[SOLVED] hiccups with Meizu Hifi DAC

[MRamone]

@ Tim, question launched to manufacturer.

@ Theoldpresbyope, there you go:

pi@moode:~ $ alsacap
*** Scanning for playback devices ***
Card 0, ID `b1', name `bcm2835 HDMI 1'
Device 0, ID `bcm2835 HDMI 1', name `bcm2835 HDMI 1', 4 subdevices (4 available)
1..8 channels, sampling rate 8000..192000 Hz
Sample formats: U8, S16_LE
Buffer size range from 80 to 131072
Period size range from 80 to 131072

Subdevice 0, name `subdevice #0'
Subdevice 1, name `subdevice #1'
Subdevice 2, name `subdevice #2'
Subdevice 3, name `subdevice #3'
Card 1, ID `Headphones', name `bcm2835 Headphones'
Device 0, ID `bcm2835 Headphones', name `bcm2835 Headphones', 4 subdevices (4 available)
1..8 channels, sampling rate 8000..192000 Hz
Sample formats: U8, S16_LE
Buffer size range from 80 to 131072
Period size range from 80 to 131072

Subdevice 0, name `subdevice #0'
Subdevice 1, name `subdevice #1'
Subdevice 2, name `subdevice #2'
Subdevice 3, name `subdevice #3'
Card 2, ID `Amplif', name `Meizu HiFi DAC Headphone Amplif'
Device 0, ID `USB Audio', name `USB Audio', 1 subdevices (1 available)
2 channels, sampling rate 44100..384000 Hz
Sample formats: S16_LE, S32_LE, S24_3LE
Buffer size range from 16 to 262144
Period size range from 8 to 131072

Subdevice 0, name `subdevice #0'

@ both: thank you for your help