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lucky
Jamologist
Joined: 07 Jul 2006
Posts: 182
Location: Amsterdam
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 Posted: Thu Jul 13, 2006 11:26 am Post subject: Audio versus midi input analyzes |
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Hi there,
In the manual I read that in Free Jam mode Jamstix develops its own rhythms based on the input of either midi or audio. The midi input is analyzed on timing, pitch and velocity whereas the audio is analyzed only on velocity.
Are there any plans to bring the audio analyzes on the same level as the midi one?
Of course tracking pitch and rhythm in audio is more difficult than in midi, but there are VST plug-ins that do something like this. And for monophonic instruments, like a bass, this might be very interesting.
Lucky, bassplayer  |
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Ralph [RZ]
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| Posted: Thu Jul 13, 2006 11:44 am Post subject: Re: Audio versus midi input analyzes |
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| lucky wrote: |
Are there any plans to bring the audio analyzes on the same level as the midi one? Of course tracking pitch and rhythm in audio is more difficult than in midi, but there are VST plug-ins that do something like this. And for monophonic instruments, like a bass, this might be very interesting.
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It's an area with have our eyes on. It cannot be done realistically with todays CPUs given the limited CPU pie share a plugin can take and the required reliability of the analysis.
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Ralph Zeuner
Rayzoon Technologies LLC
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lucky
Jamologist
Joined: 07 Jul 2006
Posts: 182
Location: Amsterdam
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| Posted: Thu Jul 13, 2006 12:22 pm Post subject: |
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| I guess you know this already, but just in case you missed it, there is a plug-in from Antares called Auto-Tune 4 that automatically corrects pitch deficiencies of vocalists in real time. It is a VST plug-in and runs on 'standard' computers. |
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Ralph [RZ]
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| Posted: Thu Jul 13, 2006 12:45 pm Post subject: |
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| lucky wrote: | | I guess you know this already, but just in case you missed it, there is a plug-in from Antares called Auto-Tune 4 that automatically corrects pitch deficiencies of vocalists in real time. It is a VST plug-in and runs on 'standard' computers. |
Yes, we are well aware of it. There is also Melodyne, which IMHO does an even better job.
The problem is that the Jamstix analysis (as it does it for MIDI today) requires the pitch analysis of complex polyphonic material, resulting in the determination of the harmonic structure (i.e Cm7/9) present in realtime with reasonably low CPU usage.
AFAIK there is no such product in existence. If there is, please let me know.
Furthermore, there is also the need for precise timing analysis leading to the location of each individual note in a polyphonic signal. Again, no such products known to me...
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Ralph Zeuner
Rayzoon Technologies LLC
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lucky
Jamologist
Joined: 07 Jul 2006
Posts: 182
Location: Amsterdam
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| Posted: Thu Jul 13, 2006 1:08 pm Post subject: |
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Ah, got it.
Not to sound pushy here 'cause Jamstix is already great, and I do am biased, but the monophonic bassguitar is a natural audio input for Jamstix, e.g. total rhythm section. It could be a first step to complex polyphonic material. Enablement of this sofisticated feature could be done only via ini file, e.g. user knows what he is doing and understands the limitations.
Anyway, thanks for all the info! |
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Ralph [RZ]
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| Posted: Thu Jul 13, 2006 1:12 pm Post subject: |
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Yes, the bass is the likely first candidate since it is largely monophonic. Not sure when we will attack that 'beast' though....
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Ralph Zeuner
Rayzoon Technologies LLC
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