What Is The Audio Bitrate On Youtube
Converting Youtube videos to MP3 (or similar audio format) is a popular way to obtain music, and in that location are plenty of sites specifically for this purpose. The problem, notwithstanding, is that many people looking for "lossless" or "CD-quality" music are misled by what these converters are capable of.
If y'all aren't much of an audiophile, and you don't intendance nigh things similar MP3 bitrates, this article isn't for you – but if you're someone who frequently uses website converters to download "320kbps" MP3s from Youtube videos, read on to detect out why yous're wasting your time.
What Audio Bitrate does YouTube Stream In?
For starters, Youtube does not play sound at 320kbps, even on the highest video resolution. It does not come up even shut to 320kbps. Youtube uses 2 types of sound formats – AAC (wrapped in an MP4 container) or Opus in a WebM container.
For AAC, Youtube will play a maximum audio bitrate of around 126 kbps. For Opus, it can exist between 56 kbps and 165 kbps. This is regardless of the sound source format being uploaded because Youtube will automatically re-encode videos to use their format. And so even if you upload a video with 24/96 lossless sound, Youtube will convert it to 126 kbps AAC in an MP4 container.
Note: You can also try to manually decide the Bitrate of any audio file yourself.
One time a video reaches a sure amount of views and becomes "popular", Youtube will automatically re-encode a WebM/Opus version of the video, which can exist merely slightly higher in quality (156 vs 126 kbps). There are numerous ways to test this, just let's utilize a gratuitous online tool chosen "YouTube Video Info".
https://www.youtube.com/watch?v=_OSVhlGmUH4&t=19s
The video we volition utilize will be "[Lossless] Dire Straits – Money for Nil 24 Bit Audio 2K Video". This video was uploaded as an MKV merged with a lossless FLAC file, so it should sound amazing.
Now nosotros will run the video URL through the video info tool, and here is what we go (note the bitrates circled in red). A variable bitrate stream between 55 to 143 Kbps. We can practise this again in VLC, and inspect the codec while streaming the video.
Audio Source Matters, only Not Much
Despite its bitrate, that video actually sounded really expert. How come?
It had great source material, a lossless format from a main studio track. Of form, it is going to sound amend than a majority of videos out there that use horribly compressed MP3s every bit the audio source. So even if it is non being delivered to yous in pure lossless format, it still sounds better than the boilerplate music video on Youtube. Simply make no mistake that the original audio source is beingness compressed by YouTube.
At present that we're aware YouTube is compressing audio downwardly to 128 – 156 Kbps, you might inquire, what's the bespeak of converting YouTube videos to 320 Kbps MP3, like those sites offering "High-quality MP3 rips" from YouTube?
There isn't.
In fact, past converting a YouTube video to 320 Kbps MP3, yous are in fact damaging the audio quality. The conversion site volition rip the audio from the YouTube in its AAC / MP4 container, then re-convert it to a 320 Kbps MP3. Anytime you convert an sound file from 1 format to another, it gets compressed all over over again – and by "upsampling" a 128 Kbps source to 320 Kbps MP3, you are in fact merely calculation a bunch of useless data to the file which equates to useless groundwork racket.
Imagine it similar this – you accept some former VHS tapes laying around. You copy them to your computer and burn them to DVD. Do they magically become DVD-quality videos? Or, say you have a 500×500 image file, and y'all resize it to 5000×5000. Even though the file size increases, the image itself becomes blurry, right?
That is essentially what happens when you "convert" a YouTube video to a higher bitrate. If yous want to convert YouTube videos to audio files without hurting the audio quality, yous're better off converting to a lossless format, like WAV or FLAC. At least that way, the original YouTube video won't exist compressed during re-encoding.
Source: https://appuals.com/why-converting-youtube-to-320kbps-mp3-is-a-waste-of-time/#:~:text=Youtube%20uses%20two%20types%20of,56%20kbps%20and%20165%20kbps.
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