Hall Research AD-340 - Manual (Page 15)

Universal Audio Delay Processor
13
 The AD-340 Auto Detects the Sampling Rates for Digital Input
o 32 kHz (DSR, PC-Audio)
o 44.1 kHz (CD, DTS-CD, PC-Audio)
o 48 kHz (DVD, BD, DAT, PC-Audio)
o 96 kHz (DVD, BD, PC-Audio)
o Audio Formats: 16, 20 or 24 bits
 The AD-340 Auto Detects the Digital Bitstream format:
o Linear PCM Data (both analog and digital output available)
o Dolby Digital Stereo and Surround (only digital output)
o DTS Surround (only digital output)
o DTS-CD Surround (only digital output)
 The AD-340 indicates SPDIF Errors and if SPDIF is Unlocked on the
GUI
o SPDIF PLL lock Range: 32 kHz to 196 kHz
3.3.2 Sampling Rates
For Analog Input, the user can choose between 48 kHz (for quality audio) or 32
kHz (for increased delay time) sampling rates. For all Digital Inputs the sampling
rate is auto-detected and cannot be changed by the user since the sampling
rates are set when the source material is encoded.
Input Type 32 kHz 44.1 kHz 48 kHz 96 kHz
Analog X X
Digital X X X X
 For Analog Input, select Sampling Rate: 32 kHz or 48 kHz
3.3.3 Audio Mute Function
User selectable Analog and Digital Audio Mute Functions.
GUI Mute Function
AOUT Mute Analog Output Mute – soft mutes the analog output from the Digital to
Analog Converter
DOUT Mute Digital Out Mute - Mutes the SPDIF Output
Auto-Mute Auto-Mute automatically mutes the Digital and Analog output briefly
when the user makes any adjustments of audio settings
(It is recommended to leave the auto-mute on)
NOTE: When an Encoded Bitstream format is detected, the AD-340 automatically
mutes the Analog Output and the AOUT is checked on the GUI. It is not possible
to change the AOUT Mute in this mode. The AOUT will automatically un-mute
again when the input changes to Analog or Digital PCM.