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In Reply to: Re: What Constitutes Accurate Musical Replication? posted by Analog Scott on April 20, 2007 at 10:17:25:
> Binaural is just two channel stereophonic playback. The differences
> are very much a matter of detail. The basic approach is exactly the
> same.Can I suggest you count your ears and then look up binaural recording on the web. It is quite different from stereo.
Follow Ups:
Main Entry: bin·au·ral
Function: adjective
Pronunciation: (")bī-'no r-&l, (")bi-
Etymology: International Scientific Vocabulary
1 : of, relating to, or involving two or both ears
2 : STEREOPHONICAs for my ear count, two ears. So is the idea that two is different than two part of the new math?
> So is the idea that two is different than two part of the new math?No it follows from knowing what stereo and binaural recording and playback means. Are you confident in your source? If so, how do you explain all those sources describing binaural and stereo recording as different?
I am quite confident in my sources.> > it follows from knowing what stereo and binaural recording and playback means. < <
Perhaps you should look them up.
> > Are you confident in your source? If so, how do you explain all those sources describing binaural and stereo recording as different? < <
Stereo is a very broad term.
Main Entry: ste·reo·phon·ic
Function: adjective
Pronunciation: "ster-e-&-'fä-nik, "stir-
Etymology: International Scientific Vocabulary
: of, relating to, or constituting sound reproduction involving the use of separated microphones and two transmission channels to achieve the sound separation of a live hearing
There are many different techniques binaural being one of them.Main Entry: bin·au·ral
Function: adjective
Pronunciation: (")bī-'no r-&l, (")bi-
Etymology: International Scientific Vocabulary
1 : of, relating to, or involving two or both ears
2 : STEREOPHONICSome people may try to seperate the two to emphasize the unique approach and qualities of binaural recording and playback but the *fact* is binaural recording and playback is a subset of stereo recording and playback. Therefore binaural is stereophonic.
Every source I've located says two.Yes, mike placement is different from stereo (spaced closer together), but NOT the number of channels. Now, those folks with three ears will not get the appropriate effect. :)
From the link on binaural that you yourself gave:"Does it matter if the two channels get bolluxed up along the way?"
"Yes! It is vitally important to keep the two channels carrying the binaural signals completely separate, with no mixing as frequently occurs with stereo recording. The left ear signal must also be heard at the playback end by the listener's left ear and vice versa. Many binaural recordings begin with an identification of the two channels since this is even more important than with stereo recordings. Reversing the channels gives the equivalent of having had your back to the performers when they were playing; the facial features on the front of our heads are missing on the back of our heads!"
Binaural works rather differently from stereo.
____________________________________________________
"Opposition brings concord. Out of discord comes the fairest harmony."
------Heraclitus of Ephesis (fl. 504-500 BC), trans. Wheelwright.
rw
It's not just mic positioning!
____________________________________________________
"Opposition brings concord. Out of discord comes the fairest harmony."
------Heraclitus of Ephesis (fl. 504-500 BC), trans. Wheelwright.
Indeed, we have binaural hearing because we have two ears, and we can get directional cues. We'd be in a sorry pickle if our hearing was merely stereo!
____________________________________________________
"Opposition brings concord. Out of discord comes the fairest harmony."
------Heraclitus of Ephesis (fl. 504-500 BC), trans. Wheelwright.
You might want to look up the actual meaning of wordshttp://history.sandiego.edu/GEN/recording/stereo.html
1916 - Harvey Fletcher joined the Research Division of Western Electric Engineering Dept to work with Irving Crandall on hearing and speech, was director of acoustic research at Bell Labs 1927-49, built the Western Electric Model 2A hearing aid and a binaural headset in the 1920's, published the widely-read book Speech and Hearing in 1929 that analyzed the characteristics of sound. Fletcher would lead much of the research on binaural, or what later would be called "stereophonic" sound recording, at Bell Labs.Binaural is a subset of stereo. To say Binaural isn't stereo is like saying Blumelein isn't stereo or thre track mixed down to two track isn't stereo. If it is played back in two channels it is stereo.
Main Entry: bin·au·ral
Function: adjective
Pronunciation: (")bī-'no r-&l, (")bi-
Etymology: International Scientific Vocabulary
1 : of, relating to, or involving two or both ears
2 : STEREOPHONICMain Entry: ste·reo·phon·ic
Function: adjective
Pronunciation: "ster-e-&-'fä-nik, "stir-
Etymology: International Scientific Vocabulary
: of, relating to, or constituting sound reproduction involving the use of separated microphones and two transmission channels to achieve the sound separation of a live hearing
nt
____________________________________________________
"Opposition brings concord. Out of discord comes the fairest harmony."
------Heraclitus of Ephesis (fl. 504-500 BC), trans. Wheelwright.
There is no binaural system that isn't stereophonic. there are plenty of stereophonic systems that are not binaural.
One does not establish a logical hierarchy simply by the number of instances.Stereo simply doesn't work the same way as binaural.
In real listening, when we hear an instrument playing or a singer singing in a concert hall, we get the direct sound from the instrument or singing plus reflected sound from various directions delayed by varying amounts of time and differing in frequency content compared to the direct sound.
Stereo reproduction provides direct sounds and recorded reflected sound from two or more locations creating a phantom image located between the speakers as a rule. The sound of a single performer reaches our ears from each speaker from a different direction and travels around our head to reach the ear shadowed by our head. The sound from the different speakers is mixed by the time it reaches our ears. This is not what would happen live, where the sound of the performer originates from a single source. I illustrate using a single instrument or performer for simplicity.
Binaural recording mimics the way we hear. When recorded, sound is mediated by our head and ear structures the same as if the person were sitting there, and when played back through high quality headphones, the sound mimics the way hear a live performance. Stereo does not.
No useful purpose is served by confusing stereophonic and binaural reproduction.
http://en.wikipedia.org/wiki/Binaural_recording
http://en.wikipedia.org/wiki/Stereophonic_sound
____________________________________________________
"Opposition brings concord. Out of discord comes the fairest harmony."
------Heraclitus of Ephesis (fl. 504-500 BC), trans. Wheelwright.
rw
Not your most brilliant move.Have you ever heard a binaural recording? You might change your tune if you had!
____________________________________________________
"Opposition brings concord. Out of discord comes the fairest harmony."
------Heraclitus of Ephesis (fl. 504-500 BC), trans. Wheelwright.
Fact is they got it right.> > Not your most brilliant move.
Welll that would be sad if looking something up on an online dictionary were my most brilliant move.
> > Have you ever heard a binaural recording? < <Yes I have.
> > You might change your tune if you had! < <
Not a chance. The headphones I used were made for two ears. The recording was a binaral stereo recording using the traditional dummy head with one mic in each ear (that adds up two two mics for two channels) for the stereo recording...
Since binaural is two channel, that happens to coincide with the number of ears that I have.
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