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by Pulsar33
Sat Feb 15, 2020 5:59 am
Forum: Graphics, sound and multimedia
Topic: [UNSOLVED but ...] RPi4 : How to record desktop audio ?
Replies: 60
Views: 4861

Re: RPi4 : How to record desktop audio ?

... of the team people : pulseaudio doesn't work on Pi4 and is discouraged I don't have speakers on my Pi. [...] I havent' investigated why it's only Mono As I said, yes "it works" (pulseaudio and audacity) but normal use of the audio functions is no longer possible. I'm currently trying to adapt ...
by bls
Fri Feb 14, 2020 11:15 pm
Forum: Graphics, sound and multimedia
Topic: [UNSOLVED but ...] RPi4 : How to record desktop audio ?
Replies: 60
Views: 4861

Re: RPi4 : How to record desktop audio ?

... or vlc playing a video or audio stream) On pavucontrol's Playback tab, change the app's "playback on" setting to be the "built-in audio analog mono" if it is not set to this Start audacity recording, and then on pavucontrol's Recording tab, ensure that ALSA plug-in is set to record from "Monitor ...
by Brooklyn
Wed Feb 12, 2020 6:54 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: [Solved] Serial Communication between Raspberry Pi & Arduino (C# problems)
Replies: 7
Views: 497

[Solved] Serial Communication between Raspberry Pi & Arduino (C# problems)

... but found nothing. I have an original Arduino UNO. My Serial poort is /dev/ttyACM0 Knipsel.PNG This what happen when I run the .exe file with mono Knipsel2.PNG I am from Belgium so my debugging in Dutch. you can see it gets stuck when he wants to read it. The problem was that Arduino have ...
by besi
Mon Feb 10, 2020 8:25 pm
Forum: Graphics, sound and multimedia
Topic: Storing parameters in .asoundrc does not apply
Replies: 0
Views: 192

Storing parameters in .asoundrc does not apply

I have a microphone and I can record voice like so: arecord test.wav -r 22050 -f S32_LE -V mono So far so good. However, when a third party software that I'm using (which I think uses ffmpeg internally), wants to use the microphone it fails, since it does not use the ...
by Pulsar33
Mon Feb 10, 2020 7:14 pm
Forum: Graphics, sound and multimedia
Topic: [UNSOLVED but ...] RPi4 : How to record desktop audio ?
Replies: 60
Views: 4861

Re: RPi4 : How to record desktop audio ?

... distribution too but every time I've installed pulseaudio, I've been facing problems. The sound is fading, has glitches, stereo falls down to mono, and other bugs ... Are you sure that there's no problem like this with Manjaro ? Should I give a try to Manjaro-ARM-kde-plasma-rpi4-19.12 ? BR ...
by LdB
Mon Feb 10, 2020 3:03 am
Forum: C/C++
Topic: Libraries for SPI and GPIO in 2020
Replies: 37
Views: 3329

Re: Libraries for SPI and GPIO in 2020

I worked out after there was a mono and coloured and you had mono from you image. Yes I will put in loop mode but also they give circuits so I can check the start command is acknowledged because the signals will start up to the segment driver. ...
by hippy
Sun Feb 09, 2020 11:28 am
Forum: General programming discussion
Topic: Run Visual Basic App on RP
Replies: 5
Views: 889

Re: Run Visual Basic App on RP

... a Pi Zero or other Pre-3B boards. If you don't have a Pi then a 4B is likely the best choice, and possibly the more memory the better. To install Mono and VB.Net support ... sudo apt-get install mono-complete sudo apt-get install mono-vbnc pi@Pi3B:~/tmp $ mono --version Mono JIT compiler version ...
by ejolson
Sun Feb 09, 2020 3:40 am
Forum: General programming discussion
Topic: Run Visual Basic App on RP
Replies: 5
Views: 889

Re: Run Visual Basic App on RP

... framework version 4.7.2 is covered? Sorry, I'm not an expert in different versions. There is some information about application portability on the Mono webpage at https://www.mono-project.com/docs/getting-started/application-portability/ According to the webpage You can continue to use Visual Studio ...
by ejolson
Sun Feb 09, 2020 2:36 am
Forum: General programming discussion
Topic: Run Visual Basic App on RP
Replies: 5
Views: 889

Re: Run Visual Basic App on RP

... need? Depending on which version of Visual Basic and whether you made unlucky use of deprecated mouse interfaces, it could be as easy as vbnc for mono. https://www.mono-project.com/docs/about-mono/languages/visualbasic/ In my experience vbnc works quite well. Note that you do not need to follow ...
by Gavinmc42
Fri Feb 07, 2020 7:12 am
Forum: Off topic discussion
Topic: Pi-powered Resin Printer!
Replies: 2
Views: 1451

Re: Pi-powered Resin Printer!

... booting times, it may not need Linux, even then PiCore linux takes about 12secs without tweaks. 2-3 secs for Ultibo and other bare metal Os's. 4K mono screen, perhaps one day? Nice price.
by sirozha
Wed Feb 05, 2020 2:00 am
Forum: Troubleshooting
Topic: analog Sound Raspberry PI 4 is mono, not stereo
Replies: 53
Views: 6092

Re: analog Sound Raspberry PI 4 is mono, not stereo

... to Mate. I had several issues with the sound: 1. When I installed PulseAudio, I realized that the sound that was stereo under pure ALSA became mono after PulseAudio was installed. 2. Because of the mono sound, I decided to uninstall PulseAudio and run on pure ALSA. Therefore, I had to install ...
by Galaxy5
Wed Feb 05, 2020 12:27 am
Forum: Graphics, sound and multimedia
Topic: Analog Speaker Output Pi 4B
Replies: 5
Views: 1219

Re: Analog Speaker Output Pi 4B

... module Thanks! looks like just what I needed - they also give you wiring instructions [ur=https://learn.adafruit.com/adafruit-max98357-i2s-class-d-mono-amp/raspberry-pi-wiringl]here[/url].
by mikmas
Tue Feb 04, 2020 6:54 pm
Forum: Other programming languages
Topic: [Mono/C#] get frame from USB camera
Replies: 0
Views: 968

[Mono/C#] get frame from USB camera

Is there any library for raspbian, where i can easily shot picture every few minutes from at least 2 USB cameras? I tried to use EmguCV, but it works perfectly only under windows. In documentation i can read that it is possible, but i must compile some repositories. I would prefer precompiled binari...
by HantZ_
Tue Feb 04, 2020 8:50 am
Forum: Français
Topic: Contrôle d'une base de donnée avec un Raspberry
Replies: 14
Views: 1587

Re: Contrôle d'une base de donnée avec un Raspberry

pourquoi pas une bdd locale sqlite avec l'outil de gestion sqlitebrowser. C'est mono-utilisateur et c'est sans doute suffisant pour toi. OK avec ernesto pour gérer la barrière infrarouge par le RPi. pour gérer le nombre de personnes un fichier contenant le nombre ...
by fruitoftheloom
Tue Feb 04, 2020 4:48 am
Forum: Graphics, sound and multimedia
Topic: No sound from 3.5mm jack on a raspberry pi 4 [solved]
Replies: 6
Views: 4931

Re: No sound from 3.5mm jack on a raspberry pi 4

... mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 65536 Mono: Front Left: Playback 65536 [100%] [on] Front Right: Playback 65536 [100%] [on] Simple mixer control 'Capture',0 Capabilities: cvolume cvolume-joined ...
by PranavLal
Tue Feb 04, 2020 12:28 am
Forum: Graphics, sound and multimedia
Topic: No sound from 3.5mm jack on a raspberry pi 4 [solved]
Replies: 6
Views: 4931

No sound from 3.5mm jack on a raspberry pi 4 [solved]

... mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 65536 Mono: Front Left: Playback 65536 [100%] [on] Front Right: Playback 65536 [100%] [on] Simple mixer control 'Capture',0 Capabilities: cvolume cvolume-joined ...
by ejolson
Fri Jan 31, 2020 8:35 pm
Forum: General discussion
Topic: Multi-Seat use of RPi 4
Replies: 48
Views: 7612

Re: Multi-Seat use of RPi 4

... sound, you could split the analogue stereo audio left and right, and use a horrible hack to make it seem like two sound cards which happen to be mono! I think the difficulty of making multi-seat use work well will outweigh the cost of the additional Pi computers. Where to get the money is a different ...
by speculatrix2
Fri Jan 31, 2020 7:57 pm
Forum: General discussion
Topic: Multi-Seat use of RPi 4
Replies: 48
Views: 7612

Re: Multi-Seat use of RPi 4

... sound, you could split the analogue stereo audio left and right, and use a horrible hack to make it seem like two sound cards which happen to be mono!
by Pulsar33
Fri Jan 31, 2020 8:56 am
Forum: Graphics, sound and multimedia
Topic: [UNSOLVED but ...] RPi4 : How to record desktop audio ?
Replies: 60
Views: 4861

Re: RPi4 : How to record desktop audio ?

... And this is only a limitation of ALSA because if you install pulseaudio, the audio mix can be found and used (unfortunately, you fall down to mono and you have unacceptable other drawbacks) However, have a nice day Pulsar33
by totoharibo
Wed Jan 29, 2020 10:24 am
Forum: Français
Topic: Contrôle d'une base de donnée avec un Raspberry
Replies: 14
Views: 1587

Re: Contrôle d'une base de donnée avec un Raspberry

pourquoi pas une bdd locale sqlite avec l'outil de gestion sqlitebrowser. C'est mono-utilisateur et c'est sans doute suffisant pour toi. OK avec ernesto pour gérer la barrière infrarouge par le RPi. pour gérer le nombre de personnes un fichier contenant le nombre ...
by guyver2
Mon Jan 27, 2020 2:41 pm
Forum: Graphics, sound and multimedia
Topic: Pi Boombox looking for input on improvements
Replies: 0
Views: 358

Pi Boombox looking for input on improvements

... reader. move to a single speaker more "round" shaped, this should help arrange the electronic differently but at the cost of moving from stereo to mono. I'm open to suggestions.
by sirozha
Sun Jan 26, 2020 3:47 pm
Forum: Advanced users
Topic: Need help switching from on-board analog audio to Bluetooth audio with BlueALSA (PulseAudio uninstalled)
Replies: 0
Views: 305

Need help switching from on-board analog audio to Bluetooth audio with BlueALSA (PulseAudio uninstalled)

I'm using Mate Desktop with Raspbian Buster on Raspberry Pi 4B. PulseAdio causes all audio output via the on-board analog audio jack to be mono. Therefore, I uninstalled PulseAudio completely and am using ALSA exclusively. For the GUI volume applet in System Tray I'm using pnmixer because the ...
by tirex
Sat Jan 25, 2020 10:33 am
Forum: Java
Topic: JOGL less performance than kmscube
Replies: 1
Views: 1803

JOGL less performance than kmscube

... false useAnimator true traceMouse false Start-Demo requested: vsync 1, GLCaps[rgba 8/8/8/0, opaque, accum-rgba 0/0/0/0, dp/st/ms 16/0/0, dbl, mono , hw, GLProfile[GLES3/GLES3.hw], on-scr[.]] Loading com.jogamp.opengl.demos.es2.GearsES2(1) Choosen demo com.jogamp.opengl.demos.es2.GearsES2 Create ...
by AndrewK2020
Fri Jan 24, 2020 7:03 pm
Forum: Other programming languages
Topic: [C#] Mono Speech recognition
Replies: 0
Views: 489

[C#] Mono Speech recognition

Hello all, I was wondering if System.Speech is implemented in Mono for Linux or some other type of speech recognition library for my pi, also for a speech recognition program on a pi, how much RAM would I need?
by 996owner
Thu Jan 23, 2020 10:55 am
Forum: General discussion
Topic: Guidance please for a media project.
Replies: 2
Views: 297

Guidance please for a media project.

... Ubuntu Mate, the issues are... I can't get Anydesk remote control software to install, Operating system is very slow and the soundcard output is mono. Given up with Mate especially as sound is mono. Now playing with. Raspbian Buster with desktop and recommended software. Much better, Stereo sound ...

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