Don Pearce wrote:
> Green Xenon [Radium] wrote:
>> geoff wrote:
>>> Green Xenon [Radium] wrote:
>>>> Hi:
>>>>
>>>> Does aliasing ever occur in non-electronic analog audio devices --
>>>> such as pianos, violins, flutes, trombones?
>>>
>>> Can you not think of somthing more im****tant to obsess about ?
>>>
>>> geoff
>>>
>>
>>
>> Please answer my question: "Does aliasing ever occur in non-electronic
>> analog audio devices -- such as pianos, violins, flutes, trombones?"
>
> All right here is a definitive answer. No.
>
> In order for aliasing to happen a signal MUST be sampled. Aliasing is a
> result of ambiguity in the shape of a signal. Any signal that is
> continuous has no ambiguity, it is totally defined. A signal that is
> sampled has gaps between the samples in which it is impossible to know
> what the signal was doing; those gaps are the area of ambiguity that
> permits aliasing. An alias is simply an alternative trajectory that will
> fit the sampled points as well as any other.
>
> d
Thank a bunch, Don. That was they type of answer I was looking for. Not
the garbage posted by the jerks who intentionally trivialize interesting
questions.
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