[mirtoolbox] Re: mireventdensity bug?
- From: David Hirst <dhirst0@xxxxxxxxx>
- To: "mirtoolbox@xxxxxxxxxxxxx" <mirtoolbox@xxxxxxxxxxxxx>
- Date: Sun, 14 Dec 2014 15:19:33 +1100
Thanks Olivier, that's good to know. Event density is a potentially useful
function in longer segments of electro acoustic music. I'll try a longer sound
file.
Cheers,
David
> On 14 Dec 2014, at 8:18 am, Olivier Lartillot <olartillot@xxxxxxxxx> wrote:
>
> This is normal. The default frame length for mireventdensity is 10s.
> ragtime.wav is shorter than that, so only one value is computed. In such
> case, the value is displayed directly in the Command Window. This is what you
> get: "The Event density related to file ragtime.wav is 4.6569 per second”
>
> Cheers,
>
> Olivier
>
>> On 04 Dec 2014, at 06:07, David Hirst <dhirst0@xxxxxxxxx> wrote:
>>
>> Upon further testing, ‘mireventdensity’ doesn’t seem to produce any graphic
>> output after appearing to run successfully, see:
>>
>>
>> >> mireventdensity('ragtime.wav', 'Frame')
>> Chunk 1/4...
>> Computing miraudio related to ragtime.wav...
>> Computing mirsum related to ragtime.wav...
>> Computing mirspectrum related to ragtime.wav...
>> Computing mirenvelope related to ragtime.wav...
>> Computing mironsets related to ragtime.wav...
>> Computing mirsum related to ragtime.wav...
>> Chunk 2/4...
>> Computing miraudio related to ragtime.wav...
>> Computing mirsum related to ragtime.wav...
>> Computing mirspectrum related to ragtime.wav...
>> Computing mirenvelope related to ragtime.wav...
>> Computing mironsets related to ragtime.wav...
>> Computing mirsum related to ragtime.wav...
>> Chunk 3/4...
>> Computing miraudio related to ragtime.wav...
>> Computing mirsum related to ragtime.wav...
>> Computing mirspectrum related to ragtime.wav...
>> Computing mirenvelope related to ragtime.wav...
>> Computing mironsets related to ragtime.wav...
>> Computing mirsum related to ragtime.wav...
>> Chunk 4/4...
>> Computing miraudio related to ragtime.wav...
>> Computing mirsum related to ragtime.wav...
>> Computing mirspectrum related to ragtime.wav...
>> Computing mirenvelope related to ragtime.wav...
>> Computing mironsets related to ragtime.wav...
>> Computing mirsum related to ragtime.wav...
>> Computing mirenvelope related to ragtime.wav...
>> Frame length longer than total sequence size. No frame decomposition.
>> Computing mirpeaks related to ragtime.wav...
>> Computing mireventdensity related to ragtime.wav...
>> Computing mirpeaks related to ragtime.wav...
>> Elapsed time is 1.127756 seconds.
>>
>> The Event density related to file ragtime.wav is 4.6569 per second
>>
>> … and then NO Figure is displayed.
>>
>> cheers,
>> David
>>
>> Associate Professor David Hirst, PhD
>> Honorary Principal Fellow
>> School of Contemporary Music | Faculty of the VCA and MCM | The University
>> of Melbourne
>> 234 St Kilda Road, SOUTHBANK 3006
>> Ph: 0413 325 001 Fax: 9035 9461 www.vca.unimelb.edu.au
>>
>>
>> http://davidhirstmusic.wordpress.com/about/
>
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