So late , we had this uncanny problem with one of ourYouTube videos(it ’s fixed now ) . The audio recording on YouTube played on stereo speaker twist like laptops , smartphones , headphones , and phone . However , it would just go dumb on mono speaker gadget .
Finally , we were capable to troubleshoot and fix the issue . Do n’t worry if you are in the same shoes as the fix is super easy . But understanding the problem is a second tricky .
Table of Contents
Stereo vs Mono Audio
If you are in a haste , you’re able to directly leap tothe tone below . However , I would recommend translate a bit about stereo and mono audio frequency for a better understanding of the job .
Theoretically , mono audio frequency has 1 audio channel while stereo sound recording has 2 audio channels i.e. left-hand and Right epithelial duct . loosely , you demand only 1 speaker system and 1 microphone to listen and criminal record mono audio but for stereophonic audio , you need 2 verbaliser and 2 microphones .
That ’s why when you are register or editing telecasting , you would see that mono audio recording has only 1 audio waveform whereas stereoscopic picture has 2 audio recording waveforms . These 2 audio wave form are for the leftover and right Speaker .
broadly , most of us platter audio in mono modal value . And when you drop in your audio transcription , the picture redaction software program splits it into two-channel . This makes the audio playable on both mono as well as stereo speakers .
In our case , an audio portion of the television was glitched during the conversion process . Our telecasting redaction software convert the mono audio recording to stereoscopic photograph but reverse one of the waveforms . So , the unexpended audio waveform was the inverse of the right audio waveform . This is also know as anout - of - phasewaveform .
Hence , when the audio is run on stereo machine , it toy dead fine . But , when you play it on mono devices , the leftover and proper channels are clubbed . And since the audio waveform are out - of - stage , they cancel out each other . Hence on mono devices , there is no audio in the clip .
The easiest way to get this is by usingaudio editing software program . For this example , I am using audaciousness . If you are using a different audio editing software , the options might differ . All you have to do is invert one of the audio wave form and that ’s it .
Detecting the Problem
Now that we have the theoretical explanation out of the direction . Here ’s how you’re able to detect the job with your audio clip in Audacity . Foremost , spread out the audio single file in temerity . In case you do n’t have audaciousness , you could download it fromthe prescribed website .
Once you have your audio recording import in audaciousness , you’re able to zoom in on the audio waveform . As you may see in the below screenshot , both the audio waveforms are out - of - phase . Next , wager the audio file by pressing the space barroom . If you could hear it , your audio is in the stereo modem as of now .
so as to reduplicate this audio on mono devices , tap the dropdown bill of fare at the top - correct quoin , and selectSplit Stereo to Mono option . Next , tally the place streak to play the audio racecourse and see if you’re able to hear any sound .
In case you want to go back to Stereo mode , blue-ribbon Make Stereo Trackfrom the same dropdown computer menu .
Now , if the audio Indian file is hearable in stereophonic mode but not in mono mode , we are guide in the correct direction . lease ’s go to the next step and fix it .
How to Fix the Audio
1.Export the audio file from your television .
2.launch the audio file in Audacity . Once done , press the dropdown bill of fare at the top - right street corner and select theSplit Stereo Track option .
3 . Next , select one of the audio tracks by clicking on the left-hand side of the audio waveform .
4 . Once the audio wave is pick out , go toEffectat the top menu bar and fall into place onInvert . This will invert your sound wave form .
You will mark that both your audio waveforms have the same social organization now . you’re able to test it by listening to the audio frequency in mono as well as two-channel mode from the drop - down menu .
Closing Words: Fix YouTube Videos With No Sound
This is how you solve the stereo vs mono audio channel problem . I would urge that you find an honest-to-goodness smartphone or laptop that has a mono speaker and hear to your audio recording once before uploading .
I am still not able to replicate the same job again but it seems to be a Final Cut Pro bug . get me know on Twitter if you’re able to figure out the lawsuit of the problem .
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