Re: [freesound-api] Error code when querying with certain ac filters

[Frederic Font Corbera]

Hi,

I just tried a filter like filter=ac_tonality:"C major" and it works well, e.g.:

https://freesound.org/apiv2/search/text/?filter=ac_tonality:%22C%20major%22&fields=id,ac_analysis

What is the exact format that you're using?

frederic

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Frederic Font - ffont.github.io
Phonos - phonos.upf.edu
Music Technology Group, UPF - mtg.upf.edu
Freesound - freesound.org

On Thu, 10 Jul 2025 at 21:56, Beavan Flanagan <bea...@gmail.com> wrote:

Hello,

I have been experimenting with some of the audio content filters using text search - most of these filters seem to function when formatting my queries, however when I attempt a query using the 'ac_tonality' filter I receive an error code. From my understanding in the documentation, the correct format is a string made up of key+scale eg. "C major", however when I input a string using this format I consistently receive a 400 error code. Can anyone clarify that this is the right syntax for this filter parameter, and that I am not missing something?

Many thanks for any assistance you can provide!

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