[mythtv-users] Problem with AC3, Audigy, and Pinnacle PCTV HD 800i

[Allen Edwards]

I wrote a wiki just for you:
http://www.mythtv.org/wiki?title=AllensDigitalAudioHowto

Please let me know what works and what doesn't.

Allen


On Sun, Feb 15, 2009 at 1:54 PM, Adam Miskiewicz <adam.skevy at mac.com> wrote:

> Hi -
>
> I just purchased a Pinnacle PCTV HD 800i and am trying to get it setup with
> Myth. I have gone through and followed various tutorials, and have ALMOST
> everything working. Analog channels work great, and I even was able to get
> all my digital channels to tune (after two days worth of work). My receiver
> is hooked up to my Audigy cards' analog/digital port using a mono 3.5mm to
> RCA cable.
>
> When I view the channels through my card in mplayer (which i have set up to
> use options channels=6 and afm=hwac3 in my mplayer config, so I just use the
> command "mplayer dvb://ABC12-HD" to view the channel), I get perfect
> passthrough. Channels with 2.1 work great, channels with 5.1 work great,
> etc, etc, etc. However, when I view those channels in MythTV, I get a
> buzzing sound. I have sound coming to the receiver from the analog side, but
> no luck from the digital.  My myth settings and aplay outputs are listed
> below.  If anyone has any other questions or if I forgot something please
> feel free to ask.  I'm beating my head against the wall with this.  I've
> spent two days getting everything working, and right when everything's
> almost done, this happens.
>
> I thank anyone for any assistance they may be able to provide.
>
> -Adam Miskiewicz
>
> Information from:
>
> aplay -L:
>
> front:CARD=Audigy,DEV=0
>    Audigy 1 [SB0090], ADC Capture/Standard PCM Playback
>    Front speakers
> rear:CARD=Audigy,DEV=0
>    Audigy 1 [SB0090], ADC Capture/Standard PCM Playback
>    Rear speakers
> center_lfe:CARD=Audigy,DEV=0
>    Audigy 1 [SB0090], ADC Capture/Standard PCM Playback
>    Center and Subwoofer speakers
> surround40:CARD=Audigy,DEV=0
>    Audigy 1 [SB0090], ADC Capture/Standard PCM Playback
>    4.0 Surround output to Front and Rear speakers
> surround41:CARD=Audigy,DEV=0
>    Audigy 1 [SB0090], ADC Capture/Standard PCM Playback
>    4.1 Surround output to Front, Rear and Subwoofer speakers
> surround50:CARD=Audigy,DEV=0
>    Audigy 1 [SB0090], ADC Capture/Standard PCM Playback
>    5.0 Surround output to Front, Center and Rear speakers
> surround51:CARD=Audigy,DEV=0
>    Audigy 1 [SB0090], ADC Capture/Standard PCM Playback
>    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
> iec958:CARD=Audigy,DEV=0
>    Audigy 1 [SB0090], ADC Capture/Standard PCM Playback
>    IEC958 (S/PDIF) Digital Audio Output
> null
>    Discard all samples (playback) or generate zero samples (capture)
>
> ------------------------
>
> aplay -l
>
> **** List of PLAYBACK Hardware Devices ****
> card 0: Audigy [Audigy 1 [SB0090]], device 0: emu10k1 [ADC Capture/Standard
> PCM Playback]
>  Subdevices: 32/32
>  Subdevice #0: subdevice #0
>  Subdevice #1: subdevice #1
>  Subdevice #2: subdevice #2
>  Subdevice #3: subdevice #3
>  Subdevice #4: subdevice #4
>  Subdevice #5: subdevice #5
>  Subdevice #6: subdevice #6
>  Subdevice #7: subdevice #7
>  Subdevice #8: subdevice #8
>  Subdevice #9: subdevice #9
>  Subdevice #10: subdevice #10
>  Subdevice #11: subdevice #11
>  Subdevice #12: subdevice #12
>  Subdevice #13: subdevice #13
>  Subdevice #14: subdevice #14
>  Subdevice #15: subdevice #15
>  Subdevice #16: subdevice #16
>  Subdevice #17: subdevice #17
>  Subdevice #18: subdevice #18
>  Subdevice #19: subdevice #19
>  Subdevice #20: subdevice #20
>  Subdevice #21: subdevice #21
>  Subdevice #22: subdevice #22
>  Subdevice #23: subdevice #23
>  Subdevice #24: subdevice #24
>  Subdevice #25: subdevice #25
>  Subdevice #26: subdevice #26
>  Subdevice #27: subdevice #27
>  Subdevice #28: subdevice #28
>  Subdevice #29: subdevice #29
>  Subdevice #30: subdevice #30
>  Subdevice #31: subdevice #31
> card 0: Audigy [Audigy 1 [SB0090]], device 2: emu10k1 efx [Multichannel
> Capture/PT Playback]
>  Subdevices: 8/8
>  Subdevice #0: subdevice #0
>  Subdevice #1: subdevice #1
>  Subdevice #2: subdevice #2
>  Subdevice #3: subdevice #3
>  Subdevice #4: subdevice #4
>  Subdevice #5: subdevice #5
>  Subdevice #6: subdevice #6
>  Subdevice #7: subdevice #7
> card 0: Audigy [Audigy 1 [SB0090]], device 3: emu10k1 [Multichannel
> Playback]
>  Subdevices: 1/1
>  Subdevice #0: subdevice #0
>
> MythTV Audio Configuration (one that produces static on DVB input):
>
> Audio output device: ALSA:default
> Passthrough output device: Default
> Max Audio Channels: 5.1
> Upmix: Passive
> Enable AC3 to SPDIF passthrough: [checked]
> Enable DTS to SPDIF passthrough: [unchecked]
> Aggressive Sound card Buffering: [unchecked]
> Use Internal Volume Controls: [checked]
> Mixer Device: ALSA:default
> Mixer Controls: Master
> Master Mixer Volume: 100
> PCM Mixer Volume: 70
> Indpendent Muting of Left and Right Audio Channels: [unchecked]
>
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