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alsa - Why does aplay work when pulseaudio is running …
https://stackoverflow.com/questions/7183169/why-does-aplay-work-when-pulseaudio-is-running-and-else-not
It states that alsa (aplay) is configured to send its output to pulseaudio (which is your sound server) by default. When your sound server is not running you will not be able to hear a sound as you have observed. See also "PulseAudio Removal"section to detach it from alsa. I …
gentoo alsa pulseaudio - alsa mixer works; aplay straight ...
https://unix.stackexchange.com/questions/357856/gentoo-alsa-pulseaudio-alsa-mixer-works-aplay-straight-to-hw1-0-works-aplay
For pulseaudio, start pavucontrol and make sure your stream is going to the right output (not HDMI). Also, use paplay instead of aplay to remove complexity (and sources of errors). Without pulseaudio, have you tested aplay -D front:CARD=PCH,DEV=0 as suggested? I never understood ALSA device name matching completely, but possibly front alone can match something else.
sound - Setting the default ALSA device for Pulseaudio ...
https://askubuntu.com/questions/294512/setting-the-default-alsa-device-for-pulseaudio
Specifying the ALSA device does help though (that is, aplay -Dhw:1,0 sr003-02-2496.wav works just fine and plays the file without resampling). But since Pulseaudio only shows one Fiio device/sink in the sound settings, I'm not sure how I'd tell Pulseaudio to use ALSA device hw:1,0 .
PulseAudio/Examples - ArchWiki
https://wiki.archlinux.org/title/PulseAudio/Examples
Simultaneous HDMI and analog output. PulseAudio allows for simultaneous output to multiple sources. In this example, some applications are configured to use HDMI while others are configured to use analog. Multiple applications are able to receive audio at the same time. ( aplay is from the alsa-utils package.)
Noob’s Guide to Linux Audio: ALSA, OSS, and Pulse Audio ...
https://linuxhint.com/guide_linux_audio/
To check if both Pulse Audio and ALSA are present on your system, use the following two commands: Checking for PulseAudio: $ pactl list Checking for ALSA: $ aplay-l. Conclusion. Audio on Linux seems complicated because it really is. Untangling the web of legacy technologies and layers of abstraction can be a real challenge even for seasoned ...
ALSA/PULSEAUDIO ----- PULSEAUDIO/ALSA - Raspberry Pi Forums
https://forums.raspberrypi.com/viewtopic.php?t=272049
Don't waste your time with Pulse audio, It is a waste of space and does nothing useful. ... amixer, aplay, alsaconf are the equivalents of iptables. The section of the linux OS that deals with audio in the kernel is called Alsa. ... Alsa needs pulseaudio for 5.1 audio through HDMI ! happy raspiing !!! 8 posts • Page 1 of 1.
Linux の Audio 機能をコマンドラインで設定 - Qiita
https://qiita.com/propella/items/4699eda71cd742cba8d3
ALSA の aplay で再生を確認. ALSA とは、Linux で音声入出力を行うための標準的な仕組み。開発者は ALSA を使う事によってサウンドカードの違いに煩わせず互換性のある音声入出力プログラムを書くことが出来る。ALSA による音声再生をテストするには aplay ...
ざっくりとALSAとPulseAudioの関係(の続きのようなもの) - みつ …
https://mickey-happygolucky.hatenablog.com/entry/2019/08/30/125038
I: [pulseaudio] sink-input.c: Created input 0 "ALSA Playback" on alsa_output.platform-soc_audio.analog-mono with sample spec s16le 1ch 48000Hz and channel map mono I: [pulseaudio] sink-input.c: media.name = "ALSA Playback" I: [pulseaudio] sink-input.c: application.name = "ALSA plug-in [aplay]" I: [pulseaudio] sink-input.c: native-protocol.peer = …
DockerでPulseaudioを使って，ホストで音を出していてもコンテナで音を出せるようにする． - Qiita
https://qiita.com/Light606F/items/898081a73166c010473a
aplay -l とか aplay -L でサウンドデバイスを確認できるよ． aplayはapt install alsa-utilsで入れられるよ． ただし，今回はno soundcards foundでおっけーだよ. Dockerfileの設定. apt install pulseaudioを入れておく． DockerをRunするときの設定 準備 pulseaudio.socket ってファイルを …
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