[MLA] Touch base with Buddy...

[Bob Katz]

I hope to find time to read Eelco's summary but don't let me hold 
anything up.

If that's the case, then we don't need a touch base letter.



Best wishes,



Bob



On 5/27/17 11:29 AM, Ian Shepherd wrote:
>
> Hi Bob,
>
> Having just read Eelco's summary, I think the majority of the points 
> you've outlined in your mail are already covered very well.
>
> Rather than distract from the momentum of Eelco's conversation with 
> Buddy so far, perhaps better for him to simply say he has shown the 
> MLA his summary and that we fully endorse it ? Assuming that's the 
> case, of course :-)
>
> Ian
>
>
>
>
> On 26 May 2017, at 17:49, Bob Katz <bobkatz at digido.com 
> <mailto:bobkatz at digido.com>> wrote:
>
>> Congratulations in advance, Eelco! I have yet to read your last revision.
>>
>> I have Buddy's ear and he and I have conversed several times in the 
>> past year, but all about MFIT stuff and not about normalization.
>>
>> I'd like us to touch base with Buddy. Should we compose a group email 
>> summarizing our thoughts and send it to Buddy?
>>
>> Let's summarize our points:
>>
>> a) loudness normalization on by default. Ideally BS.1770.
>>
>> b) album norm on all the time.
>>
>> c) No upward normalization unless the peak level would not clip.
>>
>> d) No peak limiting
>>
>> e) Point out that singles (which have no album) will automatically 
>> sound as loud as the loudest song in any album even if the single is 
>> a ballad or soft song. Well, this behaves no worse than track 
>> normalization ever did. I guess it will work itself out. The big 
>> discrepancies will be between singles that are soft songs against 
>> that same song in the album. But it's no worse than the old days when 
>> ballads were often released as singles, peak normalized, louder than 
>> how they appeared on the album.
>>
>> f) If they choose a higher target, like -14 LUFS, it works out fine 
>> and does not cause a loudness race:
>>
>> --- ONLY if album normalization is on all the time and
>>
>> ---ONLY if album normalization is based on the loudest track in the 
>> album and
>>
>> ---ONLY if there is no upward normalization beyond the clipping point.
>>
>> g) Album norm would require a new field in the metadata that Apple is 
>> apparently not using. One which calculates the loudest song in the 
>> album. Personally I think the field should contain the absolute LUFS 
>> of the loudest song. That allows playback systems to easily update to 
>> new targets.
>>
>> h) Currently itunes only turns on album norm in a playlist. It also 
>> only turns it on with contiguous tracks.... My studies and your study 
>> have shown that contiguous is not necessary to enjoy the benefits of 
>> album norm.
>>
>> iTunes currently keeps on calculating a new "average" and 
>> recalculates the album normalization in a playlist depending on how 
>> many tracks from the album it discovers. It's actually far more 
>> complicated and fraught with bugs than the simple "album norm all the 
>> time" principle so the apple algorithms will become simpler, not 
>> complicated.
>>
>>
>>
>> Best wishes,
>>
>>
>>
>> Bob
>>
>>
>> On Wed, 2017-05-24 at 08:09 +0200, Grimm | Eelco wrote:
>>> Hi Thomas,
>>>
>>>> Well done if Apple has been convinced by your study to turn on 
>>>> loudness normalization by default. Still, I encourage you to submit 
>>>> it for JAES or a conference so the scientific scrutinization 
>>>> process can get started, and we can get out of this stalled state. 
>>>
>>>
>>> Yes I will. It is planned for the New York conference. I will definitely keep you all involved in the writing of that paper.
>>>
>>> Cheers,
>>> Eelco
>>>
>>>
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>
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-- 

If you want good sound on your album, come to Bob Katz 407-831-0233 
DIGITAL DOMAIN MASTERING STUDIO Author: *Mastering Audio *Digital Domain 
Website <http://www.digido.com/> No trees were killed in the sending of 
this message. However a large number of electrons were terribly 
inconvenienced.

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