Why Distributing Music As 24-bit/192kHz Downloads Is Pointless

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offnote
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2012/10/13 05:23:27 (permalink)

Why Distributing Music As 24-bit/192kHz Downloads Is Pointless

"Articles last month revealed that musician Neil Young and Apple's Steve Jobs discussed offering digital music downloads of 'uncompromised studio quality'. Much of the press and user commentary was particularly enthusiastic about the prospect of uncompressed 24 bit 192kHz downloads. 24/192 featured prominently in my own conversations with Mr. Young's group several months ago. Unfortunately, there is no point to distributing music in 24-bit/192kHz format. Its playback fidelity is slightly inferior to 16/44.1 or 16/48, and it takes up 6 times the space.
There are a few real problems with the audio quality and 'experience' of digitally distributed music today. 24/192 solves none of them. While everyone fixates on 24/192 as a magic bullet, we're not going to see any actual improvement.


First, the bad news
In the past few weeks, I've had conversations with intelligent, scientifically minded individuals who believe in 24/192 downloads and want to know how anyone could possibly disagree. They asked good questions that deserve detailed answers.
I was also interested in what motivated high-rate digital audio advocacy. Responses indicate that few people understand basic signal theory or the sampling theorem, which is hardly surprising. Misunderstandings of the mathematics, technology, and physiology arose in most of the conversations, often asserted by professionals who otherwise possessed significant audio expertise. Some even argued that the sampling theorem doesn't really explain how digital audio actually works [1].
Misinformation and superstition only serve charlatans. So, let's cover some of the basics of why 24/192 distribution makes no sense before suggesting some improvements that actually do."

Gentlemen, meet your ears...

more here:
http://people.xiph.org/~xiphmont/demo/neil-young.html


interesting...

#1

10 Replies Related Threads

    mattplaysguitar
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    Re:Why Distributing Music As 24-bit/192kHz Downloads Is Pointless 2012/10/13 06:30:27 (permalink)
    Good article that. I read it a few years ago. For some reason it's dated at March 2012, but Jobs passed in 2011, so that date is clearly wrong.

    I personally do everything at 48. It probably doesn't make a diff at 44 vs 48, but for basically crap all space, it adds just a little extra to take things past the threshold and not let the filter work so hard.

    I find it funny though that we talk about 20kHz all the time in these things, but listen to 20kHz in a song. It's pretty useless! Anywhere from like 15kHz upwards doesn't really add all that much! Half the population can't hear it anyway! Might as well sample at 30 and most people would probably be fine with it and not even realise!


    It's all marketing. They know it doesn't matter. Low rate mp3's and loudness wars are the biggest issues here. That's all we need to focus on.


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    #2
    offnote
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    Re:Why Distributing Music As 24-bit/192kHz Downloads Is Pointless 2012/10/13 06:45:37 (permalink)
    yeah, but I amd just curious and anxious actually to take double blind test and see if I can hear the difference.

    Unfortunately I don't have good enough equipment to do such tests at home.
    #3
    Guitarhacker
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    Re:Why Distributing Music As 24-bit/192kHz Downloads Is Pointless 2012/10/13 08:06:01 (permalink)
    I seem to recall a thread discussing the various bit rates and sample levels and tests to see who could hear what.....and essentially there was no one who could accurately and reliably pick the higher resolution once it got to the standard CD rates.... 

    The difference was discernible only on laboratory equipment by looking at frequency charts on scopes.

    The difference in MP3 rates is discernible on good gear to a certain point as well, by the average listener but beyond that point...and I do not recall all the details of that story, there was not much reliability in choosing the better resolution file either. 

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    #4
    Danny Danzi
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    Re:Why Distributing Music As 24-bit/192kHz Downloads Is Pointless 2012/10/13 09:50:47 (permalink)
    To be honest, I can't hear a difference in a 192kb mp3 if the mix is good and the encoder used is good. I do them here using WaveLab and I'm blown away by how good 192 sounds. 160kb on down I can always tell a difference. You get that warbling/watery sound...especially on cymbals.

    I don't know....I really tend to stay away from "better quality" type discussions because they are just too subjective to me and at the end of the day, the only people that will take an interest in this stuff and notice the differences if there are any, are engineers and producer types. The main buying public could care less really. Think about it...most of them listen to 128kb mp3 files on their ipods and could care less nor would they tell the difference if they were 192 or 320. I know some would that are really into the sound quality of music...but the majority....ah, they are just happy to have the technology we have today.

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    #5
    bitflipper
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    Re:Why Distributing Music As 24-bit/192kHz Downloads Is Pointless 2012/10/13 10:39:16 (permalink)
    Perhaps Neil Young, Tom Scholtz and Alan Parsons could open a training center for up-and-coming DSP and electrical engineers. Between the three of them, they must know everything. Because there is, you know, a 1:1 relationship between technical savvy and record sales.

    Hey, many of us decide which politician to vote for based on which movie stars support them, so why not base our technical decisions solely on advice from guys with Grammys?


    All else is in doubt, so this is the truth I cling to. 

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    #6
    Guitarhacker
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    Re:Why Distributing Music As 24-bit/192kHz Downloads Is Pointless 2012/10/14 09:21:15 (permalink)
    good points..   and yeah... I agree with the "watery warbling sound" thing... I heard it on a soundclick upload of one of my tunes a few years back... they reduce everything to 128 and I had uploaded a 128. I'm guessing their algorithm software screwed with it a bit.... The piano sounded like it was phased..... I reloaded it with a 320 which they reduced to 128 of course but that did fix the phasing piano sound. 

    Dave... of course! 

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    #7
    bitflipper
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    Re:Why Distributing Music As 24-bit/192kHz Downloads Is Pointless 2012/10/14 10:48:43 (permalink)
    Soundclick inexplicably re-encodes 128kb/s files - to 128kb/s! You'd think their software would be smart enough to realize the file didn't require re-encoding. That's why I send them the highest bitrate I can that still satisfies the 10MB file size restriction. Sometimes that means resorting to VBR. Such is the price of being a cheapskate who refuses to spring for a paid account.


    All else is in doubt, so this is the truth I cling to. 

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    #8
    Salt Panic
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    Re:Why Distributing Music As 24-bit/192kHz Downloads Is Pointless 2012/10/20 00:38:15 (permalink)
    Good information. I can really start hearing significant differences in anything less than 192 kb/s. I grew up listening to records and tapes so a little noise is "acceptable" to my ears.
    #9
    droddey
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    Re:Why Distributing Music As 24-bit/192kHz Downloads Is Pointless 2012/10/20 21:32:46 (permalink)
    Dave Lavry (the high end converter designer) has a paper out there giving technical reasons why 192 is a waste of time even for recording purposes, and actually potentially a detriment. Even 96K probably is as well (a waste I mean, not a detriment), but it's a valid delivery format so you can argue that you are supporting the high remotely reasonable deliver format.

    Dean Roddey
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    #10
    spacealf
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    Re:Why Distributing Music As 24-bit/192kHz Downloads Is Pointless 2012/10/21 11:37:27 (permalink)
    Who wants such a big download?? Head-Room -- Enter Here!

     
     
    #11
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