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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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Algorithms for implementing MIDI pitch bend messages

Are there some common algorithms for implementing MIDI pitch bend for single notes and multi voices (e.g. chords). I am implementing this in kind of an intuitive way, but I would really like to know if I am not totally off-track! For single notes I…
Student
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Pitch Shift with DirectSound

How to do pitchshifting with DirectSound in C#? I didn't find anything useful in Google. SetFrequency isn't good for me, beacuse this changes also the speed of the sound. I don't want to create a wav file for each pitch, beacuse that would result in…
user823871
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How to use granular synthesis on mic input?

I've been trying to get a good pitch shifting setup working for a while now. I've found some that work, but are pretty heavy on the computational end. I've recently been reading about granular synthesis and how it is a lighter weight setup for pitch…
user2961688
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What is the best way to go about pitch shifting in real time?

I've started working on an app that can take multiple audio tracks. They could be user input(from a mic), MIDI, or audio recordings. There is no limit to the number of tracks that could be used. I wanted to implement a kind of auto-tune type feature…
user2961688
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What is a good algorithm for pitch shifting?

I have an algorithm in place that works for audio files, but I'm trying to apply it to frames to achieve an auto tune type of effect. It shifts the pitch but makes it sound broken up or like it's skipping when I apply it to the individual frames…
user2961688
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Pitch shift in typescript

I am trying to develop a webassembly function that can shift the pitch from and audioworklet. I have the wasm module compiling(assemblyscript) and working from the worklet, but can't seem to get my pitch shift algorithm to work correctly. Is there…
user2961688
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React Native audio change pitch sound audio

I'm looking for solution in react-native to change audio file pitch on iOS, https://github.com/zmxv/react-native-sound look's like using AVAudioPlayer and that's why it's not supported for changing pitch on iOS. so my main question is there any iOS…
Iqbal
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How can I specify n_fft in Librosa pitch shifting effects

I am using the librosa pitch shift method on an ecg. pitch_shifting = librosa.effects.pitch_shift(ecg, 500, n_steps=100) The ECG is segmented at 512 values per segment, thus window is 512. Librosa defaults to n_fft=2048. How can change this? the…
axelmukwena
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Real time pitch shifting from scratch using python

I need help with a project which consists of 2 parts: real time pitch shifter in python (from scratch). switch the pitches of 2 voices from 2 different speakers. I have 2 questions: I couldn't find the proper math behind pitch shifting to…
Alireza Moradi
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Change speed and pitch of audio in real time [AudioUnit iOS]

We are working with Audio Unit on iOS as part of a VOIP application. We have successfully played audio but now we would like to control the playing speed and pitch of audio in real time. We are getting real time audio bytes from the UDP socket.…
shayan
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pitch shifter using web-audio-api?

Pitch Shifter using Node js Hi, I'm a beginner in web Development! soo I'm trying to build an online audio player for that I need a pitch shifter. I try to learn web audio API which isn't soo easy to understand for me... Can anyone help to build a…
Aadarsh velu
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How to pitchshift an audio buffer in Tone.js?

I would like to pitchshift audio in Javascript and I thought the easiest way would be Tone.js (https://tonejs.github.io/docs/r13/PitchShift), but my implementation is not playing any sound, but there's no errors. What am I doing wrong? HTML (to load…
Seth Kitchen
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Best way for pitch shift in MATLAB

I'm writing a program which, with a given value prompted from the user, changes the pitch of a whole track, for example if the user wants to double the fundamental the program should produce a track an upper octave (example, from A4 to A5). I have…
Lory97
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JS pitch shift with timbre control

i need a good pitch shift solution for my project to change the voice. a lot of pitch shift js libraries around - tried them all but they don't provide the desired result. main thing is no control on the result voice timbre and i get Mickey mouse or…
Grigory Grogulenko
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Integrate soundtouch library in Android Studio project

I am trying to integrate soundtouch library for change in pitch and playback rate of wav audio file. But when i add it in the project the an error arising which is given belo Information:Gradle tasks…
parikshit tiwari
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