Questions tagged [audio-capture]
74 questions
1
vote
1 answer
Capture audio in zalenium
How to capture audio along with video in zalenium.The commands on github of zalenium(link) only capture video.
Thanks
Muhammad Younus
- 1,896
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vote
0 answers
Media Foundation - Problems using aggregate media source with audio/video capture
I have been tasked with creating an application that takes an audio/video capture input (using an Elgato Cam Link) and outputs it back to the user.
According to Microsoft's Audio/Video Capture in Media Foundation documentation, it suggests "If you…
Brandon
- 11
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1 answer
NAudio Play Silence without speakers
I know that I can play silence audio like that
var silence = new SilenceProvider(sourceStream?.WaveFormat).ToSampleProvider();
wo = new WaveOutEvent();
wo.Init(silence);
wo.Play();
but How can I play silence when no speakers are…
gmetax
- 3,853
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1 answer
How to reduce consumption of CPU in audio recording program (c++)
with help of the internet I wrote program that capture audio from microphone all time when it's running. Everything it's ok, but I need to reduce charge of CPU, because now it's about 30-35%.
int SoundCapture()
{
const int NUMPTS = 8000 * 1; //…
dylo
- 27
- 3
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1 answer
how to play streaming mp3 messages (uint8 bytes) generated by ROS audio_capture in html WebAudio Api
I am trying to play streaming mp3 messages (uint8 bytes) generated by ROS audio_capture in html using WebAudio api.
The messages are generated by ROS audio_capture which publishes the mp3 as uint8 bytes. I am grabbing each message and trying to play…
Mahesh
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0 answers
Silence detection in Kinect V2
I am using winmm.dll to record audio from kinect using below method :
[DllImport("winmm.dll", EntryPoint = "mciSendStringA", ExactSpelling = true, CharSet = CharSet.Ansi, SetLastError = true)]
private static extern int record(string…
Zula Jariwala
- 11
- 2
1
vote
2 answers
Recording/Capture Currently Playing Audio
i want to capture/record currently playback audio in UWP or Windows Phone 8.1 any, same thing is done by "MEE dj" UWP app in its app, that app is ability to capture currently playing audio in the app.
Anyone know about that share your answer please.
Shubham Sahu
- 1,963
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1 answer
java.lang.RuntimeException: setAudioSource failed Google Guide Code is throwing error
This is my code and actually Google Developer Android Guide's code. But this code throwing error "java.lang.RuntimeException: setAudioSource failed.". I tried all the solutions and it still gives error.
private static final String LOG_TAG =…
Ali Yetkin
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- 6
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1 answer
Is there a way to choose the audio port for a particular program in a cpu with two audio outputs?
I have two audio outputs in my cpu. One is meant for speakers and the other for headphones.I want to create a program in which I can choose which program is allowed to play sound in which port. So that I can put headphones in one port, and play…
goodbytes
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1 answer
does javafx has built in audio capture?
I know there is a duplicate question right here, but it's obsolete, so does javafx support audio capture.
Does it have any audio capturing API or interfaces, i know of AudioClip in javafx.scene.media. but it's only for playback.
Jalal Sordo
- 1,605
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- 68
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1 answer
how can I have a high quality video recorder and audio recorder on android?
Hello stackoverflow friends. I am new by android and have bellow code for capturing video.
But this has low quality on phone( specially on android version 4.2 has very very low quality).
I need a video capture with higher quality but i dont know…
sarah
- 125
- 3
- 12
1
vote
0 answers
Virtual ALSA card, offering a capture interface with data received from another process
I need to create a virtual ALSA card, visible as a device with single capture interface, which I could configure for particular data format and sampling frequency, and then feed it with the data produced in the real time by another process.
The…
wzab
- 788
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1 answer
AVCaptureSession how to make mute input audio device?
That's how I trying to configure turn on/off mic volume with button :
//micBtn turn on/off
- (void)micTap:(UIButton*)sender
{
if (sender.selected) {
[self addAudioInput];
} else {
[self removeVideoInput:NO audioInput:YES];
}
}
-…
user3007870
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5 answers
ffmpeg DirectShow capture 2 pins
Here is ffmpeg DirectShow options
DirectShow video device options
Pin "Capture"
pixel_format=yuyv422 min s=720x480 fps=59.9402 max s=720x480 fps=59.9402
pixel_format=yuyv422 min s=720x480 fps=29.97 max s=720x480 fps=29.97
…
Max
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Microphone capturing doesn't work on dedicated server
I'm trying to stream audio from browser via rtmp. I use flash api for that. And everything works perfect on localhost. When I'm trying to record the sound from browser on dedicated server it's says to me, that the client (me) haven't allowed the…
k4Rla
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