I am considering using OGG for sending mono files across the net. OGG sounds great and I like the philosophy. But when I compress a mono file using OGGDROP or OGGENC Beta4, I can only get compression ratios of about 3:1. If I take the original mono file and convert it to stereo, then encode it, I can get a compression ratio of about 10:1. So the final encoded file for stereo is actually smaller than the one for mono! I am encoding short voice and music files that are only a few seconds long at 128kbps. Has anyone else seen this odd behavior? Can I get good compression ratios for mono files using the OGG SDK? Thanks, -- Phil Burk http://www.softsynth.com --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send a message to 'vorbis-request@xiph.org' containing only the word 'unsubscribe' in the body. No subject is needed. Unsubscribe messages sent to the list will be ignored/filtered.
On Wed, Mar 28, 2001 at 06:47:13PM -0800, Phil Burk wrote:> But when I compress a mono file using OGGDROPOggDrop does [roughly] 128kbps, stereo or mono; that means the output rate is the same regardless of input. The drawbacks of a maximally simple tool.> or OGGENC Beta4, I can > only get compression ratios of about 3:1.If you're compressing mono, tell it the mono bitrate you want, not the equivalent stereo rate. The tool is doing what you tell it to, not what you think it should be doing in this case :-) Monty --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send a message to 'vorbis-request@xiph.org' containing only the word 'unsubscribe' in the body. No subject is needed. Unsubscribe messages sent to the list will be ignored/filtered.