如何排除和修復 MP4 無聲音

Have you encountered watching a video when all of a sudden there’s no audio coming out? This problem roots from various reasons, but one is only certain: it's a common issue that can ruin our viewing experience. But fear not, because we've got you covered with a step-by-step guide on how to fix and troubleshoot MP4 no sound on Windows Media Player, Adobe Premiere, and OBS Recording. So, if you’re facing this issue right now, read the post to ease that problem.

一、MP4沒有聲音的原因

MP4沒有聲音的原因有很多，尤其是在Windows Media Player、OBS錄製和Adobe Premiere等各種媒體播放器上。以下是您檢查的原因。

Volume Settings

最簡單但經常被忽視的原因是設備或媒體播放器上的音量設定。用戶可能會忽略這一基本配置，從而導致在期望音訊播放時感到困惑。

Audio Codec Issues

當媒體播放器缺乏對 MP4 檔案中嵌入的特定音訊編解碼器的支援時，就會出現不相容性。音訊編解碼器對數位音訊訊號進行編碼和解碼；如果沒有匹配的編解碼器，播放器將無法正確解釋和再現聲音數據，從而導致 MP4 無聲音問題。

Corrupted or Damaged File

MP4 檔案可能會因損壞或損壞而缺少聲音。這可能是由於下載不完整、檔案傳輸期間出現錯誤或檔案系統內的問題造成的。這種損壞會破壞音訊資料的連貫性，導致音訊播放錯誤。

Audio Driver Issues

過時或故障的音訊驅動程式對聲音播放造成技術障礙。這些驅動程式和媒體播放器之間的相容性問題可能會中斷音訊訊號的處理和傳輸，從而導致 MP4 檔案中沒有聲音。

Hardware Issues

揚聲器、耳機或音效卡等硬體組件的實體或技術問題可能會導致聲音中斷。這些設備中的故障會阻礙音訊訊號的傳輸和再現，從而影響整體音訊體驗。

你有它。 MP4 沒有聲音的情況不會僅因特定或單一原因而發生，但無論這些原因為何，您都將在下一部分中了解如何解決此問題。

第 2 部分. 3 種修復無聲音的解決方案

以下是有關如何修復 Windows Media Player、OBS 錄製和 Adobe Premiere 中 MP4 無聲音的一般指南。

檢查設備上的音訊設置

MP4 沒有聲音的原因之一是音訊設定裝置上的音量被忽略、靜音。若要解決此問題，請按照下列步驟操作。

Step 1. Go to the Taskbar, right-click on the Volume icon, and select the Volume Setting.

Step 2. On the sound system, Slide to 100 the volume.

Step 3. If there’s a problem with the audio, scroll down, go to the Advanced, and troubleshoot it by clicking the Output devices. Meanwhile, click the Input device to troubleshoot the problem that has something to do with the audio input.

如果您的任何媒體播放器仍然沒有音訊輸出，請繼續下一個指南。

更新您的音訊驅動程式

音訊驅動程式在我們設備上任何媒體播放器的音訊播放中發揮著至關重要的作用。如上所述，過時的音訊播放器可能會導致不相容或技術障礙。因此，要更新您的音訊播放器，請按照下面的簡單指南進行操作。

Step 1. First, head on to the Windows and type in Device Manager. Once done, click Open.

Step 2. Right-click the Sound, Video, and Game Controllers, select the audio driver you have installed, and click on Update Driver. It will automatically search for updates.

使用視頻修復工具修復 MP4 視頻

如果更新音訊驅動程式並檢查音量設定未能解決音訊問題。下一個解決方案是修復 MP4 影片本身。大多數情況下，MP4 沒有聲音是由於下載不完整或資料遺失而導致視訊損壞。因此，使用 FVC Video Repair 等視訊修復工具可以幫助解決此問題。

FVC Video Repair is a powerful program that fixes broken or corrupted video. In this case, using this tool can fix the audio problem of an MP4 file. It will be playable on any media player, like the Windows Media Player, OBS Recording, and Adobe Premiere. To fix this problem, follow the steps below.

Step 1. First, Download FVC Video Repair on their official website and Install it.

Step 2. Next, add the MP4 that has no sound by clicking the Red Plus button. Also, click the Blue Plus button to add the sample MP4 file.

Step 3. Now, click the Repair button.

Step 4. Lastly, check if the file is successfully repaired by checking the audio to hear if there’s a sound by clicking the Preview button.

Step 5. When things are all set, it will automatically be saved and when it’s done, use your desired media player to play the video and check if the audio is fixed.

FVC Video Repair is indeed a great tool. It doesn’t only fix displays on videos but can also repair audio errors, like MP4 no sound in OBS recording, Windows Media Player, and Adobe Premiere, video black screen, and more.

三、MP4沒有聲音的常見問題解答

結論

While there are various reasons why MP4 has no sound, it’s also important to take note that there are ways to fix it. Fortunately, there is a versatile video repair tool that can also fix audio problems in videos whether you are using a Windows Media Player, OBS Recording, or Adobe Premiere. Use FVC Video Repair now and reclaim your interrupted viewing experience.