Emax

Thanks! Sp-12 and 1200 are similar aside from what you mentioned?
On Feb 17, 2012 9:00 AM, "jammie" <jammie.emma@...> wrote:

> **
>
>
> the sp12 uses descrete 12bit dacs and all the voice is discrete parts like
> the EII
>
> the emax uses the s chip which use the compresion system like the EII and
> also its in charge of memory thats why its fixed to 512k as thats all it
> can
> address
>
> the sp12 has 8 slots for samples so 8 samples can be used at 1 time but
> you
> can also use the internal sample rom so if you want to sample longer
> samples
> and just use 2 pads you can that way
>
> the sp12 just sounds so nice but it only has 2 ssm2044 filters on 2 drum
> tracks unlike the emax which has 8 filters
>
> the input adc and outputdacs are nothing special just the run of the mill
> that was available at the time
>
> the timing is much tighter than the emax for drums
>
> but you have to save sounds on 5 !/4 inch floppies to a commodore floppy
> drive
>
> or you can save the samples to tape which takes about the same time as
> floppy any way
>
> the sp12 is very digital 12bit harsh for 6 of the outputs the other 2 are
> filtered by the ssm chips
>
> but for drums the sp12 turbo is better sounding than the sp1200
> ----- Original Message -----
> From: "Matt" <somatt@...>
> To: <emax@yahoogroups.com>
> Sent: Friday, February 17, 2012 4:32 PM
> Subject: Re: [emax] Re: How can I dither samples to 12 bit for EMAX?
>
> >I had no idea of this. Can you elaborate on other differences between the
> > emax and the sp-12/1200?
> > Thanks
> > Matt
> > On Feb 16, 2012 2:49 PM, "esynthesist" <esynthesist@...> wrote:
> >
> >> **
> >>
> >>
> >> Yes I'm on this group ;)
> >>
> >> Actually the codec is converting 16 bit directly into the 8 bit data as
> >> required by the Emax. The 8 bit audio data in the Emax is a non-linear
> >> conversion of the original higher resolution audio data.
> >> It uses a smart conversion algorithm (belonging to the u-law family as
> >> used in analog telephony. It tries to make the 8 bit audio data sound
> >> like
> >> "12-bit quality" instead of just linear "8-bit quality" as can be found
> >> in
> >> cheap samplers like the Ensoniq Mirage.
> >>
> >> This compression algorithm is also applied within the Emax itself and by
> >> the Emax-II when it compresses/saves the bank into 8-bit. The same
> >> principle (but different algorithms) are also applied in the Emulator-II
> >> and the Emulator-I.
> >> The algorithm has been chosen by E-Mu in such a way that it gives the
> >> best
> >> results for the most common musical sounds.
> >> But the algorithm is weak when applied to some specific sounds,
> >> especially
> >> percussion sounds.
> >> You get similar problems when you sample such sounds on the Emax itself,
> >> although I have to admit that from time to time they sound somewhat
> >> better
> >> than the software conversion versions generated by Emax-II or EMXP.
> >>
> >> E-Mu must have been very aware of the weakness of their compression
> >> technique for percussion sounds, because the SP-12/1200 drum computers
> >> are
> >> NOT using 8-bit compression on their sampled sounds. The drum computers
> >> store their samples in 12 bit resolution, which means sampling time was
> >> sacrificed in favour of sound quality.
> >> Which is a good choice, because percussion sounds are incredible on the
> >> SP-12 !
> >>
> >> ///E-Synthesist
> >>
> >> --- In emax@yahoogroups.com, Nik Kinloch <nikkinloch@...> wrote:
> >> >
> >> > The EMXP manual says:
> >> >
> >> > "Resolution conversion: the bit depth of the sound data may be
> >> > converted, e.g. from 16 bit to 12 bit. However, with the current
> >> > sampler
> >> > formats supported, this conversion only takes place when converting to
> >> > Emulator-II and Emax-I. In these conversions a special codec is being
> >> > used since the resolution conversion is not linear."
> >> >
> >> > So it sounds like some conversion is happening, but from our
> experience
> >> > it is not optimal. Perhaps someone can ask Kris Van de Cappelle (is he
> >> > on this group?) about this? Maybe it just needs a tweak. I hear the
> >> > aliasing as well esp on low frequency sounds with a tail (for example,
> >> > long bass drums).
> >> >
> >> > izotope Ozone apparently can dither to 12 bits then save to 16 bit
> file
> >> > (last 4 bits are zeros), this would seem ideal. Anyone tried it?
> >> > http://www.izotope.com/support/help/ozone/pages/modules_dithering.htm
> >> >
> >> > Nik
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > On 16/02/2012 15:34, zrennaya wrote:
> >> > >
> >> > > Hi!
> >> > >
> >> > > Thanks for your input! I gave up on the 12 bit render thing as you
> >> mentioned there's no tool that converts to 12 bits.
> >> > >
> >> > > On the other hand I experimented with some dithering types and I
> >> actually managed to reach the quality of factory samples in terms of
> >> noise
> >> and aliasing (using the L1). So far I couldn't get that quality from the
> >> emax ADC inputs!
> >> >
> >>
> >>
> >>
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
> > ------------------------------------
> >
> > Emax and Emax II User's Group Website
> >
> > http://www.silveriafamily.comYahoo! Groups Links
> >
> >
> >
>
>  
>


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