frequency

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iPhone SDK measure frequency over iphone mic

I need a way to get the frequency from the microphone and determine the average frequency. Is there a library or something to handle this?[详细]

2023-01-06 06:46 分类：问答
Most Efficient way to calculate Frequency of values in a Python list?

I am looking for a fast and efficient way t开发者_开发百科o calculate the frequency of list items in python:[详细]

2023-01-05 20:07 分类：问答
Determine the frequency of occurrence in XQuery

Is there a way of determining the number of times in which a p开发者_如何学Carticular value occurs in a sequence, with XQuery?Use:[详细]

2023-01-04 10:03 分类：问答
How to Find Frequency while recording voice in iphone?

In my application i have done to record the voice and playing in the device. Now i want to find the audio frequency of that recorded voice(While recording). How can i find?.I d开发者_运维百科ont have[详细]

2023-01-01 14:22 分类：问答
How big is interval between taking pictures in Android phone?

I\'m wondering how fast I can take pictures one after another withoud surprises from the phone (like fx: \'force close;)[详细]

2022-12-31 22:33 分类：问答
Spatial domain to frequency domain

I know about Fourier Transforms, but I don\'t know how to apply it here, and I think that is over the top. I gave my ideas 开发者_StackOverflow社区of the responses, but I really don\'t know what I\'m[详细]

2022-12-31 21:18 分类：问答
how to make a frequency function in matlab like the excel frequency function?

I have a list that is sorted and I want to know how many values are in each bin? I made bins using linsp开发者_JAVA百科ace(floor(fist_element_list), ceil(last_element_list), num_bins) Is there a built[详细]

2022-12-31 03:10 分类：问答
Multiple items in a PHP shopping cart

I\'m in the progress of making a shopping cart in PHP. To check if a user has selected multiple products, I put everything in an array ($contents). When I output it, I get something like \"14,14,14,11[详细]

2022-12-31 02:04 分类：问答
Get highest frequency terms from Lucene index

i need to extract terms with highest frequencies from seve开发者_Python百科ral lucene indexes,to use them for some semantic analysis.[详细]

2022-12-30 15:27 分类：问答
"no inclosing instance error " while getting top term frequencies for document from Lucene index

I am trying to get the most occurring term frequencies for every particular document in Lucene index. I am trying to set the treshold of top occuring terms that I care about, maybe 20[详细]

2022-12-29 11:44 分类：问答