K4Guitune 1.1.1

Tune musical instruments

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What's new in K4Guitune 1.1.1:

  • Fixed a crash when /dev/dsp is already in use. Now an error messagebox is displayed.
  • Fixed a bug that caused settings to be changed only after application restart and not immediately after that change.
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LICENSE TYPE:
GPL (GNU General Public License) 
USER RATING:
UNRATED
  0.0/5
DEVELOPED BY:
William Spinelli
HOMEPAGE:
wspinell.altervista.org
CATEGORY:
ROOT \ Multimedia \ Audio
2 K4Guitune Screenshots:
K4GuituneK4Guitune
K4Guitune is a program to tune a musical instrument using your computer and its microphone or line-in input. The pitch detection algorithm is based on finding the first peak in the autocorrelation of the input signal.

K4Guitune offers:

 * two systems of musical tuning: equal temperament and just intonation;
 * three reference pitches: normal (440 Hz), French (435 Hz) and scientific (430.54 Hz);
 * three sets of note names: English, German and Italian.

K4Guitune is a port to KDE4 of K3Guitune.

The estimated pitch is displayed on a bar. The detected pitch is shown by two triangles, showing whether the estimated pitch is lower or higher than the correct one. When they are both shown, as in the current example, the note is perfectly in tune (error < 2.5 cents).

Detailed information about the pitch detection are shown on the left: the estimated frequency is shown above and the estimated pitch is shown below. The program doesn't require to select the note to tune manually, but it will be found automatically.

The waveform of the input signal is plotted over a time scale of 20 milliseconds. The autocorrelation of the signal is displayed, with a red bar showing the estimated frequency.

The tuner uses the default OSS audio device. The desired recording source and the signal recording levels can be adjusted using a sound mixer.

Last updated on July 27th, 2010

requirements

#musical instruments #tune instruments #pitch detection #tune #musical #instruments #microphone

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