Old MPEG files could be compressed to a ratio of 10:1 On the Web now most MPEG files are either MPEG-2 or MPEG-3 Quicktime can handle MPEG-2 files, for MP3 you’ll have better luck with a helper app like WinAmp or MacAmp
MP3 developed for Win platform--more PC tools than Mac tools. Rio works with PCs, not Macs To use Mpecker, first you digitize the sounds, then you use Mpecker to encode them
Audio clips need to be &quot;normalized&quot; - that is, the loudest part of the clip's waveform should go to the top of the available dynamic range. There are two ways to normalize a clip: The first and easiest is to monitor the input level with your recording software as you create the clip. Make sure the loudest part of the clip pushes the input meter almost to the top of the gauge without quite reaching maximum volume. The second method is to record the clip first, then use a sound-editing program - such as SoundEdit 16, SoundForge or CoolEdit - to apply a &quot;normalizing&quot; filter over the recording. For clips recorded at a loud enough level, the filter won't make much difference. However, for clips recorded too softly, the filter can help dramatically.
Adding Audio to Your Web Site Adventures in Information February 17, 1999 presented byEileen Flick, ISD
MPEG Layer 3, known as MP3, is a digital audio format for quick-downloading files that sound almost as good as CDs. Compresses at 12:1; a five-minute CD song takes about 50 megabytes of storage space, an MP3 file of the same time length, occupies only about 4~5MB.
20 second 44KHz 16 -bit 1:1 = 1.7MB || Same file encoded to MP3 = 333K
What you need to listen to MP3:
Player like WinAmp (PC) or MacAmp (Mac)
Portable player, like the Rio from Diamond Multimedia
What you need to create MP3:
Digitized sound & an encoder to copy sound from a source (like a CD)
Various shareware tools can do this:
MusicMatch Jukebox (PC) - can record sounds (ripper) & encode them