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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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javascript pitch shift with time stretch

I'm a beginner learning javascript. I've got various projects in mind with an interactive page on my site related to microtonal frequencies and planetary frequencies. I need to be able to play my audio sample .wav file in a loop but have the audio…
GooseCode
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playbackRate on AUDIO and pitch

Little bit of background: People like games. People use the internet. The internet needs games. Games use sound. HTML5 has
Niet the Dark Absol
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NAudio pitch shifting

I am using the NAudio DLL and I am looking for example code for pitch shifting sound.
mehdiattar
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Pitch Shifting in Real Time With AVAudioEngine using Swift

I am developing an Audio effects application on OSX using Swift, and I'm interested in integrating a pitch-shift effect. I would like in real-time, to change the tone up or down an octave. Currently I am only getting a dry signal. I am not sure if…
Duke Diamond
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Android: How to shift pitch of output sound (realtime)

I'm new in Android development. I'm looking for any method that applies pitch shifting to output sound (in real-time). But I couldn't find any point to start. I've found this topic but I still don't know how can I apply this. Any suggestions?
midnighz
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What algorithm does YouTube use to change playback speed without affecting audio pitch?

Youtube has an option to change the playback speed of videos that speeds up or slows down a video's audio without affecting its pitch. I know that there are a number of different algorithms that can do this, but I am curious as to which specific…
nellapizza
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Incrementally / gradually change pitch of signal over time using octave / matlab code

I can pitch shift an entire signal using resample and I have tried the phase vocoder code here. I've also tried repmat and interpolation and I looked into fft and interp1 How can I incrementally / gradually change the pitch of a signal over time? …
Rick T
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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
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How to save the audio recorded with pitch changed?

I'm working on recording the voice then change the pitch of the audio and save. I call this method after recording the voice and click on the button to change the pitch then the new file is also created but the not not able to listen the audio the…
Mitesh Varu
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How to control audio pitch-shift in LibVLCSharp?

I'm currently developing a karaoke system with c# and using LibVLCSharp. Can anyone please help me how to change audio pitch shifter with it? There's libscaletempo_plugin and libscaletempo_pitch_plugin module in \libvlc\win-x86\plugins\audio_filter…
Wong
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Does pydub support pitch modulation?

This old thread seems to indicate that pydub's AudioSegment._data can be used to somehow calculate the pitch of a sound; unfortunately, it seems to be done using a method assigned to the undisclosed Mpm class. That said, however, if pitch data can…
Arcaeca
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RealTime Pitch Shifting using TarsosDSP on Android

Here is what I want : 1. Real time pitch shift while playing song. 2. Pitch shift should also be recorded to a file. code : double rate = 1.0; RateTransposer rateTransposer; AudioDispatcher dispatcher; …
Avinash Shinde
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How to modify pitch of sound file Java?

I have a sound file I would like to modify the pitch of. The file is stored in an MP3. I have searched the internet but have been unsuccessful in finding any libraries or algorithms that would allow me to modify the pitch. Any examples and/or…
Skylion
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How to calculate the phases after a pitch shift on the STFT?

I use torch.stft() to generate a spectrogram. I want to perform a pitch shift on the audio. The end result should be an STFT of the pitch-shifted audio. I can't phase_vocoder -> istft -> resample -> stft because that's too slow. Instead, I wrote…
potatoportato
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Tone.PitchShift and Howler.js issues

I enjoy using Howler.js for my (Meteor) application. However, the playback rate function is causing a pitch shift that I don't want (I just want the time stretch, and to preserve the pitch). My solution was to therefore implement a pitch shift to it…
Patrick Abbey
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