Microphone Techniques Chao-Chih Huang. Microphone Techniques INTRODUCTION TO MICROPHONES Diaphragm...

Microphone Techniques

Chao-Chih Huang

Microphone TechniquesMicrophone Techniques

INTRODUCTION TO MICROPHONESDiaphragm• Dynamic Mic: Moving Coil and Ribbon Mic• Condenser Mic/ Capacitor Mic

phantom power: 9~52 V, usually 48 V

* Can NOT tell from the looks, you have to read the manuals!

Advancing the Power of Sound


Polar Pattern

• Omnidirectional

• Cardioid

• Supercardioid

• Hypercardioid

• Bidirectional(Figure-eight)


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Types of different Mic

• Hand-held Mic

• Head-set Mic

• Clip-on Mic








Wireless Mic:• UHF band(Ultra High Frequency 600-1000 MHz)• VHF band(Very High Frequency 160-250 MHz)

Be sure to check the batteries

Wired Mic







The Clothes of Mic• Wind screen (thin/thick sponge cap)• Pop-filter• Hairy cover (provides maximum protection against wind noise )









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• Wind-proof purpose• Health reasons• Easy to tell in live concert by colour

The more expansive, the better?• Good and expansive Dynamic Mic• Bad and cheap Condenser Mic



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BEFORE THE SHOW/RECORDINGChoosing the right mic• By the engineers• By yourselfStarting up…• Mic -> Connect the lead at the mic end ->• Connect the lead at the mixer end ->• Effects -> Power amp *** Boom problem!!!




Test the mic...• JUST say something, like "test… test... one… two..."

NEVER DO THESE!• Blow at mic

Destroy the part. Humidity influence• Pop the mic

Destroy the part. Unpleasant noise


Rehearse with your maximum and minimum voice

Let the engineer knows your volume range

• Prevent distortion

• Make sure the recording level is enough

• Balance with the music





Don't just stand there...• Listen to your sound from the monitors

on-stage monitorsFOH (Front of house) monitorsControl room monitors (Recorded sound)

• Adjust the way you sing if appropriate• Suggest to your engineer

Louder... please...To use some effects



DURING THE SHOW/RECORDING

Please don't eat the mic!• The more loud, the more distance needed• Pull away the mic on high, loud notes

The location of mic• Minimum distance: under bottom lip• Advantage: avoid the popping effect by some certain consonants (b; p; t)

Don't cup hands over the head of the mic• Muffle the voice

Let engineers control the switch of mic• Don't use the switch on the mic even there is one

Professional mic switch design• Boom sound• Communicate with your engineer, when to...• Trust your engineer

數位非線性錄音系統數位非線性錄音系統



Don't sing around the monitors!• Feedback

High pitched

noise

• Pre-test the feedback frequency• Use EQ to dampen the feedback






Make sure your voice is heard by yourself

• In on-stage monitors (Live)

• In headphones (Studio)

Live concert, audiences enter arena...

You won't sing uphill

Easy for you to control your voice

Cue your engineer







AFTER THE SHOW/RECORDING

Don't kill the mic and all other equipment

Don't just TRUN/PULL OFF mic!Condenser mic

phantom power

Dynamic mic

Boom sound

Shutting down the system• Power amp• Effects• Mixer/ Phantom power• Disconnect mic

Mic storage• Temperature control• Humidity control











AKG C414 B-TL II

NeumannU87 Ai

ShureSM 58

Electro-VoiceRE20

Microphone Techniques Chao-Chih Huang. Microphone Techniques INTRODUCTION TO MICROPHONES Diaphragm...

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