@TSK
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@IamSONIC
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4. Adding support for the digital outputs of modern sound cards.
Digital output of my ESI Juli@ sound card works just fine ! And AFAIK it's not the CPU converting sound from digital to analog. It's the hardware on your sound card that does the job.
I originally wrote
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4. Adding support for the digital outputs of modern sound cards. In drivers and their related control panel. This would also boost DVD playback (especially) on the low entry OS 4 machines, cause currently the cpu has to convert the digital ac3 audio stream to stereo which costs a significant amount of performance. When using digital audio out - no need for audio processing -> just pass through !
What you mean is that your sound card converts everything (you normally hear with the analog stereo plug) to digital audio which is called PCM Audio, what i mean is (marked bold in my own quoted text) is
AC3 - Audio and that you can hear anything from it, you have to install this tiny piece of software
OS4 AC3 Audio Codec.
And this tiny piece of software is 100% executed by the CPU in our Amigas, without it, at least with DvPlayer you will hear no Sound when playing mpeg files muxed up with AC3 Audio ! But when just
passing through the AC3 Audio Stream the CPU and the Audio Chip have to do a really easy job, cause the DECODING is done by external AC3-Decoder Hardware such as an amplifier.