audio-streaming Questions

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What is the data stored in CMSampleBuffer when using AVCaptureAudioDataOutput? It delivers CMSampleBuffers via delegate method –captureOutput:didOutputSampleBuffer:fromConnection: but what's inside...
Tramline asked 8/11, 2011 at 11:57

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My goal is to enable screen sharing in the middle of a video or audio call using webrtc web application . Well I found that I can use MediaStreamTrack.applyConstraints() to change video property b...

2

Let's assume I go to a page where audio gets played. Is there any way to expose and capture the audio stream coming from this puppeteer page? I don't want to simply save it but instead have access ...
Suannesuarez asked 13/4, 2019 at 11:13

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I am trying to create an on-demand audio streaming platform (similar to Spotify) from scratch. It will have 1000 users (I am optimizing for time to build, not scalability as of right now). I want t...

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I am trying to get real-time audio streaming working from my mac to my windows PC, using Gstreamer but i havent had any luck. This is what i am using on my mac to send the audio: gst-launch-1.0 -v ...
Kittrell asked 7/12, 2020 at 22:20

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I am building an application that gets real-time audio from our organization's VoIP system, records the call and transcribe the real-time voice. The transcription then passed to our analytics engin...
Quincentenary asked 30/1, 2019 at 15:7

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I am trying to set up a server to receive audio from a client browser using SocketIO, then process it through Google Speech-to-Text, and finally reply back to the client with the text. Originally ...

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Problem: I need to convert MP3s (of unknown Origin) into M3u8 files so that I can HLS stream them. This command here works for a song called 'jesussaves.mp3' ffmpeg -i ../jesussaves.mp3 -c:a aac -b...
Holpen asked 27/10, 2020 at 15:12

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I have been building a web radio player for live streams & static files (MP3 over http). I picked Howler.js as the back-end to normalize the quirks of HTML5 Audio (think: Autoplay, fading in/ou...
Lammastide asked 21/9, 2020 at 11:47

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I am currently on an adventure with my sanity at stake where I try to simply play an mp3 file on my web-application. This mp3 is loaded chunk-wise in order to make the experience more responsive. E...
Dome asked 27/9, 2020 at 11:3

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The documentation for both of these methods are both very generic wherever I look. I would like to know what exactly I'm looking at with the returned arrays I'm getting from each method. For getBy...
Espouse asked 6/6, 2014 at 13:44

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i want to programatically record sound coming out of my laptop in python. i found PyAudio and came up with the following program that accomplishes the task: import pyaudio, wave, sys chunk = 1024...
Sabrina asked 12/1, 2010 at 4:8

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I have a server sending chunks of raw audio over a websocket. The idea is to retrieve those and play them in a way to have the smoothest playback possible. Here is the most important piece of code...
Raji asked 12/4, 2017 at 10:13

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We need to streaming live audio (from a medical device) to web browsers with no more than 3-5s of end-to-end delay (assume 200mS or less network latency). Today we use a browser plugin (NPAPI) for ...
Fortdefrance asked 10/2, 2015 at 19:32

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I'm trying to play an MP3 file that is passed to an UIView from a previous UIView (stored in a NSURL *fileURL variable). I'm initializing an AVPlayer with: player = [AVPlayer playerWithURL:fileUR...
Anarch asked 23/3, 2011 at 6:4

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(question rewritten integrating bits of information from answers, plus making it more concise.) I use analyser=audioContext.createAnalyser() in order to process audio data, and I'm trying to under...

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The general idea: I created a Node JS program that interacts with multiple APIs to recreate a home assistant (like Alexia or Siri). It interacts mainly with IBM Watson. My first goal was to setup D...
Essentialism asked 19/3, 2020 at 14:25

4

The application that I am trying to develop for andriod, records frames at 48Khz (PCM 16bits & mono) and sends them to the network. Also, there is an incoming stream of audio at 8Khz. So, I rec...
Katharinakatharine asked 15/7, 2010 at 21:57

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I am trying to record an audio with CHANNEL_IN_STEREO configuration in which I am telling audio recorded to record audio in two channel. But after storing buffer array from recorder Audio left chan...
Patter asked 14/12, 2019 at 21:30

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When playing a live stream using the HTTP Live Streaming method, is it possible read the current metadata (eg. Title and Artist)? This is for an iPhone radio app.
Nonmetallic asked 14/1, 2011 at 13:12

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I'm trying to deal with streaming (or rather Audio on Demand) in browsers and mobile applications. Some questions arise that are not very successful in finding a concrete answer. Maybe someone will...
Accountancy asked 21/11, 2019 at 13:20

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I am getting audio stream from getUserMeda and then convert it into a blob or buffer and send it to server as audio is comming I am using socket.io to emit it to server how can i convert audio medi...
Jurdi asked 30/5, 2015 at 14:27

2

I have been trying to port FFMPEG (for playing audio) into Android using NDK. I have had some success I could build FFMPEG and link it via NDK. I could call avcodec_decode_audio3() and decode a g...
Wideranging asked 15/2, 2011 at 6:1

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I'm stuck in playing audio on the background with Swift 5 and Xcode 11. Enabling Background Mode and starting AVAudioSession no longer works and the app keeps closing after a few seconds when you ...
Tonsorial asked 25/9, 2019 at 2:21

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Using GStreamer (gst-launch1.0), I am multiplexing two streams One contains the silence Other contains the audio speech But the problem is that the quality of the audio output is not good. The...
Curb asked 30/8, 2019 at 5:24

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