1. MIME Types, Video and Audio and Embedded Fonts Andy Stokes Multimedia for the Web Presentation 5

2. MIME types

3. Important Terms Lossy Lossless Bitrate codec

4. Important Terms Lossy Lossless Bitrate codec

5. Important Terms Lossy Lossless Bitrate codec

6. The original formats AU, AIFF, WAV, and MIDI

7. The original formats AIFF (Audio Interchange File Format) WAV (RIFF WAVE) AU (or Sun/NeXT audio) MIDI

8. Delivery Technologies QT (QuickTime) WMA (Windows Media Audio) RA ( Real Audio) RMF (Rich Music Format) SWA (Shockwave Audio) Liquid Audio

9. Delivery Technologies QT (QuickTime) WMA (Windows Media Audio) RA ( Real Audio) RMF (Rich Music Format) SWA (Shockwave Audio) Liquid Audio

10. Delivery Technologies QT (QuickTime) WMA (Windows Media Audio) RA ( Real Audio) RMF (Rich Music Format) SWA (Shockwave Audio) Liquid Audio

11. Delivery Technologies QT (QuickTime) WMA (Windows Media Audio) RA ( Real Audio) RMF (Rich Music Format) SWA (Shockwave Audio) Liquid Audio

12. MP3

13. Streaming Audio The buffer in WiMP

14. Streaming Audio Formats FormatDeveloperExtensionSoftware QuicktimeApple.qtQuicktime MP3Fraunhoher- Gesellschaft IIS.m3uWinamp, others RealAudioReal Networks.ramRealPlayer Liquid Audio.LQTLiquid Player Active Streaming Format Microsoft.asfWindows Media Player

15. MPEG

16. What is MPEG-1? What is MPEG-2? What is MPEG-4?

17. Future of MPEG MPEG-1 through MPEG-4 all provide for the compression and decompression of audio and video, MPEG-7 is instead a Multimedia Content Description Interface, or MCDI. An MPEG-7 file is based on XML and can contain a vast array of data about a movie, whether it be digital or on film.

18. Future of MPEG Data creation with MPEG 7 MPEG 7 applications

19. Future of MPEG MPEG 7 –Not a real standard until 2002 MPEG 21

20. Future of MPEG Cost of Implementation Copyright Considerations

21. MPEG 21 Network delivery Quality and flexibility of service Quality of content (rendering) Quality of content (artistic) Ease of use (online and offline) of services and devices Interoperability of physical media formats Payment/subscription models (online and offline) Multiplatform decoding and rendering Searching, filtering, locating, retrieving, and storing content Consumer content publishing Usage rights of consumers Consumer privacy

22. Embedded Sound Put this code in the beginning, middle, or end of your page's BODY region, depending on how much you want the reader to see before the browser starts loading the audio file

23. Embedded Sound type="audio/mpeg” for embedded mp3 Still no accepted standard MIME type for audio MP3 files Not often seen because Windows QuickTime plug-in does not register for it. Works with Macintosh Can produce varying results

24. But I have a QuickTime Movie...

27. The plugin

28. Operaweb Media Console <embed bgcolor="#FFFFFF" src="/operaweb/it/views/img/image.mov" qtsrc="rtsp://streaming.bibop.it:7070/P/ProveDomingo02.mov" width="468" height="140" type="audio/quicktime" controller="true" autoplay="true" target="myself" href="rtsp://streaming.bibop.it:7070/P/ProveDomingo02.mov" > <IFRAME SRC="http://ad.activeadv.net/html.ng/params.richmedia=yes&site=opwe&sezione= opwe-home&pos=ban-std"WIDTH="468" HEIGHT="60" MARGINWIDTH="0" MARGINHEIGHT="0" HSPACE="0" VSPACE="0" FRAMEBORDER="0" SCROLLING="NO" BORDERCOLOR="#000000"> <SCRIPT LANGUAGE="JavaScript" SRC="http://ad.activeadv.net/js.ng/params.richmedia=yes& site=opwe&sezione=opwe-home&pos=ban-std"> <IMG SRC="http://ad.activeadv.net/network/opwe/opwe_tappo_468x60.gif" ALT="Clicca qui per maggiori informazioni” WIDTH="468" HEIGHT="60" BORDER="0" />

30. <OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://active.macromedia.com/flash2/cabs/swflash.cab#version=4,0,0,0" ID=index WIDTH="759" HEIGHT="505" align="middle">

31. Embedded Fonts This is a way to get the user/viewer to see your page the way you intended it to be seen. W3C - http://www.w3.org/TR/REC- CSS2/fonts.html#encoding The big 2 browsers do it differently, of course http://www.microsoft.com/typography/web/embe dding/default.htm http://www.bitstream.com

32. Useful URLs http://www.dmamusic.org/kendavies/resour ces/webaudio.html http://www.mp3machine.com http://www.real.com http://builder.cnet.com http://www.internet.com http://www.webmonkey.com