[Alsa-user] maximum DMA buffer size

Hi all, According to the changelog of 1.0.14-rc1: hda_intel: increase maximum DMA buffer size to 1024MB This buffer is set to 64KB by default and I can raise it to 512KB by: echo 512 > /proc/asound/card0/pcm0p/sub0/prealloc This works. I noticed there is also a /proc/asound/card0/pcm1p/sub0/prea

[Alsa-user] analog and digital out

Hi all, I would like my soundcard to play to the analog and digital out at the same time. The reason is that my PC is connected via analog to my TV and the digital out is connected to my surround receiver. So I don't have to turn my receiver on when I want to watch something. If I don't have an a

[Alsa-user] output to analog and digital

Hi, I have 2 simple questions: How can I send the sound to analog and digital output at the same time? Both apart are working. And second: is it possible to upmix normal stereo to ac3? I have a receiver connected to my soundcard. Thanks, Wouter

[Alsa-user] problems getting spdif to work on hda-intel

Hi, I have some problems to get spdif working on my machine. # aplay -D spdif /usr/share/sounds/alsa/Noise.wav aplay: main:550: audio open error: No such file or directory But this works: # aplay /usr/share/sounds/alsa/Noise.wav Playing WAVE '/usr/share/sounds/alsa/Noise.wav' : Signed 16 bit Litt