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Old 1st October 2012, 07:29 AM   #21
T101 is offline T101  Bulgaria
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What is that curve?
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Old 1st October 2012, 06:19 PM   #22
Elias is offline Elias  Finland
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Quote:
Originally Posted by ScottG View Post
"2. CRITERIA OF LOUDSPEAKER PERFORMANCE

2.1. Terms of Reference

It is assumed that the ideal to be aimed at in the design of a sound reproducing system is realism, i.e. that the listener should be able to imagine himself to be in the presence of the original source of sound. There is, of course, scope for legitimate experiment in the processing of the reproduced signals in an endeavor to improve on nature, however, realism, or as near an approach to it as may be possible, ought surely to be regarded as the normal condition and avoidable departures from this state, while justified upon occasion, should not be allowed to become a permanent feature of the system.."

Title: THE DEVELOPMENT OF HIGH-QUALITY MONITORING LOUDSPEAKERS: A REVIEW OF PROGRESS

Source: BBC (1958)

I agree !
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Old 1st October 2012, 06:46 PM   #23
graaf is offline graaf  Poland
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Quote:
Originally Posted by Elias View Post
I agree !
and I second that!
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Old 1st October 2012, 07:50 PM   #24
Elias is offline Elias  Finland
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Quote:
Originally Posted by Pano View Post
the old Bruel & Kjaer curve will sound well balanced. Do that, and you'll find that most recordings sound right.
Since you are holding the answer you might tell how is this curve measured in a room ?
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Old 1st October 2012, 07:56 PM   #25
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Note that the BBC dictum was scribed in 1958. I agree it's a worthy goal for mono recordings.
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Old 1st October 2012, 09:01 PM   #26
ScottG is offline ScottG  United States
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Originally Posted by Keriwena View Post
Note that the BBC dictum was scribed in 1958. I agree it's a worthy goal for mono recordings.
Ah, but *stereo* was a means at the time (and today), to achieve greater realism. (..at least when compared to most mono recordings.)

The goals expressed in 1958 shouldn't be any different than today. Note the section heading: "Terms of Reference"
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Last edited by ScottG; 1st October 2012 at 09:04 PM.
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Old 1st October 2012, 09:40 PM   #27
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Originally Posted by StigErik View Post
Don't blame "bad" recordings when the problem is elsewhere....
I agree. The better my speakers got the fewer 'bad' recordings I seemed to have.
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Old 1st October 2012, 10:29 PM   #28
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Quote:
Originally Posted by ScottG View Post
The goals expressed in 1958 shouldn't be any different than today.
Are you suggesting the Beatles shouldn't have done Sgt. Pepper's?
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Old 1st October 2012, 11:56 PM   #29
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Originally Posted by Keriwena View Post
Are you suggesting the Beatles shouldn't have done Sgt. Pepper's?
You can love the Beatles and acknowledge that their recordings aren't the ultimate in fidelity. Too much doubletracking and studio manipulation.

My desires for a sound system: when the recordings were made with care then I want acoustical instruments to sound as much like the live instrument and venue as possible. For studio recordings and electronic instruments I want great involvement, texture, variety of tone color.

The biggest sin of a system, IMHO, is to impart a strong personality of its own to what it reproduces. I want to hear each recording without an added layer or an everpresent filter.

David
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Old 2nd October 2012, 01:25 AM   #30
Pano is offline Pano  United States
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Quote:
Originally Posted by Elias View Post
Since you are holding the answer you might tell how is this curve measured in a room ?
With a microphone!

I use a wide band cardioid mic because its directivity is similar to my ears, but an omni will do. I measure at the listening position.

There should be plenty of the B&K curve around the web. I'll try to find one.
EDIT: Attached is the classic curve. I start my roll-off higher, circa 400 Hz.
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File Type: png Bruel-Kjaer-optimum-curve.png (76.9 KB, 141 views)
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