r-audio | React components for building Web Audio graphs | Audio Utils library
kandi X-RAY | r-audio Summary
kandi X-RAY | r-audio Summary
A library of React components for building Web Audio graphs.
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r-audio Examples and Code Snippets
Community Discussions
Trending Discussions on r-audio
QUESTION
What I want to achieve: To stop a previously started sound when a new is started. What I have now: The sounds plays simultanously, none of them is stopping. The probably reason: Wrong logic statement in a line if (audio.played && audio.paused){. Before you judge me for not trying hard enough - I am trying to solve this from 3 days, I am a beginner. It should take me a few minutes, even an hour. I tried in several combinations.At the end I listed several websites which I tried and I still haven't solved it. In all answers is something similar but still I can't made a browser to chose, always only one part is executed either audio.play() or audio.pause() in the log. It works but not as I want and these logical statements are like on other informations on the forum. At the end of the message you can see all similar topics I already tried several times. I kept just as clear code as possible and I want to do it this way, in vanilla javascript because I won't deal for now with anything more complicated. An audio url is taken from modified id on click, the audios are on my disk. It works, I made some mistake in line if (audio.played && audio.paused){ Any ideas except giving up and changing a hobby?
...ANSWER
Answered 2021-Apr-20 at 15:47Never give up, and don't change a hobby. :) Possible solution from one hobbyist, too:
QUESTION
We are trying to use Gstreamer's mpegts pluging to record a video stream stream using the following Gstreamer example code https://gstreamer.freedesktop.org/documentation/mpegtsmux/mpegtsmux.html?gi-language=c. When we compile the code using gcc mpegtstest.c -o mpegtstest `pkg-config --cflags --libs gstreamer-1.0 gstreamer-mpegts-1.0` -v
everything works as expected and the program records with no issues. We are now trying to compile the code using cmake
and make
. cmake
generates correctly but make
fails with error.
/usr/bin/ld: cannot find -lgstreamer-mpegts-1.0
.
CMakeLists.txt
...ANSWER
Answered 2021-Feb-26 at 01:08Based on your cmake
output, I'd guess that you're using a version of FindGStreamer.cmake
cribbed from WebKit. If that's the case, the variable you want to use is GSTREAMER_MPEGTS_INCLUDE_DIRS
. Note the lack of a hyphen in the variable name.
If that's not the case, use a simple message()
statement before the use of a variable to show you its value during the cmake
step.
In your CMakeLists.txt
:
QUESTION
I am creating a Flutter plugin. Currently, the code:
- Synthesises an String into an audio file
- Gets the path to the file
- Plays the audio file using audioplayers
When I run the application in Android, it perfectly works. Nevertheless, when I run it on iOS, it does not (assuming relates permissions/restrictions)
...ANSWER
Answered 2021-Feb-05 at 09:16In the end, I realised that the problem was related to AVAudioSession
and its session management. Both libraries, flutter_tts
and audioplayers
make use of it and therefore they could overlay it other.
I had to change the method to the following:
QUESTION
How do I move my more button from being aligned in the middle of the div, to being aligned to the top of the div (where the x mark is)?
Here is my jsfiddle: https://jsfiddle.net/z6syuLfv/.
My code is as follows:
...ANSWER
Answered 2021-Jan-22 at 14:58Add align-self: flex-start
to .course-sidebar-audio-item-toolbar-menu-container
:
Edit: To move the contained button even further up, also add line-height: 0;
. That way the button is aligned to the top border of .course-sidebar-audio-item-toolbar-menu-container
.
There are other ways which lead to the same result, this is just one of them.
QUESTION
I'm trying to recreate the element below:
But for some reason, I am struggling to position the elements correctly using flexbox. I've posted a fiddle here: https://jsfiddle.net/10qpkeg3/.
HTML:
...ANSWER
Answered 2021-Jan-22 at 12:30.course-sidebar-audio-item-container {
display: flex;
align-items: center;
width: 100%
}
.course-sidebar-audio-item-icon-container {
align-items: center;
align-self: flex-start;
display: flex;
flex-shrink: 0;
height: 56px;
justify-content: center;
width: 40%;
background-color: rgba(80, 102, 144, 0.1);
color: #506690;
border-radius: 4px;
cursor: pointer;
}
.course-sidebar-audio-item-icon-container:hover {
background-color: rgba(80, 102, 144, 0.15);
transition: background-color 0.15s ease-in-out;
}
.course-sidebar-audio-item-icon {
align-items: center;
justify-content: center;
width: 20%;
margin-top:32px;
margin-left:12px;
height: 100%;
position: relative;
vertical-align: text-bottom;
box-sizing: border-box;
}
.course-sidebar-audio-item-details {
-webkit-font-smoothing: antialiased;
font-weight: 400;
cursor: pointer;
user-select: none;
-webkit-tap-highlight-color: rgba(0, 0, 0, 0);
width: 100%;
padding-left: 2px;
}
.course-sidebar-audio-item-title {
word-break:break-word;
text-align:center;
}
QUESTION
I'm trying for the first time to use Web Audio API in Javascript.
For a personal project i'm trying to control the volume, but I have some difficulties.
I'm using this git project : https://github.com/kelvinau/circular-audio-wave
In this project I added this function that use in the function play() :
...ANSWER
Answered 2020-Aug-31 at 23:45From what you are describing it sounds as if there is still a direct connection from the sourceNode
to the destination
of the context
.
It should work if you remove this line from the original example.
QUESTION
I've been using AngularAudioRecorder (AngularJS) for the last 4 years and with the last Chrome update I'm getting the following error:
...
ANSWER
Answered 2019-Mar-11 at 12:43I solved the problem. Finally resumed the paused AudioContext with:
QUESTION
I am making an app that records video. Up until now, I have been able to successfully record video and audio using AVCaptureMovieFileOutput
, however, I now have a need to edit the video frames in real time to overlay some data onto the video. I began the switch to AVAssetWriter
.
After the switch, I am able to record video (with my overlays) just fine using AVCaptureVideoDataOutput
, however, AVCaptureAudioDataOutput
never calls the delegate method so my audio doesn't record.
This is how I set up my AVCaptureSession:
...ANSWER
Answered 2018-Aug-04 at 00:16Ripped my hair out for days on this. My mistake was simple - The delegate method was being called, but was being returned BEFORE I reached the audio statements. These were the culprits which needed to be moved to after the audio processing portion of my code:
QUESTION
I'm seeking a way to remove a human voice from a video. Initially, I had the following:
- video1.mp4
- voice1.mp3
video1 has images and only no-human-voice sounds while voice1 has only one human voice Then I combined video1 with voice1 to create video2.m4, so in video2 I can hear both audios from video1 and from voice1. It is worth to mention that both video1 and voice1 have the same length of about 2 minutes.
This was one year ago. I deleted video1.mp4 accidentally, but I still have video2 and voice1.. Now I need to get video1.mp4 again. In other words, how to remove voice1 from video2? How to remove the human voice from video2?
I don't care if this is through software, command line, or even computer code (maybe Phyton; I've heard that Python can do cool stuff with audio).
Note: there is a similar question here in StackOverflow (Removal of Human Voice from a video or audio file), but it doesn't explain how to remove the audio.
...ANSWER
Answered 2019-Dec-29 at 13:38Rather than thinking about this as a problem of removing an unwanted voice, I would think of this as simply undoing the sum of two signals. At the moment we have three audio signals to consider, lets call them
A
: The audio track to video1.mp4B
: The audio of voice1.mp3C
: The sum ofA
andB
(i.e.C = A + B
) which is now the audio track tovideo2.mp4
We no longer have access to A
, but we still have B
and C
.
The ideal case assumes:
A
is the same length asB
- Summing of the two signals was done without any filtering
The solution in this case is fairly trivial, all we need to do is multiply B
by a gain value of -1
(i.e. invert) and sum that with the signal C
.
if
QUESTION
I'm having an issue getting an audio file to play when the function is called.
I am using an AVAudioPlayer to try and play the file following the instructions form here: https://www.hackingwithswift.com/example-code/media/how-to-play-sounds-using-avaudioplayer After the button is pressed in the view, it calls a func to play the sound, but from what I can tell, nothing is played. There are no errors thrown, and the file is found. The app also uses a speech synthesizer when a button is pushed, and that plays fine.
I looked around stack overflow and followed the instructions from here: Where to place code for audio playback in a SwiftUI app
But still the audio is not played when the button is pushed.
Here is the func:
...ANSWER
Answered 2019-Jul-22 at 22:10I'm pretty new myself, but I'll do my best. What happens if you move the declaration of AVAudioPlayer outside the function? For example:
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