[Rwp] Stereo paning

Justin justinmacleod at hotmail.com
Tue Dec 29 16:54:19 EST 2015


This is why I think phasing with a low resonance might be more successful,

Justin

On 29/12/2015 21:51, Snowman wrote:
> Yep, you will get comb filter effect, if you hear both wet and dry 
> together.
> Of course, make sure it is not a regenerative delay with feedback, and 
> that only the wet sound is being heard.  The delays you really need 
> here are measured better in hundreds of microseconds.  If you stand 
> with a point source of a click sound straight off your left ear, and 
> if you could measure it, you would find that the signal arrives in 
> your right ear about one millisecond later than the left.  Maybe even 
> less.   So, simulating a partial head turn requires an even smaller 
> delay.
> The problem I run into is that most programmable delays won't let you 
> work in such small units, and the modulation is var too coarse.  But, 
> it's an interesting theoretical.
>
> ----- Original Message ----- From: "Justin" <justinmacleod at hotmail.com>
> To: "Reapers Without Peepers" <rwp at bluegrasspals.com>
> Sent: Tuesday, December 29, 2015 12:02 AM
> Subject: Re: [Rwp] Stereo paning
>
>
>> The trouble, that you might run into I think, with using a delay 
>> rather than a proper phazeis comb filtering. You may get the stereo 
>> field effect you want, but you may also get flanging thrown in, 
>> though I haven't experimented myself. When I introduced static delays 
>> of a few milleseconds though, it introduced ringing sounds.
>>
>> Justin
>>
>> On 28/12/2015 01:34, Snowman wrote:
>>> Regarding the effect of a sound source moveing around you 360 degrees?
>>> You might be able to simulate this effect using  phase modulation of 
>>> each channel.  You can do this by putting a small delay on both 
>>> channels, and then using an LFO to gently modulate the delay time 
>>> slightly, with the modulation of one channel inverted.  So, as the 
>>> LFO  wave form increases, the modulation will extend the delay on 
>>> one channel, and retard it on the other.  Then, on the opposite half 
>>> of the LFO waveform, the effect is reversed.  And, the modulation 
>>> amplitude needs to be pretty small.  Some delays may not give you 
>>> fine enough resolution to make the small change you need, probably 
>>> no more than a millisecond or so of modulation. But, this will 
>>> simulate the change in phase between your two ears as you turn your 
>>> head.
>>> That might be enhanced by also putting a panner in series with this, 
>>> with the LFO in sync with the phase modulator LFO.  . But, the main 
>>> point is that, what makes things sound in front of you , or behind 
>>> you, is differences in relative phase, and not so much amplitude.
>>> But another phenomenon is equalization.  Your ears focus forward, 
>>> especially for high frequencies, while sounds behind will be 
>>> slightly dampened in the highs.
>>> So, you might as well put your dynamic EQ to work, with the high 
>>> bands being modulated by the LFO as well.
>>> Anyway,  it's something to experiment with.
>>> Or, you can just find a pluggin that does the whole schmere and be 
>>> done with it.  <grin>
>>> Who needs experimentation anyway. where's the fun in that?
>>>
>>> ----- Original Message ----- From: "Tayeb Meftah" 
>>> <tayeb.meftah at gmail.com>
>>> To: "Alex H. via Rwp" <rwp at bluegrasspals.com>
>>> Sent: Sunday, December 27, 2015 2:32 PM
>>> Subject: [Rwp] Stereo paning
>>>
>>>
>>>> Hello guys
>>>> I am looking for a stereo plugin that do the following
>>>> Pan a sound from right to left or left to right or from center to 
>>>> left/right
>>>> But for example when you do from X to Y, you can heare it behind 
>>>> you in left or right, or also in front of you left or right
>>>> Pretty strange effect i heard today in a Vocal only song
>>>> Anyone know it?
>>>> Thanks
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>>>
>>>
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>
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