[LAU] [Bulk] Re: Measuring the acoustical characteristics of my studio using FLOSS software?

[Carlos sanchiavedraz]

2014-08-03 19:30 GMT+02:00 Ralf Mardorf <ralf.mardorf at rocketmail.com>:
> On Sun, 2014-08-03 at 17:06 +0000, Fons Adriaensen wrote:
>> On Sun, Aug 03, 2014 at 06:22:53PM +0200, Carlos sanchiavedraz wrote:
>>
>> > - Pick a mirror
>> > - From your listening position perspective and moving the mirror (you
>> > know, with its back to the wall), find the areas where you see the
>> > image of your speakers reflected in the mirror. It's better to have
>> > some helping hand so you can stay seated in your LP.
>> >
>> > The point is: if you see the speakers/the light reflected from the
>> > speakers that gets to your eyes bounced from the mirror, then the
>> > sound will get to you bounced on those areas as well.
>>
>> Take that with some very big lumps of salt.
>>
>> For at least half of the audible frequency range, the wavelenght of
>> sound is comparable or larger than the typical sizes of objects that
>> surround us. Which means that sound will not behave as light. This is
>> the main reason why so many people have a completely wrong idea of how
>> sound waves interact with objects or a room.
>
> Even if sound waves would behave like a ball thrown against the wall,
> the nominal dispersion angle, the angles of the walls etc. pp. still
> would be ignored by this mirror test, not to mention that we aren't
> horses, with our eyes at the side of the head, were our ears usually
> are.
>
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Well, maybe next time I should just shut up :). Just for the record,
this information I learned from someone who was no newbie in this
matters.

-- 

C. sanchiavedraZ:
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