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--- tags: hackathon, 提案, UX --- # Google Meet 作為簡報投影 destination ## Why - 上次成果報告的時候自己當了一次主持人,發現用講台電腦流程上很卡 - 到 Google Sheet 提案列表滑到後面(而且縮放比例很大,所以要難操作XD) - 找到簡報連結,點開,打開之後要跑一陣子,又要點「全螢幕顯示」按鈕 - 換下一個人的時候,要關掉 tab,再回到提案列表找下一個簡報連結,重複到最開始的狀況 - 以上這些操作為了避免 presenter 不熟悉電腦操作,主持人操作比較保險,但理論上要串場的主持人此時就無法好好串場QQ 而且這個操作浪費蠻多時間,如果講者自己不熟悉切換也非常容易 fail - 但又不能 fallback 到接 HDMI 或 3.5 音源線,因為不同設備可能會有設備問題,加上切換 OS 的音源輸出或 screen mirror settings 更浪費時間,所以當初才用講台電腦作為顯示的 destination - 還有辦法優化換場方式嗎? ## Solution - 去 OpenAI 開會發現一個很聰明的方式,他們會讓投影機直接輸出 Google Meet 通話 - 投影簡報的講者不用 HDMI 拔來拔去,只要直接用筆電分享畫面到 Google Meet 通話就好,流程上順非常多 - 就算需要輸出音訊,只要用在加入通話前選「Present Now」按鈕選擇 Chrome 分頁標籤就可以順利分享音訊 - Paul 已經跟任翔雙邊測試過了,PC and Mac 都 work ## Benefits - 換場流程就是順 - 演講者可以直接用自己的裝置,操作熟悉 - 直播可以直接透過 Google Meet 畫面轉播超清楚的投影片畫面 - 中研院的無線網路蠻穩的,講台電腦印象中也有接實體網路線? ## How does it work ### To projector - 講台電腦專門連接投影機,登入開 google meet - 用 chromium based browser 可能比較穩定 - 記得開該次 Google Meet 管理權限給主持人自己的 Google 帳號 - 需將預設加入會議室的所有音訊和視訊輸入 disable,只留講者有權限 ### To presenter - 主持人要把 Google Meet 連結用 Slack 傳給演講者,讓他可以直接用自己的裝置進 Google meet 聊天室 - 或藏在提案列表裡 #### 若需要分享音訊有三點限制 - 只能用 chromium based browser 才能分享音訊 - 只能點選「present now」而不是「companion mode」(華語好像叫做夥伴模式?) - 只有分享分頁才能分享音訊 - 分享整個 screen 或單個 app 都不行 - 如果要分享 app 的聲音,只能拿麥克風督 ## Requirements - 有無限制通話時數的 Google 帳號來開 Meet 通話(其實超過一小時的帳號就可以啦) ## fallback - 拉 HDMI 和音源線,主持人還是要在舞台旁待命,如果 google meet 爆掉或網路斷線可以直接把本來連接投影機的講台電腦 HDMI 拉到講者 device ## potential downside - 如果需要透過 chromium browser tab 以外的程式放聲音,只能緊急接 3.5 mm headphone jack 或拿麥克風督筆電喇叭 - 但預錄影片還是得用講台電腦播QQ - 如果演講者沒有自備筆電,只能繼續用講台電腦操作 ## trivia - (optional)或許可以直接用 Google TV or chromecast 裝置 - 是不是應該要在提案列表上新增一個欄位問有沒有需要播放音訊?

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