The dreaded hiss!!!

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Baad_gurl

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Hello i am new here , i am an A-level music student and i am doing music technology as part of my a-level.

I have done a dry mix of norwegian wood by the beatles and an alternative mix/ wet mix of the same piece altering the texture and reverb and a few adjustments on graphic equalisers.

i then had to record a live recording of a brass ensemble. I somehow have got unwanted hiss

I dont understand how to reduce it and its is forbidden in the a level syllabus not to use Dolby noise reduction thingyamy.


Is there anything i can do on the mix down to reduce this??? or am i too late ? - ie was it on there when i recorded it. PLEASE HELP IT IS DUE IN FOR MARKING ON MONDAY THE 10th!!!


thanx from a to-be sound engineer - i hope!

Nina
xxx
 
You've got a double negative in there - I'm going to assume that you are not allowed to use Dolby NR.

If the hiss is at a constant frequency, see if you can get your hands in a notch-EQ, or track down a de-hiss filter (you don't say if you're working in digital or analog here)

- gaffa
 
Record at the hottest level you can....into the RED. this will give you the maximum S/N ratio (Signal vs. Noise)

Of course you must avoid distortion, just back off a little.

Also remove any devices such as effects units or compressors from the input chain. Go as direct as you can from microphone to tape.

Cheap units add noise, and so do mic preamps

Sincerely;

Dom Franco
 
If the hiss is mainly audible between tracks, you might want to consider either a noise gate to cut sound between tracks or simple record dead space (no input at all) in between tracks. Or re-record again using better techniques, as sugeested above.

Peace, Jim
 
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