ProAudio Coalition


Friday, August 29, 2008

Hilarious. Also true.

Mary Yurkovic

How to interpret ‘crew wanted’ ads

Craigslist is a marvelous institution. There are editions for some 500 different cities, but you can still consider yourself lucky if you live near one. Among (lots of) other things, Craigslist has ads for temporary or permanent film/tv jobs. Some of those listings have more to do with a newbie director’s fantasies than anything real - no budget, no plans, no technique - but you learn to ignore them.

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Monday, August 25, 2008

QuickTime Quickies

Mary Yurkovic

A couple of non-intuitive hacks for QuickTime audio

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I’m a soundie. So I frequently have to send music samples, progressive mixes, and other pieces of track to directors or clients for approval. Since I’m also a lazy soundie, I’ve discovered a couple of ways to speed up the process… and save my clients a lot of download time.

This is the fourth article in my series on audio data compression, and it’s the least technical. It’s actually just a couple of tips. The key is Apple’s QuickTime Pro, a $30 addition to their free QuickTime software for Mac or Windows. Among other things, it lets you have multiple audio and video streams as separate elements in the same file.

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Tuesday, August 19, 2008

Vacuum Packed

Mary Yurkovic

Compress audio files without losing quality? You can, if you measure them the right way.

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My last two blog tutorials discussed neural masking, and how an mp3 or AAC can be good enough for broadcast or film sound when you do it right. (If you followed the link to my website, you even got proof.) But sometimes, even AAC’s tiny losses can be too much: you might be sending elements that will be processed or compressed more, or be saving an archive. While most non-audio files can be successfully squeezed with Winzip or Stuffit, those processes behave strangely with audio.

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Saturday, August 16, 2008

Living with (Data) Loss

Mary Yurkovic

mp3 and its cousins are a fact of life… here’s how to get the most out of them

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If you do audio for the Web, broadcast, or movie theaters, sooner or later you’ll have to deal with some form of lossy data compression. But you don’t have to buy into the mp3 myths and hype. If you understand how those algorithms actually work - how they decide what data to lose - your tracks can sound a lot better.

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Thursday, August 14, 2008

Hearing What’s Not There

Mary Yurkovic

Sometimes, making data disappear can be acceptable

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Ever wonder how magicians make a large object disappear, or a woman’s dress instantly change color?  According to a study in Nature Reviews Neuroscience, cognitive scientists have been wondering as well. The scholarly, footnoted article explains magic tricks in terms of the visual and neurological quirks they rely on. It credits The Amazing Randi, The Great Tomsoni, and Teller (of “Penn and…”) as co-authors. It’s visually oriented - as is a lot of magic - but abracadabra: Here on the audio side, we’ve been benefitting from that kind of research for years. You can benefit, too.

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Friday, August 01, 2008

Deep Throat, Cetacean

Mary Yurkovic

What whales consider sexy… and what’s really going on in the audio band.

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Ask and you shall receive. A few weeks ago, I posted a blog entry about some fascinating research on how hormonal changes can affect the attractiveness of a woman’s voice. In the entry, I wondered if there was an equivalent phenomenon for male voices.

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