Music High Quality Download

[Angelique Syria]

Wheni upload it on freepbx and try to listen by phone, the quality is low (the music is not very clean and the words also are not clean)

Which code i can use for high quality?

And where i have to set it?

I recently realised that many YouTube Music Videos have a hidden high quality audio track, and not just the crappy typical 128kbps .aac audio that we all hear.

For something to do , I had saved a YouTube video from Dua Lipa with 128kbps .aac Audio, and from a couple of nights earlier on RAGE (ABC HDTV) where they transmit higher quality audio.

I Demultiplexed them both with my Video S/W, (the Video and audio of both) with the idea of giving the higher quality looking YouTube video the better sounding Audio as well .

With YouTube ,this gave me an X264 Video file that none of my S/W players will play, and the couple of MB .aac audio as a separate .aac Audio file.

However, when I opened this X264 video in TMPGEnc Video Mastering Works 5 ,it still showed it as having Audio, despite the file being smaller after the .aac audio was removed.

I then decided to convert the X264 file to BluRay format to see what came out.

The results are at the links below.

In many cases, the new audio may be out of Sync with the Video, (or different ?) however, with Carly Simon-You're So Vain,for example,it was correct.

Many members will have heard the YouTube performance from SNL by Adele, so I have attached a comparison between both lots of Audio, although the Audio is WAY out of Sync with the Video in this example.

How a Digital Audio file sounds, or a Digital Video file looks, is governed to a large extent by the Power Supply area. All that Identical Checksums gives is the possibility of REGENERATING the file to close to that of the original file.

I have been very busy, but gotta look into what you found. I have needed to refer to you tube versions of stuff once in a while, but if there are some GEMS muxed into some of the streams, it would be interesting to figure out what it is.

ffmpeg might be able to help, but if you think that the DHNRDS is arcane, the ffmpeg is a major science project to use. Maybe it is time to learn its' command interface more completely? I am interested in good reference material -- will let you know and give feedback if learn anything usefu/helpfull to everyone.

Back when I was an audiophile, I wanted the best material that I could get -- and I quit in disgust because the irritating sound, not just not-good sound. To me, CDs sounded so bad that I'd rather listen to commercial radio, and that is what I did. Why did CDs sound bad? Because I actually did recordings and KNOW what they sound like -- CDs didn't sound like real recordings, but too processed.

Sometimes there ARE subjects that each person isn't interested in -- I find that 'reviews' of cable sound quality and esoteric hardware as not being interesting TO ME. However, you'll seldom see me complain that 'I am not interested' in a subject that someone else is interested... Alex and I are interested in that kind of thing... Were do we discuss things?

When you look at the actual length in minutes for the clip, you will find that for some weird reason , the X264 file is exactly half the length in time, so that the actual video plays at twice normal speed with the Audio at normal speed.

This means that I had to use the original YouTube video for the video side, delete the existing .aac audio and replace it with the new hidden audio, and then convert it to in this case a BluRay format stream with LPCM audio.

B However, you'll seldom see me complain that 'I am not interested' in a subject that someone else is interested... Alex and I are interested in that kind of thing... Were do we discuss things?

Again, sorrry about misunderstanding the situation... I do believe that the audio world has been abused by the distributors, and trying to gen up a bit of a movement to push the suppliers a little. (I know, tilting at windmills -- but I cannot help it.) My real goal isn't just my project, but is actually getting the recordings fixed, however it is done!!!

A final example of just how good the Hidden Audio on some YouTube music videos can sound.

If you watch any YouTube videos , you will not even need to compare this one with the normal low Bit Rate .aac Audio.

I cannot find the hidden audio track you mentioned - both in the mp4 source files from your Dropbox uploads and in the 264 files produced by the TMPGEnc Video Mastering Works 7 (latest version 7.0.15.17) application's Advanced Tools Demultiplexer.

- either 'all' you're doing is getting TMPGEnc to itself produce the 'hidden' audio track by decoding the original AAC audio track to its uncompressed 16bit/44.1 LPCM contents and upsampling that to 24bit/48kHz to use as the audio track for the BluRay media file it's creating,

Sorry - I forgot to add the pics showing the aac file created by TMPGEnc's Demultiplexer not being imported when the aac file is moved to another directory and the 264 file is then added to TMPGEnc's current project - resulting in only a video track and no audio track:

I had to remember to go back to different folders, with the original used to provide the video, then the file in the TMPEnc output folder used to replace the Audio in that before conversion. There are also many Videos that don't have any hidden audio

Today, I can't even repeat this with Hanine -Arabia, yet the converted file that I posted is obviously WAY better than the original on YouTube. There is some skulduggery going on here .

Forget your measurement type comparisons and actually LISTEN to the differences with the Hanine -Arabia, for example , compared with your own YouTube version. Conversion to LPCM alone can't make more than a tiny audible difference as I demonstrated previously in another thread where even Dennis agreed about hearing improvements at both ends of the spectrum.

I have attached a copy of the Demultiplexed files showing that the X264 file is now smaller than the original after the normal .aac Audio is separated. However, the X264 file shows that there is Audio still present in it.

Last time I looked into Youtube's processing of uploaded videos (a couple of years ago), uploaded videos were originally made available in their uploaded format. A background process would then convert them to the "Youtube standard" formats, prioritised on the video's watch count. I don't know if this is still the case. I'll take a look.

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