[sdiy] Drum sample playback

[cheater00 cheater00]

That makes sense but only if he has a voltage controlled reconstruction
filter which I don't see on the board.

On Mon, 17 Apr 2017 03:26 Quincas Moreira, <quincas at gmail.com> wrote:

> I think it's different on the Tsunami. From what I understood of my
> conversation with Jamie the designer, it shifts the whole playback sample
> rate of the board, which is why you can't do it to individual samples, only
> to all of them
>
> On Sun, Apr 16, 2017 at 8:13 PM, cheater00 cheater00 <cheater00 at gmail.com>
> wrote:
>
>> That is unfortunately not true. The quality of pitch shifting depends on
>> the interpolation and resampling algorithm, not the base sampling rate.
>> With inferior resampling, pitching down will result in major audible
>> aliasing, sometimes even worse than shifting up. An increased sampling rate
>> can also in fact produce worse results, sometimes on tge order of how many
>> times you can divide it by 44.1 kHz. So for simpler resampling algorithms
>> that are abused, 88.2 kHz will produce aliases of ~twice the power as you
>> would get if your base sampling rate were 44.1 kHz.
>>
>> On Sun, 16 Apr 2017 22:01 Quincas Moreira, <quincas at gmail.com> wrote:
>>
>>> It's 44.1khz, so you can pitch down quite a bit before losing nyquist
>>> completely. Pitching up will not generate sound quality issues at all.
>>>
>>> On Sun, Apr 16, 2017 at 2:30 PM, Tom Wiltshire <tom at electricdruid.net>
>>> wrote:
>>>
>>>> I think that's what R.G.Keen ironically calls "ASMOP" - A Simple Matter
>>>> Of Programming.
>>>>
>>>> If it's got the audio input, then it must be possible in some form or
>>>> other. Actually making it work may be straightforward or might be a lesson
>>>> in pain.
>>>>
>>>> On 16 Apr 2017, at 18:16, Quincas Moreira <quincas at gmail.com> wrote:
>>>>
>>>> The one thing I wish this board could do is actually record. It has a
>>>> stereo audio input pair, maybe it's a possible firmware hack to get it to
>>>> sample rather than just play back?
>>>>
>>>> Sent from my iPad
>>>>
>>>> On Apr 16, 2017, at 10:34 AM, cheater00 cheater00 <cheater00 at gmail.com>
>>>> wrote:
>>>>
>>>> So guys let's talk more about the sampler board
>>>>
>>>> That would be nice
>>>>
>>>> On Sun, 16 Apr 2017 11:21 David Moylan, <dave at westphila.net> wrote:
>>>>
>>>>> I don't think this is quite correct.  Once you get into frequency
>>>>> dependent circuits (filters) you move into more complex math.
>>>>> Thankfully, things like Laplace transforms make most of it algebra.
>>>>> Still, if you understand the basic filter topologies you can accomplish
>>>>> a lot by playing with circuit values in a simulator.
>>>>>
>>>>> On 04/16/2017 11:03 AM, Gordonjcp wrote:
>>>>> > On Sat, Apr 15, 2017 at 04:10:14PM -0700, Kylee Kennedy wrote:
>>>>> >> I know this is getting a little off topic from the original idea
>>>>> but as
>>>>> >> someone who took the art school route and didn't have to do Math
>>>>> classes
>>>>> >> after High School (Pre-Trig/Calculus classes) I feel I lack the
>>>>> Math part
>>>>> >> of designing circuits. Which textbooks could people recommend for
>>>>> going
>>>>> >> back and learning the basics for EE math work? Would it be all
>>>>> Algebra or
>>>>> >> what?
>>>>> >
>>>>> > You don't really need any maths to understand electronics, until you
>>>>> start to get to the sort of things you won't find in synthesizers like
>>>>> transmission lines.  It's arithmetic all the way.
>>>>> >
>>>>> > 90% of electronic design is Ohm's Law, and the rest you can just
>>>>> crib from the datasheets.
>>>>> >
>>>>>
>>>>> _______________________________________________
>>>>> Synth-diy mailing list
>>>>> Synth-diy at synth-diy.org
>>>>> http://synth-diy.org/mailman/listinfo/synth-diy
>>>>>
>>>> _______________________________________________
>>>> Synth-diy mailing list
>>>> Synth-diy at synth-diy.org
>>>> http://synth-diy.org/mailman/listinfo/synth-diy
>>>>
>>>> _______________________________________________
>>>> Synth-diy mailing list
>>>> Synth-diy at synth-diy.org
>>>> http://synth-diy.org/mailman/listinfo/synth-diy
>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Quincas Moreira
>>> Test Pilot at VBrazil Modular
>>>
>>
>
>
> --
> Quincas Moreira
> Test Pilot at VBrazil Modular
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://synth-diy.org/pipermail/synth-diy/attachments/20170417/cf061cff/attachment.htm>