[Audacity-devel] Re: New topic for developers - sound matching (Lynn Allan)

[Chad N. <cha...@gm...>]

Lynn -

Thank you for the response. The outside listener's samples - A,B, and C 
- would be radio stations recorded exteranally then compared against my 
control group that I have recorded using audacity. Since it is radio and 
I want the radio station unaware of what is going on I can't embed a 
signal into their broadcast. I also don't want to tamper with the 
outside listeners radio at all (I can't be placing some sort of tracker 
onto his radio or something of that nature). My thought is that there 
may be way to add to the audacity code to create a program that can 
match the sound samples.

Does that help clear it up any?

Chad

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>   1. Re: New topic for developers - sound matching (Lynn Allan)
>
>--__--__--
>
>Message: 1
>From: "Lynn Allan" <l_d...@ad...>
>To: <aud...@li...>
>Subject: Re: [Audacity-devel] New topic for developers - sound matching
>Date: Thu, 31 Mar 2005 07:42:50 -0700
>Reply-To: aud...@li...
>
>Chad,
>
>I'm not clear I understand your question ... would your "outside
>listener" be using Audacity to listen to A, B, or C?
>
>My understanding is that Audacity limits you to one "instance"
>running, but it can "spawn" off subsequent "instances". It would seem
>possible (not necessarily easy) to embed some code into a "specialized
>edition" of Audacity that could detect and somehow notify "something"
>when they switched from "Instance A" to "Instance B" back to "Instance
>A" and so on.
>
>Like writing to a file:
>>From 8:15:22 am to 8:15:44 am Track-A
>>From 8:15:44 am. to 8:16:04 am Track-B
>>From 8:16:04 am to 8:16:55 am Track-A
>etc.
>
>Is that what you are looking to do?
>
>  
>
>>I am trying to match a sample recording with a control group. I know
>>    
>>
>I
>  
>
>>will need additional code to make this happen I am just having
>>difficulty meeting people who can do this.
>>
>>I have a control group of 3 audio samples (A,B, and C - all three
>>    
>>
>are
>  
>
>>playing different media voice, song, commercials....) that are
>>    
>>
>recorded.
>  
>
>>then I have an outside user that can listen and switch between these
>>sources (A,B,and C); I am recording what the user listens to. I need
>>code that will map what source my external user listened to i.e.
>>external user listened to source A. Then I need to to know if my
>>external user has switched what source he is listening to i.e.
>>    
>>
>external
>  
>
>>user was listening to source A then switched to source B (I also
>>    
>>
>need to
>  
>
>>know what time the switch took place in accordance with my control
>>    
>>
>group).
>  
>
>>I am sure that somebody can add some sort of code, provide a source
>>    
>>
>that
>  
>
>>can, or even write new code that can do this. I have been
>>    
>>
>researching
>  
>
>>this for some time one gentleman suggested that I need to use some
>>    
>>
>sort
>  
>
>>decimation filter. I am not familiar enough with what that is let
>>    
>>
>alone
>  
>
>>how to use it.
>>
>>I am using Audacity to create uniform sound samples from my control
>>    
>>
>and
>  
>
>>sample group (external user). If you can do this I would really like
>>    
>>
>to
>  
>
>>talk.
>>    
>>
>
>
>
>
>
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