],{},"WAV",[18,398,399,402,405],{},[21,400,401],{},"无损格式",[21,403,404],{},"文件相对较大",[21,406,407],{},"适合专业场景",[85,409,411],{"id":410},"第四步开始压缩","第四步：开始压缩",[10,413,414],{},"点击\"压缩\"按钮，系统会：",[56,416,417,420,423,426],{},[21,418,419],{},"分析音频内容",[21,421,422],{},"应用压缩算法",[21,424,425],{},"调整比特率参数",[21,427,428],{},"生成压缩文件",[10,430,431,298],{},[24,432,433],{},"处理时间",[18,435,436,439,442],{},[21,437,438],{},"3分钟歌曲：10-20秒",[21,440,441],{},"30分钟播客：30-60秒",[21,443,444],{},"与音频长度相关",[85,446,448],{"id":447},"第五步下载结果","第五步：下载结果",[10,450,451],{},"查看压缩前后的大小对比，下载压缩后的音频文件。",[14,453,454],{"id":454},"压缩效果参考",[85,456,457],{"id":457},"典型压缩率",[459,460,461,478],"table",{},[462,463,464],"thead",{},[465,466,467,471,473,476],"tr",{},[468,469,470],"th",{},"原文件",[468,472,328],{},[468,474,475],{},"中压缩",[468,477,360],{},[479,480,481,496,508],"tbody",{},[465,482,483,487,490,493],{},[484,485,486],"td",{},"50MB",[484,488,489],{},"40MB",[484,491,492],{},"25MB",[484,494,495],{},"12MB",[465,497,498,501,504,506],{},[484,499,500],{},"100MB",[484,502,503],{},"80MB",[484,505,486],{},[484,507,492],{},[465,509,510,513,516,518],{},[484,511,512],{},"200MB",[484,514,515],{},"160MB",[484,517,500],{},[484,519,486],{},[85,521,522],{"id":522},"音质对比",[10,524,525,298],{},[24,526,328],{},[18,528,529,532,535],{},[21,530,531],{},"听觉上无差异",[21,533,534],{},"适合音乐欣赏",[21,536,537],{},"文件减小有限",[10,539,540,298],{},[24,541,475],{},[18,543,544,547,550],{},[21,545,546],{},"细微音质变化",[21,548,549],{},"日常听感可接受",[21,551,552],{},"推荐平衡点",[10,554,555,298],{},[24,556,360],{},[18,558,559,562,565],{},[21,560,561],{},"明显音质下降",[21,563,564],{},"适合语音播客",[21,566,567],{},"文件大幅减小",[14,569,126],{"id":126},[85,571,573],{"id":572},"q1-压缩后音质太差","Q1: 压缩后音质太差？",[10,575,576,579,580,584],{},[24,577,578],{},"解决","：选择低压缩强度。或先",[62,581,583],{"href":582},"\u002Ftools\u002Faudio-convert","转换音频格式","再压缩，尝试更高的比特率设置。",[85,586,588],{"id":587},"q2-压缩后文件还是太大","Q2: 压缩后文件还是太大？",[10,590,591,594],{},[24,592,593],{},"建议","：选择高压缩模式。将输出格式设为MP3。或分割音频文件后分段处理。",[85,596,598],{"id":597},"q3-支持批量压缩吗","Q3: 支持批量压缩吗？",[10,600,601],{},"当前支持单文件处理，可逐个文件操作。后续版本将支持批量处理功能。",[85,603,605],{"id":604},"q4-音频压缩安全吗","Q4: 音频压缩安全吗？",[10,607,608],{},"文件仅在浏览器本地处理，不上传服务器，充分保护您的隐私安全。",[14,610,150],{"id":150},[18,612,613,621,630],{},[21,614,615,620],{},[24,616,617],{},[62,618,619],{"href":582},"音频格式转换"," - 转换音频格式",[21,622,623,629],{},[24,624,625],{},[62,626,628],{"href":627},"\u002Ftools\u002Faudio-extract","视频转音频"," - 从视频提取音频",[21,631,632,638],{},[24,633,634],{},[62,635,637],{"href":636},"\u002Ftools\u002Fvideo-compress","视频压缩"," - 压缩视频文件",[14,640,641],{"id":641},"总结",[10,643,644],{},"音频压缩是管理音频文件的有效方式：",[56,646,647,653,659,665],{},[21,648,649,652],{},[24,650,651],{},"选择强度","：平衡大小和音质",[21,654,655,658],{},[24,656,657],{},"选择格式","：MP3最通用",[21,660,661,664],{},[24,662,663],{},"执行压缩","：一键完成",[21,666,667,670],{},[24,668,669],{},"检查结果","：确认满足需求",[10,672,673],{},"合理压缩音频文件，轻松分享和存储您的音频内容。",{"title":172,"searchDepth":173,"depth":173,"links":675},[676,679,686,690,696,697],{"id":222,"depth":173,"text":223,"children":677},[678],{"id":226,"depth":180,"text":226},{"id":279,"depth":173,"text":280,"children":680},[681,682,683,684,685],{"id":283,"depth":180,"text":284},{"id":322,"depth":180,"text":323},{"id":374,"depth":180,"text":375},{"id":410,"depth":180,"text":411},{"id":447,"depth":180,"text":448},{"id":454,"depth":173,"text":454,"children":687},[688,689],{"id":457,"depth":180,"text":457},{"id":522,"depth":180,"text":522},{"id":126,"depth":173,"text":126,"children":691},[692,693,694,695],{"id":572,"depth":180,"text":573},{"id":587,"depth":180,"text":588},{"id":597,"depth":180,"text":598},{"id":604,"depth":180,"text":605},{"id":150,"depth":173,"text":150},{"id":641,"depth":173,"text":641},"免费在线音频压缩工具，支持MP3和WAV输出格式。提供多档压缩强度，通过降低比特率和优化编码参数在保持音质的同时大幅减小音频文件体积。",[700,701,702,703,704],"音频压缩","压缩MP3","减小音频大小","音频文件压缩","在线压缩音频",{},"\u002Fhelp\u002Fguides\u002Faudio-compress",5,[709,710,711],"audio-compress","audio-convert","video-compress",{"title":214,"description":698},"help\u002Fguides\u002Faudio-compress","2026-05-10","KPg-TGnIGi1jLlR5Mgp67ZcW9K4P0ntm5f8gcSuShTs",{"id":717,"title":718,"body":719,"category":189,"description":1018,"extension":191,"keywords":1019,"meta":1026,"navigation":199,"path":1027,"readingTime":707,"relatedTools":1028,"seo":1031,"stem":1032,"type":208,"updatedAt":1033,"__hash__":1034},"guides\u002Fhelp\u002Fguides\u002Faudio-cut.md","音频裁剪使用指南：在线截取音频片段",{"type":7,"value":720,"toc":996},[721,724,727,730,733,736,739,742,745,748,751,754,757,829,831,835,838,841,845,848,854,859,867,873,877,882,887,890,909,911,915,921,925,928,932,935,937,962,964,967,993],[10,722,723],{},"音频裁剪是从完整音频中提取指定片段的常见操作。91AI 音频裁剪工具采用双模式设计：本地模式纯浏览器处理，不上传服务器；服务端模式基于 FFmpeg 引擎，支持多种格式输出。",[14,725,726],{"id":726},"使用场景",[85,728,729],{"id":729},"剪辑音乐副歌片段",[10,731,732],{},"从完整歌曲中截取最精彩的副歌部分作为手机铃声或短视频背景音乐，精确控制开始和结束时间。",[85,734,735],{"id":735},"提取播客精彩片段",[10,737,738],{},"从长篇播客或访谈中截取某个话题讨论片段，方便单独分享或做摘要。",[85,740,741],{"id":741},"语音素材预处理",[10,743,744],{},"从长录音中裁剪出需要的语音片段，作为语音合成训练素材或音频样本。",[85,746,747],{"id":747},"去除非必要语音内容",[10,749,750],{},"去掉课堂录音或会议录音开头结尾的静音和寒暄部分，只保留核心内容方便回听。",[14,752,753],{"id":753},"选择裁剪模式",[10,755,756],{},"91AI 音频裁剪提供两种模式，可根据需求切换：",[459,758,759,772],{},[462,760,761],{},[465,762,763,766,769],{},[468,764,765],{},"特性",[468,767,768],{},"本地模式",[468,770,771],{},"服务端模式",[479,773,774,785,796,807,818],{},[465,775,776,779,782],{},[484,777,778],{},"处理方式",[484,780,781],{},"浏览器 Web Audio API",[484,783,784],{},"服务器 FFmpeg",[465,786,787,790,793],{},[484,788,789],{},"数据上传",[484,791,792],{},"不上传，隐私安全",[484,794,795],{},"上传至服务器处理",[465,797,798,801,804],{},[484,799,800],{},"输出格式",[484,802,803],{},"仅 WAV",[484,805,806],{},"MP3\u002FWAV\u002FM4A\u002FFLAC\u002FOGG",[465,808,809,812,815],{},[484,810,811],{},"是否需要登录",[484,813,814],{},"不需要",[484,816,817],{},"需要微信扫码",[465,819,820,823,826],{},[484,821,822],{},"文件大小限制",[484,824,825],{},"受浏览器内存限制",[484,827,828],{},"单文件最长 3 小时",[14,830,54],{"id":54},[85,832,834],{"id":833},"_1-上传音频文件","1. 上传音频文件",[10,836,837],{},"点击上传区域或将音频文件拖拽到窗口。支持 MP3、WAV、FLAC、OGG、M4A、AAC、WMA、Opus 等常见音频格式。",[10,839,840],{},"上传后会自动读取音频时长，并显示内置音频播放器。",[85,842,844],{"id":843},"_2-选择裁剪范围","2. 选择裁剪范围",[10,846,847],{},"您可以通过以下方式精确设置裁剪的起始和结束时间：",[10,849,850,853],{},[24,851,852],{},"视觉裁剪条","：可视化裁剪条显示音频的时间轴，两端标记为裁剪起点和终点。点击裁剪条可跳转到对应位置，悬停可查看时间点。",[10,855,856,298],{},[24,857,858],{},"快捷按钮",[18,860,861,864],{},[21,862,863],{},"「设当前」— 将播放器当前位置设为起点或终点",[21,865,866],{},"「+1s」\u002F「-1s」— 微调裁剪位置",[10,868,869,872],{},[24,870,871],{},"手动输入","：直接在输入框中输入开始和结束时间（秒），精确控制裁剪范围。",[85,874,876],{"id":875},"_3-执行裁剪","3. 执行裁剪",[10,878,879,881],{},[24,880,768],{},"：点击「开始剪切」，在浏览器中完成处理。处理后自动生成 WAV 格式文件，可直接下载。",[10,883,884,886],{},[24,885,771],{},"：点击「开始服务端剪切」，未登录会弹出微信扫码登录。登录后上传至服务器处理，完成后下载结果文件。可选的输出格式包括 MP3（默认）、WAV、M4A、FLAC、OGG。",[14,888,889],{"id":889},"注意事项",[18,891,892,895,903,906],{},[21,893,894],{},"本地模式仅支持 WAV 格式输出，由浏览器原生音频编码限制决定",[21,896,897,898,902],{},"服务端模式默认使用流复制（",[899,900,901],"code",{},"-c copy","）裁剪，音质无损；切换格式时会触发重编码",[21,904,905],{},"服务端模式需要登录账号，单文件最长处理 3 小时",[21,907,908],{},"裁剪范围不能超过音频实际时长",[14,910,126],{"id":126},[85,912,914],{"id":913},"q1-裁剪后的音频质量会下降吗","Q1: 裁剪后的音频质量会下降吗？",[10,916,917,918,920],{},"不会。服务端模式默认使用 FFmpeg 流复制（",[899,919,901],{},"）方式裁剪，不做重新编码，音频质量完全无损。仅当选择与源文件不同格式时才会重编码。",[85,922,924],{"id":923},"q2-如何精确裁剪到毫秒级","Q2: 如何精确裁剪到毫秒级？",[10,926,927],{},"支持输入浮点数秒数（如 1.5 表示 1.5 秒），可实现更精细的裁剪精度。",[85,929,931],{"id":930},"q3-本地模式和服务端模式有什么区别","Q3: 本地模式和服务端模式有什么区别？",[10,933,934],{},"本地模式纯浏览器处理，数据不上传，隐私安全，但仅输出 WAV 格式且受浏览器内存限制。服务端模式上传处理，支持多种输出格式，适合长音频和需要特定格式的场景。",[14,936,150],{"id":150},[18,938,939,948,955],{},[21,940,941,947],{},[24,942,943],{},[62,944,946],{"href":945},"\u002Ftools\u002Faudio-merge","音频合并"," — 将多个音频文件合并为一个",[21,949,950,954],{},[24,951,952],{},[62,953,619],{"href":582}," — 转换音频格式",[21,956,957,961],{},[24,958,959],{},[62,960,700],{"href":290}," — 压缩音频文件大小",[14,963,641],{"id":641},[10,965,966],{},"音频裁剪是日常音频处理中的基础操作，91AI 音频裁剪工具提供本地和服务端双模式：",[56,968,969,975,981,987],{},[21,970,971,974],{},[24,972,973],{},"上传音频","— 拖拽或点击选择",[21,976,977,980],{},[24,978,979],{},"设置范围","— 可视化裁剪条精确选择",[21,982,983,986],{},[24,984,985],{},"执行裁剪","— 一键完成",[21,988,989,992],{},[24,990,991],{},"下载结果","— 获取裁剪后的音频文件",[10,994,995],{},"根据隐私需求和输出格式要求灵活选择处理模式。",{"title":172,"searchDepth":173,"depth":173,"links":997},[998,1004,1005,1010,1011,1016,1017],{"id":726,"depth":173,"text":726,"children":999},[1000,1001,1002,1003],{"id":729,"depth":180,"text":729},{"id":735,"depth":180,"text":735},{"id":741,"depth":180,"text":741},{"id":747,"depth":180,"text":747},{"id":753,"depth":173,"text":753},{"id":54,"depth":173,"text":54,"children":1006},[1007,1008,1009],{"id":833,"depth":180,"text":834},{"id":843,"depth":180,"text":844},{"id":875,"depth":180,"text":876},{"id":889,"depth":173,"text":889},{"id":126,"depth":173,"text":126,"children":1012},[1013,1014,1015],{"id":913,"depth":180,"text":914},{"id":923,"depth":180,"text":924},{"id":930,"depth":180,"text":931},{"id":150,"depth":173,"text":150},{"id":641,"depth":173,"text":641},"免费在线音频裁剪工具，支持本地和服务端双模式。本地模式纯浏览器处理不上传服务器，服务端模式支持多种输出格式。通过音频播放器可视化选择裁剪范围，精确到秒级。",[1020,1021,1022,1023,1024,1025],"音频裁剪","音频截取","音频片段提取","在线切歌","音频切割工具","MP3裁剪",{},"\u002Fhelp\u002Fguides\u002Faudio-cut",[1029,1030,710],"audio-cut","audio-merge",{"title":718,"description":1018},"help\u002Fguides\u002Faudio-cut","2026-05-16","bWio5UrV8sYj-M5NfDjQHtQ02ApjXPZ5kdO1HviMDZI",{"id":1036,"title":1037,"body":1038,"category":189,"description":1304,"extension":191,"keywords":1305,"meta":1311,"navigation":199,"path":1312,"readingTime":707,"relatedTools":1313,"seo":1314,"stem":1315,"type":208,"updatedAt":1033,"__hash__":1316},"guides\u002Fhelp\u002Fguides\u002Faudio-merge.md","音频合并使用指南：在线拼接合并音频文件",{"type":7,"value":1039,"toc":1281},[1040,1043,1045,1048,1051,1054,1057,1060,1063,1066,1069,1072,1142,1144,1146,1148,1151,1155,1158,1161,1165,1170,1175,1179,1182,1184,1201,1203,1207,1210,1214,1217,1221,1224,1226,1248,1250,1253,1278],[10,1041,1042],{},"音频合并是将多个音频文件按顺序拼接为一个文件的操作。91AI 音频合并工具支持本地和服务端双模式，可根据需求灵活选择。",[14,1044,726],{"id":726},[85,1046,1047],{"id":1047},"合并课堂录音文件",[10,1049,1050],{},"将分段录制的课堂录音合并为一个完整的音频文件，方便复习时连续播放，无需手动切换。",[85,1052,1053],{"id":1053},"拼接播客节目",[10,1055,1056],{},"将录制的多个播客片段拼接成完整的播客节目，保持播放连贯性，便于发布和分享。",[85,1058,1059],{"id":1059},"组合有声书章节",[10,1061,1062],{},"将分散的有声书章节文件合并为完整的一册，方便在播放器中连续收听。",[85,1064,1065],{"id":1065},"合并会议录音片段",[10,1067,1068],{},"将会议中途暂停产生的多个录音文件合并为完整记录，便于存档和后期整理。",[14,1070,1071],{"id":1071},"选择合并模式",[459,1073,1074,1084],{},[462,1075,1076],{},[465,1077,1078,1080,1082],{},[468,1079,765],{},[468,1081,768],{},[468,1083,771],{},[479,1085,1086,1096,1104,1113,1121,1131],{},[465,1087,1088,1090,1093],{},[484,1089,778],{},[484,1091,1092],{},"浏览器 AudioContext 多轨拼接",[484,1094,1095],{},"服务器 FFmpeg filter_complex",[465,1097,1098,1100,1102],{},[484,1099,789],{},[484,1101,792],{},[484,1103,795],{},[465,1105,1106,1108,1110],{},[484,1107,800],{},[484,1109,803],{},[484,1111,1112],{},"MP3（默认）",[465,1114,1115,1117,1119],{},[484,1116,811],{},[484,1118,814],{},[484,1120,817],{},[465,1122,1123,1126,1129],{},[484,1124,1125],{},"文件数量",[484,1127,1128],{},"不限",[484,1130,1128],{},[465,1132,1133,1136,1139],{},[484,1134,1135],{},"格式兼容",[484,1137,1138],{},"同格式最佳",[484,1140,1141],{},"自动统一不同格式",[14,1143,54],{"id":54},[85,1145,834],{"id":833},[10,1147,837],{},[10,1149,1150],{},"您可以一次选择多个文件，也可以分批添加。上传区域内始终可继续添加更多文件。",[85,1152,1154],{"id":1153},"_2-调整文件顺序","2. 调整文件顺序",[10,1156,1157],{},"选择文件后，使用文件列表中的上下箭头调整每个文件的排列顺序。合并时将按照列表中的顺序依次拼接。",[10,1159,1160],{},"您也可以点击文件右侧的删除按钮移除不需要的文件。",[85,1162,1164],{"id":1163},"_3-执行合并","3. 执行合并",[10,1166,1167,1169],{},[24,1168,768],{},"：点击「开始合并」，在浏览器中解码所有音频文件并按顺序拼接。处理时间视文件数量和大小而定，完成后自动生成 WAV 格式文件。每个文件的解码进度会实时显示。",[10,1171,1172,1174],{},[24,1173,771],{},"：点击「开始服务端合并」，未登录会弹出微信扫码登录。登录后依次上传每个文件到服务器，然后提交合并任务。系统使用 FFmpeg filter_complex concat 滤镜自动统一不同格式、采样率、声道数的音频文件。完成后可下载 MP3 格式的合并结果。",[85,1176,1178],{"id":1177},"_4-下载结果","4. 下载结果",[10,1180,1181],{},"合并完成后点击「下载文件」保存结果。本地模式输出 WAV 格式，服务端模式输出 MP3 格式。",[14,1183,889],{"id":889},[18,1185,1186,1189,1192,1195,1198],{},[21,1187,1188],{},"本地模式仅支持 WAV 格式输出，由浏览器音频 API 限制决定",[21,1190,1191],{},"本地模式处理大文件时受浏览器内存限制，建议单次合并总时长不超过 2 小时",[21,1193,1194],{},"服务端模式会自动将不同格式的音频统一编码，确保合并连贯",[21,1196,1197],{},"服务端模式需要登录账号，所有文件上传完成后自动提交处理",[21,1199,1200],{},"本地模式纯浏览器处理，文件不上传服务器，隐私安全",[14,1202,126],{"id":126},[85,1204,1206],{"id":1205},"q1-不同格式的音频可以合并吗","Q1: 不同格式的音频可以合并吗？",[10,1208,1209],{},"可以。服务端模式下，FFmpeg 会自动对不同格式、采样率、声道数的音频进行统一规格处理。本地模式下建议使用同格式文件以获得最佳效果。",[85,1211,1213],{"id":1212},"q2-合并后的文件有多大","Q2: 合并后的文件有多大？",[10,1215,1216],{},"合并后的文件大小约为所有源文件大小之和。服务端模式默认输出 MP3 格式，在保证音质的同时有较好的压缩率。",[85,1218,1220],{"id":1219},"q3-最多可以合并多少个文件","Q3: 最多可以合并多少个文件？",[10,1222,1223],{},"不限数量。本地模式受浏览器内存限制，建议不超过 20 个文件或总时长不超过 2 小时。服务端模式可处理大量文件。",[14,1225,150],{"id":150},[18,1227,1228,1236,1242],{},[21,1229,1230,1235],{},[24,1231,1232],{},[62,1233,1020],{"href":1234},"\u002Ftools\u002Faudio-cut"," — 截取音频片段",[21,1237,1238,954],{},[24,1239,1240],{},[62,1241,619],{"href":582},[21,1243,1244,961],{},[24,1245,1246],{},[62,1247,700],{"href":290},[14,1249,641],{"id":641},[10,1251,1252],{},"91AI 音频合并工具提供便捷的双模式音频拼接体验：",[56,1254,1255,1261,1267,1273],{},[21,1256,1257,1260],{},[24,1258,1259],{},"上传文件"," — 添加一个或多个音频文件",[21,1262,1263,1266],{},[24,1264,1265],{},"调整顺序"," — 按需排列",[21,1268,1269,1272],{},[24,1270,1271],{},"执行合并"," — 一键完成",[21,1274,1275,1277],{},[24,1276,991],{}," — 获取合并后的完整音频",[10,1279,1280],{},"根据隐私需求和文件数量灵活选择处理模式。",{"title":172,"searchDepth":173,"depth":173,"links":1282},[1283,1289,1290,1296,1297,1302,1303],{"id":726,"depth":173,"text":726,"children":1284},[1285,1286,1287,1288],{"id":1047,"depth":180,"text":1047},{"id":1053,"depth":180,"text":1053},{"id":1059,"depth":180,"text":1059},{"id":1065,"depth":180,"text":1065},{"id":1071,"depth":173,"text":1071},{"id":54,"depth":173,"text":54,"children":1291},[1292,1293,1294,1295],{"id":833,"depth":180,"text":834},{"id":1153,"depth":180,"text":1154},{"id":1163,"depth":180,"text":1164},{"id":1177,"depth":180,"text":1178},{"id":889,"depth":173,"text":889},{"id":126,"depth":173,"text":126,"children":1298},[1299,1300,1301],{"id":1205,"depth":180,"text":1206},{"id":1212,"depth":180,"text":1213},{"id":1219,"depth":180,"text":1220},{"id":150,"depth":173,"text":150},{"id":641,"depth":173,"text":641},"免费在线音频合并工具，支持本地和服务端双模式。本地模式纯浏览器多轨拼接，不上传服务器；服务端模式基于 FFmpeg 引擎，支持不同格式音频混搭合并。",[946,1306,1307,1308,1309,1310],"音频拼接","MP3合并","音频文件合并","在线合并音频","音频连接",{},"\u002Fhelp\u002Fguides\u002Faudio-merge",[1030,1029,710],{"title":1037,"description":1304},"help\u002Fguides\u002Faudio-merge","-JFF78j7CEvJT6ZlRDBwHU42Wlr5fWy5o8T_apT_Mk4",1783044789406]