From my perspective as a home user of a commercial home surround
decoder (Ambisonic UHJ, Trifield, Dolby etc.), I almost never see any
info on recording techniques on record labels and I can't foresee any
record labels ever stating which microphone techniques were used.
The manual for my Meridian 565 decoder says "The Trifield processing
in 565 extracts the M-S (Mono and Surround) component of the original
recording.". The manual also says it's for reproduction from
recordings made "where the recording has used a small number of
microphones." So it's very much guesswork and experimentation time for
us home surrounders. How few is 'few' and how configured I wonder?
Should Trifield be best used for MS recordings only?
I understand that Trifield is derived from the same groundwork as
Ambisonic, which also gives us ambi superstereo. It's a matter of
personal judgement, I think, but do you more knowledgeable theory
folks know if Trifield is therefore as flexible in its use as
superstereo?
Maybe Meridian were just suggesting indirectly that people experiment
to find the most pleasing effect from their black box (literally)
piece of hi-fi equipment.
Steve
On 24 Jan 2011, at 13:09, Eero Aro wrote:
Jörn Nettingsmeier wrote:
in theory, you can. in practice, you can't, because you'd have to
know
what stereo technique was used during recording
Yes you can.
Just one word: Trifield.
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