[sdiy] how to view a quantizer staircase on a scope?

[Dan Snazelle]

i think i have just gone back to using my ears to tune it

i was using a vco to drive the quantizer...i too am confused as to how to spell it!!!

thanks



--------------------------------------------
check out various dan music at:

http://www.myspace.com/lossnyc

(updated monthly)

http://www.soundclick.com/lossnyc.htm



http://www.indie911.com/dan-snazelle

(or for techno) http://www.myspace.com/snazelle

ALSO check out Dan synth/Fx projects:

AUDIO ARK:

www.youtube.com/watch?v=TJRpvaOcUic

www.youtube.com/watch?v=BqIa_lXQNTA&feature=channel_page

www.youtube.com/watch?v=V4nJPjGgOcU&feature=channel_page

and soundtrack/design work:

NEW: check out Dan's sound design from the 1998 award winning film SAFARI by catherine chalmers

http://www.catherinechalmers.com/videos.cfm






----------------------------------------
> Date: Mon, 18 May 2009 16:59:34 +1000
> From: stewpye at optusnet.com.au
> To: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] how to view a quantizer staircase on a scope?
>
> I sent this about 10 hours ago but it didn't seem to get through, so
> here it is...
>
> Hi Dan,
>
> I think everyone assumed when you mentioned VCO that a sawtooth wave
> from the VCO was driving the input of the quantizer.
>
> So, put a sawtooth signal from the VCO into channel 1 of the CRO and to
> the input of the quantizer. Put the output of the quantizer into channel
> 2. Trigger from channel 1.
>
> I guess you could check it using x-y mode too. I assume that would look
> like a square wave but you could see any difference in the steps. Am I
> visualising this correctly?
>
> On a side note - Is the Australian-English spelling "quantiser". I
> instinctively wanted to type it that way. We dont use Z's so much down here!
>
> Regards,
> Stewart.
>
>
> Dan Snazelle wrote:
>> ok
>>
>> i am a bit lost as i have never done any external triggering
>>
>> here is what i think i should do
>>
>> 1, i connect the output of the quantizer to my vco input
>>
>> 2. i connect the square output of the vco into the channel 2 of my scope
>>
>> 3. i set trig mode to channel 2
>>
>> 4. i plug channel A of the scope INTO the output of the LFO i am driving the quantizer with (a saw wave)
>>
>> correct?????
>>
>>
>>
>>
>>
>>
>> --------------------------------------------
>> check out various dan music at:
>>
>> http://www.myspace.com/lossnyc
>>
>> (updated monthly)
>>
>> http://www.soundclick.com/lossnyc.htm
>>
>>
>>
>> http://www.indie911.com/dan-snazelle
>>
>> (or for techno) http://www.myspace.com/snazelle
>>
>> ALSO check out Dan synth/Fx projects:
>>
>> AUDIO ARK:
>>
>> www.youtube.com/watch?v=TJRpvaOcUic
>>
>> www.youtube.com/watch?v=BqIa_lXQNTA&feature=channel_page
>>
>> www.youtube.com/watch?v=V4nJPjGgOcU&feature=channel_page
>>
>> and soundtrack/design work:
>>
>> NEW: check out Dan's sound design from the 1998 award winning film SAFARI by catherine chalmers
>>
>> http://www.catherinechalmers.com/videos.cfm
>>
>>
>>
>>
>>
>>
>> ----------------------------------------
>>
>>> CC: synth-diy at dropmix.xs4all.nl
>>> From: tom at electricdruid.net
>>> Subject: Re: [sdiy] how to view a quantizer staircase on a scope?
>>> Date: Sun, 17 May 2009 17:27:19 +0100
>>> To: subjectivity at hotmail.com
>>>
>>> no, don't use X/Y mode. At least, I wouldn't.
>>>
>>> I'd stick the staircase into one input and the VCO into the other,
>>> set to some easy-to-trigger-from waveform like a ramp or square, and
>>> then set the trig to the VCO channel. Then just set the timebase long
>>> enough that you can see a couple of wavecycles and you can compare
>>> the VCO output with the quantizer output.
>>>
>>> T.
>>>
>>>
>>> On 17 May 2009, at 16:12, Dan Snazelle wrote:
>>>
>>>
>>>> quick question
>>>>
>>>> how does one go about viewing/testing a stairstep on a scope?
>>>>
>>>> do i put it into x/y mode and put one probe to the output and one
>>>> to the vco?
>>>>
>>>> i was told this is how to test the quantizer
>>>>
>>>>
>>>> thanks so much!!
>>>>
>>>>
>>>> _______________________________________________
>>>> Synth-diy mailing list
>>>> Synth-diy at dropmix.xs4all.nl
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>>>>
>>>>
>>>
>>
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>
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