We have three Intel-based laptops of various vintages, from a year old to 15 years old. Their built-in Intel audio hardware's native rate is 48Khz. I've played 44.1Khz CD audio on all three, via Pulse or JACK, without any distortion. On January 5, 2022 9:55:36 AM HST, Paul Davis <paul@xxxxxxxxxxxxxxxxxxxxx> wrote: > ALSA will never allow the "wrong" format to be delivered to the device. > > If you select a format the device does not support, ALSA will not > allow the device configuration step to succeed. > > If the device lies about what formats it supports, well, that's a > different issue. > > On Wed, Jan 5, 2022 at 12:39 PM <nik@xxxxxxxxxxxxxxx> wrote: > > > > Well, that was just an example ... but I've played around with intentionally using > > the "wrong" sample format to make noise music, and it sounds very similar. > > > > > > Paul Davis wrote on 05.01.2022 20:08 (GMT +01:00): > > > there are almost no audio interfaces that accept F32, let alone require > > > it. > > > > > > On Wed, Jan 5, 2022 at 11:27 AM <nik@xxxxxxxxxxxxxxx> wrote: > > > > > > > > Yes, that was a typo. It was meant to be 44100. > > > > > > > > The codec supports that rate. > > > > > > > > But I think it's more about the sample format than the sample rate. > > > > It really sounds like the card expects F32 but is sent S16_LE, and vice > > > versa. > > > > > > > > Best, > > > > n > > > > > > > > > > > > Michael Jarosch wrote on 05.01.2022 11:00 (GMT +01:00): > > > > > Am 05.01.22 um 10:34 schrieb nik@xxxxxxxxxxxxxxx: > > > > > > My typical start options are - jackd -P98 -dalsa -dhw:0 -r44000 > > > -p512 > > > > > -n5 > > > > > > > > > > That's a typo, right? ;) > > > > > (44000 instead of 44100) > > > > > > > > > > My experience is that modern audio devices work better with a > > > samplerate > > > > > of 48000 Hz. Some of them don't even sync to 44100. My ten year old > > > T410 > > > > > does, fortunately: > > > > > > > > > > $ cat /proc/asound/card0/codec#0 |grep rates > > > > > rates [0x160]: 44100 48000 96000 > > > > > rates [0x560]: 44100 48000 96000 192000 > > > > > rates [0x560]: 44100 48000 96000 192000 > > > > > rates [0x160]: 44100 48000 96000 > > > > > rates [0x160]: 44100 48000 96000 > > > > > rates [0x160]: 44100 48000 96000 > > > > > rates [0x160]: 44100 48000 96000 > > > > > rates [0x160]: 44100 48000 96000 > > > > > > > > > > Also, n seems high to me. I usually start with lower numbers and > > > rather > > > > > play with the periods. > > > > > > > > > > greets! > > > > > Mitsch --- David W. Jones gnome@xxxxxxxxxxxxx exploring the landscape of god http://dancingtreefrog.com Sent from my Android device with F/LOSS K-9 Mail. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user
