Video Compression with Roxio Crunch

Roxio Crunch

Sonic Solutions, the developer of Roxio Toast Titanium, released Roxio Toast last week. What is it for? Roxio Crunch is an MPEG-4 exporter especially designed for Apple TV and Video iPod. Okay. But if I already have QuickTime Pro, is it something that I would still like to have? And here comes another question. Does it read MPEG files? If it reads MPEG files, does that mean Roxio Crunch can decode and transcode MPEG into MPEG-4 with or without MPEG-2 Playback? How about AC3, AVI and WMV?

Video compression is a complicated task involving different audio and video compressors under different multimedia formats. There are many factors to take into consideration. Those factors are audio compressor, audio data rate, sample rate, video compressor, video data rate, keyframe, resolution and so forth.

This video tutorial comprehensively answers some of the basic questions about video compression in general. Using Roxio Crunch, you will have a basic understanding of audio and video bit rates, keyframe, and other input components necessary to make video compression possible for Apple TV and iPod. Moreover, we answer the following questions about Roxio Crunch.

  • Do you or do you not need MPEG-2 Playback Component in dealing with MPEG files?
  • Does Roxio Crunch decodes and transcode AC3 into AAC?
  • Does Roxio Crunch decodes and transcode WMV2 and WMV3 into MP4?
  • Which multimedia formats does Roxio Crunch reads?

  • In this video tutorial, we attempt to read the following video formats and files. AVI, ISO (disc image containing Video_TS), MOV, MP4, MPEG, Video_TS and WMV.

    Roxio Crunch video tutorial Roxio Crunch video tutorial

  • Roxio Crunch version: 1.0
  • VLC version: 0.8.6
  • Video length: 13 minutes 6 seconds
  • Video format: QuickTime
  • Video compression: H.264
  • Video resolution: 1080 x 675 pixels
  • Audio effects: Enabled
  • Audio commentary: Enabled

  • Mac video tutorials   Mac video tutorials

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    Roxio Crunch is a product of Sonic Solutions.

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