Mastering Presentations

Incorporating Technology 

 

Memory stick 

USB 3.0  

Make sure it supports both the USB port and drive itself.

(If it doesn't, the transfers will happen at the lower port speed.

USB 3.0 transmits data at 100 MB/s while USB 2.0 transmits at 15 MB/s.

 

Flash memory and controller

Use drives that are like solid-state drives (SSD):

-quality components

-good at transferring and storing data

-transmit >200 MB/s.

 

Phone Compatability

Check if your Android phone supports USB OTG (On-The-Go),

It will be able to read external flash drives.

 

Protection 

Rugged drive protects from physical damage.

Data and password-protection.

USB drives with physical keypads for entering a password.

 

Webinars

Avoid system latency delays by using a fast computer with the large memory.  

Fastest broadband internet connection (speed affects quality). 

Dial-up connections for presenters need a  minimum download speed of 2MBps and upload speed of 1Mbps. 

Test upload and download speeds using Speedtest.net or MegaPath,

USB microphone that plugs into your computer’s USB port.

 

Wireless Presenter Device

 

Best characteristics:

- easy to use

- timers and stopwatch

- low battery indicator

- consider range requirement

- good grip and design for holding

- bright. sharp and focused laser for range needed

- check compatibility with Apple and Windows.

Sound
 
The external mic

 

Consider:

- directionality; omnidirectional, cardioid,

   hyper cardioid, bidirectional and variable

   directionality

- flat response (equally sensitive to all frequencies)

- impedance: low Impedance (less than 600Ω)

- frequency response range of around 80 Hz to

   25 kHz

-  align your mouth approximately two hand widths

   from the microphone

- keep your hands behind the microphone if walking

   around the stage 

- place the mic behind the main speakers and in

   front of the main monitors 

- do not point the mic at the monitors.

 

 

The wired and wireless 

lavaliere system

 

Chest-mounted ...

A peak of approximately 6 dB at 6–8 kHz is considered beneficial for compensating loss of clarity.

Headset...

A peak of a few decibels at 10–15 kHz. is sufficient. 

Position the microphone about six inches below your chin.

Ensure that the microphone has a clear path to the mouth.

Equalisation

 

Equilise voice sounds with a microphone:

-1KHz to 5KHz range (improves intelligibility and clarity

-3KHz to 6KHz range to add brightness (improves intonations for second language speakers).

 

Improving your sound
 

-Enhance audience understanding with joy and indignation pitches at beginning and end of a sentence.

 

Use intonations with:

-fall patterns in statements and commands

-rise patterns in open questions and closed questions.

 

Stress fewer words in sentences to promote fluency and clarity. 

 

For an international audience speak at a maximum of 100 words per minute. 

 

Speak louder to enhance formality, interest and happiness.

 

Use a softer voice to sound apologetic, relaxed or saddened.

 

Think truthful and positive thoughts prior to presenting.

 

Remember, truthful thoughts reduce fear and anxiety.

 

 
 
Medical Presentations

 

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