id summary reporter owner description type status priority milestone component version severity resolution keywords cc mlocked 9257 Audio Upmixing Does Not Appear to be Working Scott Harris JYA "Upmixing of 2 channel audio appears to have been broken in the last couple auto builds. Mythbuntu 10.04 64 bit, mythfrontend 24.0+fixes27280-0ubuntu0+mythbuntu1 results from aplay -L, which lines up with result when scanning for audio devices within myth. {{{ null Discard all samples (playback) or generate zero samples (capture) default:CARD=CMI8738 C-Media CMI8738, C-Media PCI DAC/ADC Default Audio Device front:CARD=CMI8738,DEV=0 C-Media CMI8738, C-Media PCI DAC/ADC Front speakers rear:CARD=CMI8738,DEV=0 C-Media CMI8738, C-Media PCI 2nd DAC Rear speakers surround40:CARD=CMI8738,DEV=0 C-Media CMI8738, C-Media PCI 2nd DAC 4.0 Surround output to Front and Rear speakers surround41:CARD=CMI8738,DEV=0 C-Media CMI8738, C-Media PCI 2nd DAC 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=CMI8738,DEV=0 C-Media CMI8738, C-Media PCI 2nd DAC 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=CMI8738,DEV=0 C-Media CMI8738, C-Media PCI 2nd DAC 5.1 Surround output to Front, Center, Rear and Subwoofer speakers iec958:CARD=CMI8738,DEV=0 C-Media CMI8738, C-Media PCI DAC/ADC IEC958 (S/PDIF) Digital Audio Output }}} MythTV Audio Settings in ""General""... Audio output device: default:CARD=CMI8738[[BR]] Dolby: Enabled[[BR]] DTS: Enabled[[BR]] Speaker Config: 5.1[[BR]] Upconvert: enabled[[BR]] Upmix Quality: Best[[BR]] Advanced audio configuration: enabled[[BR]] Separate digital output device: enabled[[BR]] Digital output device: ALSA:iec958:{ AES 0x02 }[[BR]] I have no special config files, this is all from a standard installation. These setting produced upmixed audio up until the last couple builds for the channel I played in the attached log. Attached to my receiver with an optical connection." Bug Report closed minor unknown MythTV - Audio Output 0.24-fixes medium Fixed 1