The only true surround at the time was CD4,
In article <u2qleu$mp0a$1@dont-email.me>,
Brian Gaff says...
The only true surround at the time was CD4,
Prerecorded quadraphonic open reel tapes were available and several manufacturers produced suitiable playback machines.
https://en.wikipedia.org/wiki/Quadraphonic_open_reel_tape
On 02/05/2023 11:26, Unsteadyken wrote:
In article <u2qleu$mp0a$1@dont-email.me>,
Brian Gaff says...
The only true surround at the time was CD4,
Prerecorded quadraphonic open reel tapes were available and several
manufacturers produced suitiable playback machines.
https://en.wikipedia.org/wiki/Quadraphonic_open_reel_tape
They did produce a quadrophonic (4 tracks in each direction) cassette recorder when quad was the in thing. I don't know how good it was.
--
Max Demian
In article <u2qleu$mp0a$1@dont-email.me>,
Brian Gaff says...
The only true surround at the time was CD4,
Prerecorded quadraphonic open reel tapes were available and several manufacturers produced suitiable playback machines.
https://en.wikipedia.org/wiki/Quadraphonic_open_reel_tape
Yes but what is this spacial audio. Is it effectively what we used to do
with analogue, ie the old stereo width anti phase system. It widens and makes better use of the inbuilt acoustic reverb. I thought everything was digital these days with a kind of object orientated mixing system.
When I play tracks on Amazon in the last day or so it claims to support special audio. Having played a few of their play, about the only thing I
hear different to the original tracks is a vague out of phase reverb. This reminds me of the old Quadraphonic recordings they used to put out in QS, which as far as I could deduce was a matrix that used partial separation for rear speakers. Sometimes it was OK, sometimes dire.
There's also binary stereo.
I think that's when you have a dummy head
with microphones where the ears should be.
Max Demian wrote:
There's also binary stereo.
Binaural rather than binary?
I think that's when you have a dummy head with microphones where
the ears should be.
My old maths teacher had such a head/mics/reel-to-reel setup at his
home, he demonstrated him walking up the creaky stairs vs a recording
of the same, it was very convincing.
Sennheiser made a binaural mic. I still have a demo recording made with
them. It works best with 'open-air' headphones such as the HD414.
On 02/05/2023 10:34, Brian Gaff wrote:
When I play tracks on Amazon in the last day or so it claims to support
special audio. Having played a few of their play, about the only thing I
hear different to the original tracks is a vague out of phase reverb.
This
reminds me of the old Quadraphonic recordings they used to put out in QS,
which as far as I could deduce was a matrix that used partial separation
for
rear speakers. Sometimes it was OK, sometimes dire.
Spatial audio is an audio experience that simulates a surround-sound
setup. It is intended to heighten immersion by simulating a surround-sound setup. You can use spatial audio to simulate the experience using just
your headphones. Spatial audio builds upon object-based audio and places "audio objects" in 3D space, allowing them to move as the listener moves (head tracking) or as a scene plays out [1][2].
[1] https://www.howtogeek.com/764288/what-is-spatial-audio-and-how-does-it-work/ [2] https://www.androidauthority.com/what-is-spatial-audio-3188080/
It uses a post-production technique that can be applied to any audio recording.
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