[Alsa-user] alsa compilation for ubuntu 20.04

2020-09-15 Thread Olivier SCHMITT
Hello dear all, I have compile my ubuntu kernel with CONFIG_SND_MAX_CARDS up to 256 to get more id cards. Actualy i search to compile alsa-lib and alsa-utils with "--with-max-cards=256". This works on ubuntu 18.04 Compilation and installation ok. But when i try aplay -L i get all alsa loopba

[Alsa-user] official python alsa library

2020-08-29 Thread Olivier SCHMITT
Hello, I have developed quite a few python scripts using audio. Most of the time I use pyaudio. However, pyaudio does not allow a clear selection of inputs and outputs. Everything must be configured by asoundrc or selected by a ID pyaudio specific... I am looking for a library closer to the al

[Alsa-user] Changing the loopback name

2017-06-23 Thread Olivier Schmitt
Dear Alsa Users, I have find in /etc/modprobe.d/alsa-base.conf how to change the loopback id and index. But i dont find how to change the name. For example: options snd-aloop index=1 id=loop6m name=loop6m enable=1 pcm_substreams=2 When i get alsacap utility anwser: Card 1, ID `loop6m', na

[Alsa-user] alsa loopback in 384khz

2017-06-15 Thread Olivier Schmitt
Hello, I juste whant to ask the community how can we use some alsa loopback in 384khz or 768khz sample rate. Dont ask me why, the reply is that i am an radio ham and we use lot of loopback for signal processing. But for somme reason we need more than 192khz of sample rate. Thanks in advance dea

[Alsa-user] use S24_3LE on alsa loopback

2016-11-04 Thread Olivier Schmitt
Hello, Can someone say me how to use *S24_3LE format on a loopback?* *I use an card who use * *S24_3LE format as output and i use alsaloop for connected them to a loopback. But alsaloop say that my loopback can't use S24_3LE format.* *Thanks in advance.*

[Alsa-user] CREATIVE EMU 0202 driver in 192khz

2016-11-02 Thread Olivier Schmitt
Hello, I am SCHMITT Olivier and I am IT manager for a Radio Ham Club. Let me explain quickly, I search to use ADC (line in) from an Creative Creative EMU 0202 in 192K but it was detected by alsa on 48k sample rate only. I have a computer that I need to update. It runs on 32-bit version 17 Linux