opus Questions

1

Using patent-free audio and video codecs on the web has always been problematic due to poor support in Safari. According to the Safari 15 release notes, though, this might be starting to change. We...
Manhood asked 28/11, 2021 at 12:32

3

Solved

I am recording input microphone from a web page with WebRTC and process it through SoX. Problem is, Firefox recordings are in Opus Audio format (according to VLC media informations), in an Ogg con...
Dislocate asked 11/3, 2014 at 10:3

5

Everytime i run my discord speech recognition code it goes online but as soon as it join the channel my code shows Error: Cannot find module '@discordjs/opus' Require stack: - C:\Users\SURYASH\Desk...
Milissa asked 26/1, 2021 at 5:4

2

Is there a converter that can convert MP3 files to Ogg Opus? Can you recommend one that can do it? So far I've tried Adobe Audition, Xilisoft Audio Converter Pro, WinAVI Video Converter, and Aimers...
Duality asked 4/7, 2016 at 13:10

1

A complete novice question here. I am pretty familiar with programming in C/C++ on Linux environments. However, I have no experience whatsoever with Android environment, let alone when it comes to ...
Hippomenes asked 8/1, 2021 at 18:32

2

I just want to get a audio file(opus codec used) only in webm file. I try to search what is webm format, how to parse, but I cant get info well. I check that webm format is from mkv, then should I ...
Boatel asked 4/9, 2019 at 0:8

1

I'm doing a little bit of research about the DTX option in Opus: Discontinuous Transmission (DTX) reduces the bitrate during silence or background noise. When DTX is enabled, only one frame is ...
Nonintervention asked 5/6, 2016 at 12:45

1

Solved

I'm trying to use the library https://github.com/AnthumChris/opus-stream-decoder/ I have a stream of OPUS encoded sound (2ch, 48kHz) from a high quality microphone (but I play a music in loop on it...
Stimson asked 3/11, 2020 at 13:11

0

I am trying to convert a WAV file to Opus, using Node's fs.readFile and passing that buffer to @Discord/opus converter. I get neither the result or a error thrown with a explanation of what is wron...
Galven asked 1/7, 2020 at 17:9

0

I'm using the SpeechToText API to get a speech transcription from a live microphone recording. This is working well with a simple LINEAR16 encoding but I need to reduce the bandwidth so I switched ...
Embowel asked 12/12, 2019 at 11:46

2

Solved

I have tested with the highest quality settings and multiple STUN/TURN servers with no luck in finding a real high quality stream. In my experience webRTC always has a fluctuating and limited ban...
Flask asked 5/9, 2017 at 21:8

3

Solved

I have music encoded in Vorbis format and also starded encoding some of my albums to the new Opus format. Is there a way I can copy and play them to my iPhone ? xiph.org wiki page states about vorb...
Strephonn asked 16/2, 2014 at 16:41

1

Solved

I'm trying to use the opus Forward Error Correction (FEC) feature. I have a service which does the encoding with OPUS_SET_INBAND_FEC(1) and OPUS_SET_PACKET_LOSS_PERC(20) with 10ms packets and sends...
Stearns asked 22/3, 2018 at 11:32

1

I want to stream audio (opus codec) with ffmpeg directly to android device. On PC i start stream: ./ffmpeg -re -stream_loop -1 -i akgld-c8mxm.opus -acodec libopus -ac 1 -ab 96k -vn -f rtp rtp://...
Stead asked 27/4, 2017 at 11:47

1

Solved

This is probably quite simple. I have an Android project that uses NDK. I will like to include the opus source code in the native code. I have tried using the ExternalProject_Add property of CMak...
Endicott asked 2/12, 2017 at 4:35

2

I'm developing an app for recognizing speech using the Google cloud speech API and recording audio simultaneously: GitHub link. I tried to play recorded .opus audio file getting IOException ...

1

Solved

I have simple code that decodes opus frame into audio samples. It works on Android but it crashes in Unity3D iOS project and does not crash in regular iOS project. EXC_BAD_ACCESS (code=1, address=...
Duquette asked 3/11, 2016 at 13:8

1

I am capturing a live audio stream to Opus, and no matter what I choose for the audio sample rate, I get 48khz output. This is my command line ./ffmpeg -f alsa -ar 16000 -i sysdefault:CARD=CODE...
Mailemailed asked 27/8, 2016 at 22:18

2

Solved

We have the captured pcap file which includes RTP opus payload per rfc6716, now we can cut off the RTP header and extract the opus payload, we want to encapsulate the payload to ogg opus per spec h...
Spittoon asked 22/5, 2015 at 2:16

2

Solved

When playing back the decoded audio, I've managed to produce a variety of sounds from gurgling to screeching to demonic chants. The closest of which sounds similar to being played in fast-forward a...
Cartilaginous asked 8/10, 2014 at 7:7

2

I'm working on a project that need to record and playback with Opus Codec, I search a lot but I can't find any demo/example using that solution. I find a demo having encoder but can't find the deco...
Anselma asked 20/11, 2014 at 14:33

1

I have .wav files and I would to encode them using opus, write everything in an .opus file then read it with vlc for example. I have done some code using the opus trivial example but the quality is...
Pecten asked 8/9, 2015 at 12:28

1

Solved

I am working on a webRTC web application which works wonderfully so far. What I have not figured out yet is how to tell the Opus codec to (force) use "full band", for example. Setting the codec up...
Blackandwhite asked 9/9, 2015 at 7:12

1

How can I play opus audio in browsers which are old or not compatible with the audio format. At the moment I serve the audio link in a html5 <audio> tag which works in Firefox and Chrome but...
Chantellechanter asked 9/7, 2015 at 7:30

4

Solved

I am trying to compile the opus audio codec (http://www.opus-codec.org/downloads/) for use in an Android application. I am using Android NDK (release 6) to compile my libraries. Up to now, the nati...
Fantastically asked 25/7, 2013 at 21:45

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