Commodore 64 Music in the real world & other related SID stories

Saturday, September 17, 2005

Ensoniq Mirage Applications for the C64

After designing the SID for Commodore, Bob Yannes co-founded the well known Ensoniq Synthesizers company.

Those who are lucky to own an Ensoniq Mirage Sampler will be happy to know about the Mirage Data Displayer and MirageFreq.

M - Mirage Data Displayer allows you to display Program, Envelope and Wavesample parameters of the Mirage on the screen of your Commodore 64 and it also includes a 'graphical' display of the waveform (256 samples at a time). Apparently the author finds it useful as a looping tool and for editing since he can see the parameters for all four programs at a glance.

MirageFreq essentially does one thing - it generates a tone that matches the current sampling rate of an Ensoniq Mirage. It does this by requesting the current sample rate via MIDI (MASOS 2.0 must be booted up), and then calculating the sample rate and producing a tone on the Commodore SID chip. The reason this is important has to do with the way the Mirage handles short loops. To work correctly, the length of a short loop should be a power of two: one, two, four, etc. and the number of the first page of the loop should be divisible by the length of the loop.

If I would have the Mirage I would dedicate a 64 just for these 2 tools. I personally own an Ensoniq ESQ-1 and I still haven't found something like this for it, so enjoy it if you have the Mirage.


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