September 2001
Intermediate to advanced
640 pages
31h 42m
English
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Web Audio Formats
At last, we get to the heart of web audio—the various file formats. This section provides an introduction to some of the most common formats for web audio.
WAV/AIFF (.wav, .aif, .aiff)
The
WAV and AIFF audio formats are very similar in peformance. The
Waveform Audio File Format (.wav) was originally
developed as the standard audio format for the Microsoft Windows
operating system, but it is now supported on the Macintosh as well.
WAV files can support arbitrary sampling rates and bit depths,
although 8 KHz and 11.025 KHz at 8- or 16-bit are most common for Web
use.
The Audio Interchange File Format
(.aif or .aiff) was
developed as the standard audio format for the Macintosh platform,
but it is now supported by Windows and other platforms. It can
support up to six channels and arbitrary sampling rates and bit
depths, with 8 KHz and 11.127 KHz at 8- and 16-bits being the most
common online.
WAV and AIFF files are less commonly used on the Web than they once were, now that we have audio formats that are better suited for web delivery (MP3) or designed specifically for the Web (streaming formats). WAV and AIFF files are typically used as the source format for audio that then gets compressed into more web-friendly formats, like RealAudio. They sound good when uncompressed, but they suffer drastic loss of quality when compressed to small file sizes. For this reason they are useful for very short, downloadable audio clips, such as short greetings. They are usually added ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.