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Presentations>Multimedia>Audio

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1.
#34110

The Ears Have It (Notes)

Some people call it blogging out loud. Podcasting is a fairly easy and fairly inexpensive way of presenting your ideas and opinions. But podcasting is more than a platform for reviews or polemic. It's also a powerful tool within the enterprise for training, for marketing, and for documentation. Imagine being able to carry product information or supplementary material with you and not have to worry about stacks of paper? You can do that with a podcast.

Davis, Aaron and Scott Nesbitt. SlideShare (2008). Presentations>Multimedia>Audio>Podcasting

2.
#34794

Editing Audio Using Audacity

TechSmith asked me to create a video on using Audacity to edit narrations. Since the use of Audacity will be useful to many I've uploaded it here too. The screencast covers removing background noise, breathing and lip smacks, dynamic range compression, volume normalisation, fades and de-essing using the volume control.

Ozsvald, Ian. ShowMeDo (2009). Presentations>Multimedia>Audio>Screencasts

3.
#18532

Getting to Know Mic

For a presenter, a high-quality microphone, combined with the right sound system, will give your voice a rich sound that can be heard throughout a room. Here are some things to consider if you want to add a microphone to the company conference room or your presentation traveling kit. The basics A microphone is essentially an energy converter that takes in sound waves and converts them into electrical energy. Two main types of microphones are available: condenser and dynamic. A condenser mic uses a power supply to provide a charge that works with a thin diaphragm inside the unit to create a signal. A dynamic mic creates a signal when the sound pressure moves a coil or ribbon across a magnet. Because they usually produce a richer sound, condenser mics are the more popular of the two; however, they require batteries or a power supply and are more expensive and more fragile than dynamic models. Dynamic mics are usually considered less accurate in sound quality, but they are generally more rugged and can withstand varying temperatures, humidity levels and a lot of abuse. These qualities make dynamic mics ideal for use outdoors or on the road.

Hill, Julie. Presentations (2002). Articles>Presentations>Multimedia>Audio

4.
#35981

Microphones and How to Handle Them

Learn how to identify the type of mike you are given for your talk, and learn how to handle it to avoid volume changes and popping. Audibility is as important as slide legibility. Audibility is affected by microphone pick-up patterns, and microphone handling.

Lebrun, Jean-Luc. Scivee (2009). Presentations>Multimedia>Audio>Voice

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