> I tried to do crossing with my guitar but the signal was too complex.
>
>
> ----- Original Message ----
> From: "BobGardner@aol.com" <BobGardner@aol.com>
> To: AVR-Chat@yahoogroups.com
> Sent: Monday, 2 April, 2007 7:55:04 PM
> Subject: Re: [AVR-Chat] Frequency meter
>
>
>
>
>
>
>
>
>
>
>
>
>
> So what? he doesnt want to do spectral analysis, he wants the
> fundamental, which is the time between zero crossings. If you
> know 'about' the freq to expect, you can amplify and low pass
> the string to get rid of a lot of the harmonics. I always help
> the guitar tuner out by turning down the tone control to get
> rid of the highs so the tuner can find the fundamental easier.
> Seems to help somewhat.
>
>
>
> -----Original Message-----
>
> From: harrabylad@yahoo. co.uk
>
> To: AVR-Chat@yahoogroup s.com
>
> Sent: Mon, 2 Apr 2007 2:09 PM
>
> Subject: Re: [AVR-Chat] Frequency meter
>
>
>
> The signal from a guitar is rarely sinusoidal.
>
>
>
> ----- Original Message ----
>
> From: "BobGardner@aol. com" <BobGardner@aol. com>
>
> To: AVR-Chat@yahoogroup s.com
>
> Sent: Monday, 2 April, 2007 6:59:20 PM
>
> Subject: Re: [AVR-Chat] Frequency meter
>
>
>
> There is a guitar tuner project at avrfreaks... in general, you
>
> apply the signal to be measured to the analog comparator, count clocks
> between
>
> edges using input capture.
>
>
>
> -----Original Message-----
>
>
>
> From: microbrix@gmail. com
>
>
>
> To: AVR-Chat@yahoogroup s.com
>
>
>
> Sent: Mon, 2 Apr 2007 1:35 PM
>
>
>
> Subject: Re: [AVR-Chat] Frequency meter
>
>
>
> On 4/2/07, negink63 <negink63@yahoo. com> wrote:
>
>
>
>>
>
>
>
>> Hi
>
>
>
>> I want to make a tuner an I do not know how I can measure the frequncy
>
>
>
>> of an analog signal with AVR. I will be really appriciated If somebody
>
>
>
>> could help me.
>
>
>
> Tune a Radio, Tune a guitar, Tuna Piano, Tuna Fish?
>
>
>
> [Non-text portions of this message have been removed]
>
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