If you don’t find debian / dev / dsp on your system, this user guide will help you fix the problem.
I’m currently working on a Linux tutorial and that tells me a lot. It says that when I put the appropriate output in / dev / dsp , this idea produces a playback sound. It’s cat file.wav> / dev / dsp , the file.wav location is just any .wav file.
When I do, my permission will be denied. When I do this with sudo, I am actually denied permission. When I play First, su , there is no sound.
Why should I be denied permission?using sudo ? Why doesn’t sound play despite using su ?
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/ dev / dsp is a piece of OSS that has not been part of the Linux kernel for a long time. It has long been replaced by ALSA, which uses different devices, capabilities, and a different API.
However, there is a module for emulating clothing layers. If it can be used, loading the snd-pcm-oss module ensures that you can use PCM devices via OSS, for example , / dev / dsp .
Or stick to data transfer in aplay or paplay .
answered Dec 4 ’13 at 23:02
When I do this via sudo, I am always denied permission.
Following the instruction, it looks like you are running a meaningful test command, for example:
sudo cat file.wav> / dev / dsp
Also, you always get a “Permission Denied” message because your shell first tries to open / dev / dsp for output before running the command (. - sudo ). To be able to open a shell as root for redirection, you need to do the following:
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