February 2006
Intermediate to advanced
826 pages
63h 42m
English
Content preview from Web Design in a Nutshell, 3rd Edition
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WAV/AIFF (.wav, .aif, .aiff)
The WAV and AIFF audio formats are very similar in performance and these days are probably ill suited for most web audio. However, these formats remain the standard for high-quality uncompressed audio before it gets converted for use on the Web. 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 bits 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). 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 to web pages via a link for download.
The following summarizes the WAV and AIFF formats:
|
Good for... |
Storing high-quality source audio ... |
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