svar | SVAR - Simple Voice Activated Recorder | Audio Utils library
kandi X-RAY | svar Summary
kandi X-RAY | svar Summary
it is a simple console application (low memory footprint and cpu usage) designed for recording audio when a specified signal level is exceeded. it is commonly known solution called voice operated recording (vor). when the signal level is low for longer than the fadeout time, audio recording is paused. on linux systems, capturing the audio signal is based on the [alsa] technology. for all other systems, [portaudio] library will be used. alternatively, it is possible to force portaudio back-end on linux systems by adding -denable_portaudio=on to the cmake configuration step. currently this application supports four output formats: - raw (pcm 16bit interleaved) - wav ([libsndfile] - mp3 ([mp3lame] - ogg ([libvorbis] for low cpu consumption wav is recommended - it is the default
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QUESTION
I need help to extract a comment inside a div that holds many other child divs which have there own strings. I have this code to get all the strings inside the div.
...ANSWER
Answered 2021-May-28 at 12:23Try this
QUESTION
everybody!
I have a trigger to replace text BEFORE INSERT to table, i have a text in which need change one word
...ANSWER
Answered 2021-Apr-10 at 23:24If you need to replace a word in text, then use replace()
:
QUESTION
I had previously asked where the Winery types are indexed. I noticed that in the serialization for the schema for Bool
, which is [4,6]
, the 4 is the version number, and 6 is the index of SBool in SchemaP. I verified the hypothesis using other "primitive" types like Integer (serialization: 16), Double (18), Text (20). Also, [Bool]
will be SVector SBool
, serialized to [4,2,6]
, which makes sense: the 2 is for SVector, the 6 is for SBool.
But SchemaP also contains constructors that I don't intuitively see how are used: SFix, SVar, STag and SLet. What are they, and which type would I need to construct the schema for, to see them used? Why is SLet at the end, but SFix at the beginning?
...ANSWER
Answered 2021-Feb-12 at 10:28SFix
looks like a µ quantifier for a recursive type. The type µx. T is the type T where x refers to the whole type µx. T. For example, a list data List a = Nil | Cons a (List a)
can be represented as L(a) = µr. 1 + a × r, where the recursive occurrence of the type is replaced with the variable r. You could probably see this with a recursive user-defined type like data BinTree a = Leaf | Branch a (BinTree a) (BinTree a)
.
This encoding doesn’t explicitly include a variable name, because the next constructor SVar
specifies that “SVar n
refers to the n
th innermost fixpoint”, where n
is an Int
in the synonym type Schema = SchemaP Int
. This is a De Bruijn index. If you had some nested recursive types like µx. µy. … = SFix (SFix …)
, then the inner variable would be referenced as SVar 0
and the outer one as SVar 1
within the body …
. This “relative” notation means you can freely reorganise terms without worrying about having to rename variables for capture-avoiding substitution.
SLet
is a let
binding, and since it’s specified as SLet !(SchemaP a) !(SchemaP a)
, I presume that SLet e1 e2
is akin to let x = e1 in e2
, where the variable is again implicit. So I suspect this may be a deficiency of the docs, and SVar
can also refer to Let
-bound variables. I don’t know how they use this constructor, but it could be used to make sharing explicit in the schema.
Finally, STag
appears to be a way to attach extra “tag” metadata within the schema, in some way that’s specific to the library.
The ordering of these constructors might be maintained for compatibility with earlier versions, so adding new constructors at the end would avoid disturbing the encoding, and I figure the STag
and SLet
constructors at the end were simply added later.
QUESTION
I have the following plot generated in R. How can I set the different colours for the lines? (scale_color_manual(values = c('green', 'red'))
doesn't work
ANSWER
Answered 2021-Jan-26 at 02:44If you want to customize your plots using ggplot2
you need to perform some manipulation taking your data out from counterfactuals
.
QUESTION
I'm using the svars
package to generate some IRF plots. The plots are rendered using ggplot2
, however I need some help with changing some of the aesthetics.
Is there any way I can change the fill and alpha of the shaded confidence bands, as well as the color of the solid line? I know in ggplot2
you can pass fill
and alpha
arguments to geom_ribbon
(and col
to geom_line
), just unsure of how to do the same within the plot
function of this package's source code.
ANSWER
Answered 2021-Jan-20 at 18:53Your first desired result is easily achieved by resetting the aes_params
after calling plot
. For your second goal. There is probably an approach to manipulate the ggplot
object. Instead my approach below constructs the plot from scratch. Basically I copy and pasted the data wrangling code from vars:::plot.hd
and filtered the prepared dataset for the desired series:
QUESTION
I'm using a sample of this dataset below (data
) to create an SVAR model using the svars
package
ANSWER
Answered 2021-Jan-20 at 18:41If we review the source for the plot
method for objects of class sboot
, we'll see that the labels come from the column names of the data.frame in x$true[[1]]
.
So, it's kind of a hack, but very effective to just change the names:
QUESTION
Am studying JVM spec/internals, and would like to understand how circularly-referenced recursive class initialization is supposed to happen correctly. Looking at this example:
...ANSWER
Answered 2020-Oct-22 at 10:54This only works because those are static fields (other
), if you remove that modifier - you will get a StackOverflow
(because for instance fields, the initialization is moved to the constructor). It seems to me that if I show you what the compiler is actually doing, things might get obvious?
QUESTION
I have written a calculator program in C#.
I want my program to exit (end) if the user enter the character 'x' in my C# console app.
I have tried to use return;
but I don't get it to work.
Also tried to call Environment.Exit()
but did not get that to work either.
If anyone has any tips, feel free to share! :)
Here is the code that handle the input from the user:
...ANSWER
Answered 2020-Oct-20 at 12:40It's unclear how your Main
method implemented but you should be able to call Environment.Exit
to exit the application at any time, e.g.:
QUESTION
How do I set an ImageDocument
not to be dirty anymore in python dm-script without saving?
I have the python code posted below which can be represented by the following dm-script
code.
ANSWER
Answered 2020-Sep-30 at 12:02the command you're looking for is
void ImageDocumentClean( ImageDocument imgDoc )
as in
QUESTION
I have this code:
...ANSWER
Answered 2020-Sep-15 at 11:50Try this:
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