Re: Karmic [9.10] issues with volume control, Master/PCM/LFE, and volume threshold
Far as I know yes, PCM and Wave are the same thing. Depending on your configuration you might prefer to control the master or the PCM/Wave. For example, IIRC there was a time when the Master was also the front speakers and changing that volume only would not change the center/lfe/surrounds for me, so controlling the PCM in that case would be preferred.
HTPC: MSI FM2-A55M-E33 mobo, Amd A8-5600k APU, 6GB RAM, 120GB Crucial SSD Ubuntu Mate 15.04, 500GB Windows XP SP3, HDMI Video, 5.1ch Analog Audio, XBMC/Kodi
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