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Questions tagged [pitch]

a perceptual property of sounds governed by the frequency of vibrations.

a perceptual property of sounds governed by the frequency of vibrations.

256 questions
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LilyPond: pitch in parenthesis without stem (accordion notation)

For accordion music sheet notation it is common to specify the pitches in parenthesis, e.g. (E in parenthesis in the snippet below). This is my target: The pitches in parenthesis (1) are not played and should not take up additional logical time…
selyunin
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Determining roll angle (up/down) when Android phone is horizontal?

When the Android phone is on its side (horizontal orientation), the Roll represents the tilt, so to speak. When the phone is perpendicular to the ground (looking directly at the screen), the roll says 90. However, when you start tilting it forward…
user484527
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How to implement my own HPS algorithm?

I'm starting a project on Python where I need to develop a pitch-detection system, basically what I have to do is to record a sound coming from a guitar string, then Identify which is the tone of that sound. I have read and searched through websites…
Teddy S.
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How to implement a Pitch Effect in Java? (FFT, IFFT, Amplitude, Phase)

I use the apache commons math library for transforming the FFt and IFFT on my audio sample buffers. The outout of the FFT gives me an array of complex numbers. The frequencies mirror in the middle. With a sample buffer size of 4096 samples I get…
thiloilg
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How to send midi pitch bend messages correctly in c?

I'm trying to make a custom midi player, to do so I'm using an array that has already memorized correctly the midi messages data like this: int array[3000][4]={{time,status,data1,data2},{...},...} when I want my program to send the midi message (so…
Febio Mosca
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Is there a ready-made formula to get Pitch/Roll values from iPhone 3GS's Accelerometer's X/Y/Z?

Just started to realize an augmented reality based project, got GPS location, heading, and the two missing variable to manipulate virtual camera is Pitch/Roll. I'm wondering if there is a ready-made formula I can merge into the project. Could spare…
Geri Borbás
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Detect roll and pitch ios7

Which way is the best for detecting rolling and pitching? I tried to do with this code: - (void)viewDidLoad { [super viewDidLoad]; self.motionManager = [[CMMotionManager alloc] init]; self.motionManager.accelerometerUpdateInterval…
Jiri K
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How to change pitch beyond 1 or -1 in C# + XNA?

I need to be able to have more freedom than just 2 octaves to create the thing I want to, but I can't with XNA. I do realize there probably isn't a way to get the program to accept a larger/smaller value, but is there a way around it? like taking…
user3542115
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Rotating around X affects Roll. How to eliminate this?

I'm using android's TYPE_ROTATION_VECTOR sensor to determine rotation around x,y and z and use these measures in my application in a certain way. But when I rotate phone around X axis, roll value (rotation around Y) also changes. And I don't want…
Nazerke
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Autocorrelation returns random results with mic input (using a high pass filter)

Sorry to ask a similar question to the one i asked before (FFT Problem (Returns random results)), but i've looked up pitch detection and autocorrelation and have found some code for pitch detection using autocorrelation. Im trying to do pitch…
Niall
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Set pitch of a song being played in Android MediaPlayer

I need to set the pitch of a song being played in a media player.I know that the Sound Pool helps to set the pitch but I use the MediaPlayer(since I need Reverb effects too) for playing tracks and I need to set the pitch of the track being played…
Sreekanth Karumanaghat
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How to compute yaw, pitch roll from a rotation matrix?

I have to compute in Android yaw, roll, pitch from gyroscope´s smartphones output and I wrote this code: if(event.sensor.getType()==Sensor.TYPE_GYROSCOPE){ float xgyr=event.values[0]; //rotation around x-axis [rad/sec] …
user1753037
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changing the pitch of an audio wav file in matlab?

How do you go about changing the pitch of an audio signal in matlab?. Essentially I just want to change the original qualities of the audio signal without making a dramatic change. I'm trying to use the original input audio to simulate a chorus by…
silent
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Android compass: different Azimuth values depending on Pitch

I'm developing an app and I need to use camera and compass simultaneously. The problem is that the value of Azimuth changes depending on the one of Pitch (in other words if I'm holding the phone or I put it on the table), and It seems like there's…
Il Untakatapuntaka
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How to get a list of notes present in a wav file?

I am writing a program to help people learn guitar. To do this, I need to be able to look at a sample of time and see what note(s) they played. I looked at FFTW but I don't understand how to get this to work. I also tried to figure out the Goertzel…
Skyler
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