Jaca wrote: 
> OK installed HiFiBerry DAC+ Pro and it sound as good as SB Touch on my
> HiFi (which probably isn't good enough to hear difference :rolleyes: )
> .. 
> 
> I tried different card ALSA output but again don't hear any difference..
> Anyone knows what is all about? 
> 
> default:CARD=sndrpihifiberry   - snd_rpi_hifiberry_dacplus, HiFiBerry
> DAC+ Pro HiFi pcm512x-hifi-0 - Default Audio Device
> sysdefault:CARD=sndrpihifiberry - snd_rpi_hifiberry_dacplus, HiFiBerry
> DAC+ Pro HiFi pcm512x-hifi-0 - Default Audio Device
> dmix:CARD=sndrpihifiberry,DEV=0 - snd_rpi_hifiberry_dacplus, HiFiBerry
> DAC+ Pro HiFi pcm512x-hifi-0 - Direct sample mixing device
> dsnoop:CARD=sndrpihifiberry,DEV=0 - snd_rpi_hifiberry_dacplus, HiFiBerry
> DAC+ Pro HiFi pcm512x-hifi-0 - Direct sample snooping device
> hw:CARD=sndrpihifiberry,DEV=0  - snd_rpi_hifiberry_dacplus, HiFiBerry
> DAC+ Pro HiFi pcm512x-hifi-0 - Direct hardware device without any
> conversions
> plughw:CARD=sndrpihifiberry,DEV=0 - snd_rpi_hifiberry_dacplus, HiFiBerry
> DAC+ Pro HiFi pcm512x-hifi-0 - Hardware device with all software
> conversions


https://en.wikipedia.org/wiki/Advanced_Linux_Sound_Architecture

I mostly use either of these two

> hw:CARD=sndrpihifiberry,DEV=0 - snd_rpi_hifiberry_dacplus, HiFiBerry
> DAC+ Pro HiFi pcm512x-hifi-0 - Direct hardware device without any
> conversions
> plughw:CARD=sndrpihifiberry,DEV=0 - snd_rpi_hifiberry_dacplus, HiFiBerry
> DAC+ Pro HiFi pcm512x-hifi-0 - Hardware device with all software
> conversions

ronnie


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