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Questions tagged [pitch-shifting]

By definition pitch shift is a DSP technique able to change the pitch of audio signal without change speed the pitch of sound is raised or lowered, is characterized as a sound effects, there are different methods based in time domain or frequency domain which can be used to obtain this effect.

By definition pitch shift is a DSP technique able to change the pitch of audio signal without change speed the pitch of sound is raised or lowered, is characterized as a sound effects, there are different methods based in time domain or frequency domain which can be used to obtain this effect.

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Midi music pitch shift not working for iOS in Swift

I have a simple app with a keyboard to play music notes. My issue is that I am trying to add a slider to bend the note pitch, but the pitch is not shifting. No errors or anything, the note continues to play without any change in pitch. I know there…
Fife
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How to pitch the recorded sound

1) I want to make an Iphone app like Talking Tom. I have downloaded the sample example from :--> https://github.com/zoul/Finch site. It plays fine with given audio file. But I want to play my recorded file with pitch effect. My problem is when I…
user782528
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how to convert a female voice into male voice using python

Is there any way to convert female voice sound (.wav) into a male voice. I have tried librosa.effects.pitch_shift function but its decreasing the sound qaulity and creating too much echo Might be possible I'm miss handling parameters so here is…
Ashba jawed
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Change Audio Player function became Live Web Audio Input with Pitch Shift effect

I found a code snippet in the form of a function to change the pitch of the audio being played. I want to change it to a function to change pitch when live input using microphone web-audio. I have tried but it still doesn't work. I need help. This…
Hedi Herdiana
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Sound is playing only for the first time using AVAudioEngine in iOS

I have a sound file which listens as beep sound and I have to play this sound repeatedly with changing its pitch depending on some condition. I am using AVAudioEngine, AVAudioPlayerNode, and AVAudioUnitTimePitch to achieve this objective. There are…
Simant
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How to change the value of an audio file's Pitch

I'm developing an app in Android to change the all recorded audio files by men voice to the women voice. I found a solution to change the Pitch value of an audio file by PlaybackParams in MediaPlayer. Here's my code for changing Pitch…
aligh_d
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Doppler effect naudio

If I understand correctly, in order to achieve a doppler effect in my wav file I have to alter its frequency. In my project with the Naudio library I have implemented a Isampleprovider and have access to the individual samples(float array). What do…
jon snow
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How to save the audio with changed pitch and speed iOS?

I'm able to change the pitch and speed of my audio but I'm getting problem in saving the audio with changed pitch and speed //this is method which set the pitch [self.audioEngine connect:audioPlayerNode to:timePitchEffect …
Mitesh Varu
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Audio pitch shift using objective-c - iOS

I'm making an app where I gotta record sound through microphone, change its pitch, save it in Documents Directory and play it. I have accomplished the recording and playing part successfully via AVRecorder and AVAudioPlayer. But I'm unable to change…
Hyder
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android ndk pitch shifting

I am developing an app for android using the native pitch shifting cpp code available here: www.dspdimension.com/admin/pitch-shifting-using-the-ft/ the app will read wav files, change its pitch and then write back the file on the sd card. The…
Sumit
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Non-realtime pitch shift function for swift or objective c

I'm adding some new features to the audio player in my app KeyStage. One of the features that I wanna add is the transpose functionality. I found a real-time pitch shifter unit in AVAudioEngine, but it outputs the signals with approximately…
Ali Gokturk
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How to properly use pitch_shift (librosa)?

I try to use the librosa and pitch_shift from librosa. I recorded some my voice and used this code: sampling_rate= 44100 y, sr = librosa.load(directory, sr=sampling_rate) # y is a numpy array of the wav file, sr = sample rate y_shifted =…
tomm
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How to pitch shift?

How can I pitch-shift audio preferably without modifying the file? I need to change the pitch without changing the speed. I have a .wav and a .mp3 version of the same sound file if I can only use one or the other.
Jacbo
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Finding pitch and changing it in MATLAB

Good morning, I'm having trouble with pitch finding and shifting in MATLAB. The program compiles but when i try to sound the shifted track it exits a strange sound and the pitch found isn't correct. What's the problem? [audioIn,fs] =…
Lory97
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How to demodulate amplitude – "Ocean" pitch shifting method

I'm implementing the pitch shifting method described in Nicolas Juillerat & Beat Hirsbrunner's 2010 paper "Low Latency Audio Pitch Shifting in the Frequency Domain". I've got most of the algorithm implemented so far (here's the code if you're…
jconst
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