Stack Overflow
Stack Overflow

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
8
votes
7 answers

what is a good programming language for music software?

i want to write a music software that can play music, can detect pitch of the sound taken from the computer's microphone(with an algorithm that uses sound filters to filter out frequencies), and enables a good user interface. something similar to …
serdar karatekin
  • 97
  • 1
  • 1
  • 3
8
votes
6 answers

How to detect sound frequency / pitch on an iPhone?

I'm trying to find a way to detect sound frequency being recorded by iPhone's Microphone. I'd like to detect whether the sound frequency is going up or down.
Piotr Usewicz
  • 620
  • 2
  • 6
  • 13
8
votes
1 answer

WAV File Synthesis From Scratch - C

Recently I saw a video lecture in my CS 101 class that inspired me to start playing with the WAV File Format in C. My project today has been creating sounds using a simple mathematical sine function. Despite a couple obstacles, my program can now…
Kokopelli
  • 371
  • 2
  • 8
7
votes
1 answer

Implementing Madgwick IMU algorithm

I'm trying to use Sebastian Madgwick's IMU algorithms to obtain roll, pitch and yaw from my sensor, which is an MPU-9150. The folder I downloaded came with some sample data, and I just replaced this data with my own, making sure to keep…
jrandj
  • 175
  • 2
  • 4
  • 11
6
votes
1 answer

OpenAl pitch values for particular musical notes in an octave

I have an OpenAl sound engine on my iPhone app. When I play a sound that I have loaded, I can control it's pitch. In OpenAl a pitch set to 1.0 has no effect. If you double it to 2.0, it plays the note 1 octave higher(12 semitones). If you halve it,…
Jonathan
  • 621
  • 1
  • 11
  • 27
6
votes
2 answers

c# Pitch shift of wave files

I'm currently trying to do pitch shifting of a wave file using this algorithm https://sites.google.com/site/mikescoderama/pitch-shifting Here my code which use the above implementation, but with no luck. The outputted wave file seems to be corrupted…
Francesco
  • 4,794
  • 1
  • 19
  • 27
6
votes
1 answer

Detecting musical notes from a recording

I'm woking on a project for my thesis in computer science. It aims at implementing an application that allows the user to sing or whistle a melody in the pc's or smartphone's microphone and will identify which notes have been sung. I need to first…
Francesco
  • 69
  • 1
  • 5
5
votes
4 answers

FFT Pitch Detection - Melody Extraction

I am creating a pitch detection program that extracts the fundamental frequency from the power spectrum obtained from the FFT of a frame. This is what I have so far: divide input audio signal into frames. multiply frame with a Hamming…
my MDB
  • 129
  • 1
  • 2
  • 10
5
votes
2 answers

How to change the pitch with JavaScript?

Let’s say you have an audio variable called audio and it stores a sound. I know how to change the speed for example: audio.playBackRate = 2; But I don't know how to change the pitch. Is there an audio.pitch attribute or do I have to create it…
chipmunkpassion
  • 51
  • 1
  • 2
5
votes
1 answer

Android orientation as steering - roll corrupting pitch?

I am working on a project which includes an Android application which is used for controlling/steering. Speed: When you tilt the phone forward/backwards (pitch) it simulates giving gas and breaking. Direction: When you tilt the phone left/right…
steurt
  • 113
  • 1
  • 9
5
votes
1 answer

Pitch problems in landscape mode

I need to read the pitch value (how much the phone is tilted backwards and forwards) both in portrait and landscape modes. using the code bellow in portrait I get my value from value[1] with 0.0 when phone stay laying flat with face up, -90 when…
Alex
  • 2,213
  • 4
  • 32
  • 44
5
votes
2 answers

Controlling Sound Pitch With Actionscript 3.0?

after browsing the documentation for the sound classes, it seems there is no way to control sound pitch with Actionscript 3.0. there is only the ability to control volume and pan. why is there no pitch property? it's the only sound property…
Chunky Chunk
  • 16,553
  • 15
  • 84
  • 162
5
votes
3 answers

change pitch of multiple audio files with Sox

I am intending to take my entire music collection and change the pitch from the original recorded a=440hz to the more natural sounding/feeling a=432hz. For those of you who are not familiar with this concept, or the "why" for doing this, I highly…
user2946608
  • 51
  • 1
  • 3
4
votes
3 answers

Multiple pitch detection: FFT or other?

I've researched fast fourier transforms and have not been able to see a way for them to decode multiple frequencies from one signal. Is there a way to decompose the result of an fft calculation so that we can see individual pitches in a chord, or…
Adam
  • 3,668
  • 6
  • 30
  • 55
4
votes
4 answers

Android Pitch and Roll Issue

I am working on a tilt app for Android. I am having an issue with Portrait & landscape mode. When the pitch = 90 degrees (phone on end) and even slightly before the roll value goes crazy when there has been no physical change in roll. I have not…
user1234051
  • 271
  • 1
  • 3
  • 9
1
2
3
…
17 18