Teac AI-303 2-Channel Desktop Integrated Amplifier with Hi-Res DAC & Bluetooth (Black) - Manual (Page 22)

22
Sampling frequency display during
playback
Press the remote control DISPLAY button to show for a few
seconds the sampling frequency (Fs) of the sound source
playing back.
Digital filters
Press the remote control FILTER button to change the digital
filter type.
o This setting has no effect when the input is DSD.
RDOT filter
RDOT is an analogous interpolation method, that uses flu-
ency logic. This filter features re-creation of natural tones and
sound space. With upconversion, 4 settings are available.
FIR filter
This FIR filter features short delay with slow roll-off. Compared
to RDOT, the sound is warmer. Upconversion is disabled.
Playback operations
Upconversion
The upconversion function can be used with input sources
other than analog audio.
Press the remote control UPCONVERT button to change this
setting.
o This setting only functions when the RDOT digital filter
is selected.
The relationships between input sampling frequencies and
sampling frequencies after upconversion are shown on the
table below.
Input source Upconversion setting
Digital
audio input
USB OFF 2× Fs 4× Fs 8× Fs
Input sampling
frequency
Sampling frequency after upconversion
[kHz] [kHz]
32 − 32 64 128 256
44.1 44.1 44.1 88.2 176.4 352.8
88.2 88.2 88.2 88.2 176.4 352.8
176.4 176.4 176.4 176.4 176.4 352.8
− 352.8 352.8 352.8 352.8 352.8
48 48 48 96 192 384
96 96 96 96 192 384
192 192 192 192 192 384
− 384 384 384 384 384
These values are not converted.
o The maximum upconversion is 8× Fs.
o Upconversion is not possible when the input is DSD.