[AudioI] AUDIO INJECTOR STEREO SOUND CARD works on RASPBERRY pi 4b with Raspbian buster ?

[Esteban Mocetti]

Perfect!. Thank you. Previously i dont reply to all the list, excuse me.
And thank you again.

El mar., 1 sept. 2020 13:43, Ron <w4mmp at aol.com> escribió:

> Hello Esteban,
>
> Try this first before re-installing the O.S.   sudo apt install
> alsa-utils   .   You may need to do a:   sudo apt update and then sudo apt
> full-upgrade before installing the alsa utils.
>
> After this is completed at a command line, try:   aplay -l.  This will
> list all the attached audio devices.   If it shows audio devices then try:
> alsamixer.
>
> If none of this works,  I think you will need to download the current
> Raspbian O.S from the Raspberry site:
> https://www.raspberrypi.org/downloads/raspberry-pi-os/
>
> Make sure you select "Raspberry Pi OS (32-bit) with desktop and
> recommended software". Do not select either of the other options.  You want
> the full package.
>
> 73,
> Ron / W4MMP
>
> On 9/1/2020 12:14, Esteban Mocetti wrote:
>
> Apparently they are not installed or not in the same place, I installed
> Raspbian buster via raspbian imager, days before they change the name of
> Raspbian Buster to official raspberry pi OS (in july 2020, i dont remember
> the exact day). I did update and upgrade later. But in the desktop menu
> ALSA mixer is not there... like it was on RPI3B+, and when I try some
> ALSAmixer commands from terminal... it returns the message....command not
> found. Do I need to install again Raspberry pi OS from raspbian imager
> again (previously formating and erasing all from the sd card), or
> installing ALSA utils package manually could solve my problem?.
> Thank you very much for your answer!
> Esteban
>
> El mar., 1 sept. 2020 12:19, Ron via People <
> people at lists.audioinjector.net> escribió:
>
>> Hello Esteban,
>>
>> I'm not sure why you say the ALSA mixer commands are not available.  I
>> just performed a complete installation of Buster (A.K.A Raspbian O.S.) on a
>> RPi 4B.   Alsamixer is available along with the other ALSA utilities.  I
>> use it control the Audio Injector Zero.
>>
>> 73,
>> Ron / W4MMP
>>
>> On 8/31/2020 16:44, Esteban Mocetti via People wrote:
>>
>> Since ALSA mixer commands are not accessible from Linux Raspbian Buster
>> in RPi4b, I saw that they are replaced by  *PulseAudio,* a
>> network-capable sound server program distributed via the freedesktop.org
>>  project.
>> In broad terms I understand ALSA is a kernel subsystem that provides the
>> sound hardware driver, and PulseAudio is the interface engine between
>> Applications and ALSA. In a typical installation scenario under Linux,
>> the user configures ALSA to use a virtual device provided by PulseAudio.
>> Thus, applications using ALSA will output sound to PulseAudio, which then
>> uses ALSA itself to access the real sound card. PulseAudio also provides
>> its own native interface to applications that want to support PulseAudio
>> directly, as well as a legacy interface for ESD applications, making it
>> suitable as a drop-in replacement for ESD. I cannot find ALSA mixer
>> commands in raspbian buster, that is because they are not there, so the
>> sound uses pulseaudio directly ? or ALSA is running behind pulse audio?
>>
>> So, in this context.... Audio Injector Stereo Sound Card... with Raspbian
>> buster on RPi4b.. will still work with pulseaudio directly or only with
>> ALSA mixer behind?, I need to reinstall ALSA mixer to recognize and access
>> the sound card parameters?, or I can access and control sound card
>> with ALSA behind pulse audio in some form?. Is it possible to manage sound
>> cards via pulseaudio directly?. Has anyone tested this issue? Do I need to
>> go back to RPI3b+ and Raspbian Jesse to use ALSA mixer with this sound
>> card?
>> A lot of questions.. excuse me....
>> Please, if anyone could help me..., it will be really important for a
>> music project with my son at school now, so it will affect the decision to
>> buy 5 to 10 sound stereo cards from audio injector. I am from Argentina,
>> sorry for my english since it is not my native language.
>> Thank you very much in advance to everyone.
>> Esteban.
>>
>>
>> --
>> People mailing list
>> People at lists.audioinjector.net
>> https://lists.audioinjector.net/mailman/listinfo/people
>>
>
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