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Audio time stretch and pitch shift library

Home Page: https://bungee.parabolaresearch.com/

License: Mozilla Public License 2.0

CMake 4.30% C++ 95.70%
audio-processing audio-speed phase-vocoder pitch-shifter

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bungee's Issues

Stretcher Breaks at Ratios below 0.25

Hi. This seems to be a glitch of some sort, where setting a pitch shifting ratio below 0.25 causes extreme audio glitches. This doesn't seem to be a limitation of the algorithm, as I'm able to get around the problem with a little hack, adjusting the input sample rate and speed ratio accordingly to get the intended result.

Also with more extreme ratios, maxInputFrameCount() seems to underestimate the correct number. I didn't test the exact cutoff, and just added a check in my code.

Missing build

I'm trying to build the static library .a
But when I run:

cd bungee
mkdir build && cd build
cmake ..
cmake --build .

There's only one libbungee.a, and its target arch is arm64, which is missing for IOS and Android
Am I missing something?

Performance Comparisons

Hi. This looks like great work, and I'm interested in integrating it with a plugin I'm currently working on. I currently am using Rubberband, but Bungee seems to have a cleaner API and handles transients better. The only reason I'm hesitant to switch is for performance reasons. By any chance, have you done comparisons between the performance of different algorithms?

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