Open ghost opened 6 years ago
Many multichannel audio codecs, ADCs, DACs, Digital Amplifers support multichannel TDM signals over a single i2s connection (BCK, WS, DAT). TDM also allows devices to daisy-chain. However, more channels results in higher sclk and ws frequency.
Spec https://d3uzseaevmutz1.cloudfront.net/pubs/appNote/AN301REV1.pdf
Example high end multi-channel DAC https://www.akm.com/akm/en/file/datasheet/AK4458VN.pdf
TDM Audio Signals
Justification
Many multichannel audio codecs, ADCs, DACs, Digital Amplifers support multichannel TDM signals over a single i2s connection (BCK, WS, DAT). TDM also allows devices to daisy-chain. However, more channels results in higher sclk and ws frequency.
Spec https://d3uzseaevmutz1.cloudfront.net/pubs/appNote/AN301REV1.pdf
Example high end multi-channel DAC https://www.akm.com/akm/en/file/datasheet/AK4458VN.pdf