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Doing CQT online results in extra frames

See original GitHub issue

https://gist.github.com/carlthome/5e207fbfdaab461ec5e1c45c77dda944

If I divide an audio signal into chunks of size n * hop_length samples where n is some integer, shouldn’t the result of calling CQT per chunk and then stacking them give the same coefficients as calling CQT once for the entire audio file? What’s happening at the signal ends?

Issue Analytics

State:
Created 6 years ago
Comments:7 (7 by maintainers)

Top GitHub Comments

1reaction

carlthomecommented, Jun 19, 2017

I got a real-time processing version with LibROSA’s CQT working decently by slicing in the time-domain as described in https://arxiv.org/abs/1210.0084

https://gist.github.com/carlthome/5e207fbfdaab461ec5e1c45c77dda944

0reactions

bmcfeecommented, Jun 19, 2017

@carlthome this looks great! Any interest in writing it up as an example for the gallery?

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