Hi Takashi, On Friday, 22 May 2020 13:36:13 CEST Melvin Vermeeren wrote: > Since I am running 5.5.17 > (buster-backports) kernel right now I will do some testing later today to > see if there are still any issues in this version, the Mytek is still used > daily. I have just tested it with 5.5.17 and can confirm this issue still exists. It is not very noticeable when playing music but it instantly apparent when playing a 500hz tone for a few seconds. It sounds there is some small ticking in the background instead of a pure tone. Happens every few hundred milliseconds or so and is fully consistent, as if a timing or cycle issue. Next I checked with current master v5.7-rc2-1808-g40e1763b6246 (snd_dice and snd_firewire_lib) with the same results. I believe the status is the same posted in 2018[1][2]. The old out-of-tree have served me well throughout the years, so I will probably keep using them for now. Perhaps this final issue will be found one day, if I can help you with anything please let me know. [1] https://www.alsa-project.org/pipermail/alsa-devel/2018-June/136829.html [2] https://www.alsa-project.org/pipermail/alsa-devel/2018-June/137160.html Thanks, -- Melvin Vermeeren
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