Audio Path for Alta
Audio Path for Solitude
Alta and Solitude audio paths are very similar but there are distinct differences with Solitude having additional features.
Alta
- Power Detect Engine
Solitude
- eARC RX
- Voice Activity Detection Engine
- TODDR_D
- FRDDR_D
- Dual Split SPDIF_IN/TDMIN Loopback Paths with Resampling
To configure Alsa/Solitude audio, please let the following alsamixer parameters:
# FRDDR A to TDMOUT C
amixer sset 'FRDDR_A SINK 1 SEL' 'OUT 2'
amixer sset 'FRDDR_A SRC 1 EN' on
amixer sset 'TDMOUT_C SRC SEL' 'IN 0'
# TDM C to TOHDMITX
amixer sset 'TOHDMITX I2S SRC' 'I2S C'
amixer sset 'TOHDMITX' on
# FRDDR B to TDMOUT B
amixer sset 'FRDDR_B SINK 1 SEL' 'OUT 1'
amixer sset 'FRDDR_B SRC 1 EN' on
amixer sset 'TDMOUT_B SRC SEL' 'IN 1'
# TDMOUT B to ACODEC
amixer sset 'TOACODEC SRC' 'I2S B'
amixer sset 'TOACODEC OUT EN' on
amixer sset 'ACODEC' 90%