It helps if you let us know a) what you've tried and researched already, b) what you plan to use it for, and c) why you think WSOLA is the right solution.

WSOLA doesn't have a 'simple explanation and implementation', but if what you want is just some code that does the job and lets you worry about other things then how about:
https://stackoverflow.com/questions/37386410/realtime-pitch-shifting-using-tarsosdsp-on-android

And since you've already asked this question on the TarsosDSP forum I'm surprised you've not seen that.

Oh look, here's a time stretch example:
https://github.com/JorenSix/TarsosDSP/blob/master/src/examples/be/tarsos/dsp/example/TimeStretch.java

best,

Martin let-me-google-that-for-you Klang


On 27/07/18 11:47, Alex Dashevski wrote:
Hi,
All materials and code that I found on google and GitHub have not real time implementation(that means, signal is known in advance)
I understand that in this case, I need to do resampling before and after.

Thanks,
Alex

2018-07-26 3:22 GMT+03:00 <[email protected] <mailto:[email protected]>>:

    Not everbody reads mails every day so it might be an idea to wait
    for replies before pushing.
    I am not an expert on this subject but my company is so I would
    put it this way:
    1) To my mind, there is no simpler explanation than given in the
    Wiki. At least this is an entrypoint to start reading. More
    comprehensive material can be found in several DSP literature but
    they might not be easy since the subject is not easy.
    2) There is not only on "WSOLA" implementation. It is all about
    details and requirements. What in detail do you want to do?
    3) Even, if people have code ready fpr your app, they cannot give
    it way that easily because it might be covered by their company.
    Me i am not allow to post code at all.
    I suggest you search the github projects for code coming close to
    your needs?
    Rolf
    *Gesendet:* Mittwoch, 25. Juli 2018 um 20:41 Uhr
    *Von:* "Alex Dashevski" <[email protected]
    <mailto:[email protected]>>
    *An:* [email protected]
    <mailto:[email protected]>
    *Betreff:* Re: [music-dsp] WSOLA on Real Time
    Hi,
    Could you help ?
    2018-07-24 9:18 GMT+03:00 Alex Dashevski <[email protected]
    <mailto:[email protected]>>:

        Hi.
        I'm looking for a simple explanation and implementation of
        WSOLA. I tried to google it but I can't understand all meaning
        of inputs and outputs that WSOLA has.
        My goal is to implement it in Real time on Android. Possibly,
        to use pitch shifting in Real Time.
        Thanks,
        Alex

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