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wuerthne> ShareFS is not a real-time system; if the data arrives just 500ms late it doesn't matter. If audio data arrives late or isn't decompressed promptly then the distortion is very noticable and equally distracting.

For one-way playback of CD audio, MP3s and DVD, for example, the usual workaround is to have a large buffer and to slightly delay playback with respect to the incoming data. This, of course, is not a workable solution for a two-way conversation which requires low latency.

I believe that in the present RO multitasking environment and/or the presence of background activity such as ShareFS network traffic, a VoIP client will not perform well unless driven from a periodic IRQ with RO as it stands. For example, loading a multi-megabyte file into memory is sufficient to break up or halt audio that relies upon CallBacks.

 is a RISC OS Useradrianl on 31/10/05 5:30AM
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