#1
Posted 21 July 2011 - 12:45
The provider of DVB-T content added the AC3+ sound track to one of its services. The service has three sound tracks, MPEG, AC3 and AC3+ now. The DM8000 recognizes them correctly; I can confirm it after pressing the yellow button. The audio pids are OK too. Also, the bitrate plugin reports OK on any (MPEG/AC3/AC3+) sound track. I have the AC3 downmix disabled.
However, when I switch to the AC3+ no sound is passed to the amplifier. I can guess it from the mute button behavior: I get the feedback from the amplifier (on its display) when I press the mute button on the DM remote while MPEG/AC3 sound is selected; when I do the same when AC3+ is selected I get nothing from the amplifier.
Is it any chance to "force" the DM8000 to pass through the AC3+ stream? I think that passing through the stream does not require any AC3+ license? But I can be wrong about that.
Re: AC3+ passthrough possible? #2
Re: AC3+ passthrough possible? #3
Posted 21 July 2011 - 14:41
I got the following dmesg ouput while switching audio to AC3+ (line 3 is of special interest here):
start audio on dmx 0 pid:6c audio xpt start unsupported audio bypass type 34 audio: decoder start 0 audio delay 18000 (200 ms) total video delay: 18000 (200 ms) ch0: lock ch0: lock RAP first pts 0x179edaa4e, stc 0x179eda572, pcr valid RAP sampling rate info isr
Re: AC3+ passthrough possible? #4
Re: AC3+ passthrough possible? #5
Posted 22 July 2011 - 16:26
Dreambox Dm8000 with all hardware addons donated to OpenPli. No interests anymore in policy of CanalDigitaal / M7 group and now-a-days channel encryption (like CI+ / HD+).
Good luck Enigma2 / OpenPli, it was fun with Sky Movies and so on, collected a nice collection of movies. Now back to basic boring lineair TV with KPN iTV (VDSL2 pair bonding 219 / 63 Mbps).
The VDSL pair bonding is excellent for... torrents to NAS in higher quality then HDTV (Like Dolby-TrueHD or DTS-Master-Audio soundquality )
Re: AC3+ passthrough possible? #6
Re: AC3+ passthrough possible? #7
Posted 23 July 2011 - 09:11
To Openpli. If they add AC3+, is their a way to add functionality to convert in realtime AC3+ to AC3 output on sp/dif with keeping the 5.1 channels?
My amp supports DTS & AC3 only, has no AC3+ decoders onboard. (and no i'm not going to buy a amp with the newer codecs, this one works fine. Would be nice if a multichannel amplifier has sort of opensource software on board, so that 4 ecxample extra audio related functionality can be added, like extra codecs. So bigger cpu instead of multimediachip that has fixed decoders).
Dreambox Dm8000 with all hardware addons donated to OpenPli. No interests anymore in policy of CanalDigitaal / M7 group and now-a-days channel encryption (like CI+ / HD+).
Good luck Enigma2 / OpenPli, it was fun with Sky Movies and so on, collected a nice collection of movies. Now back to basic boring lineair TV with KPN iTV (VDSL2 pair bonding 219 / 63 Mbps).
The VDSL pair bonding is excellent for... torrents to NAS in higher quality then HDTV (Like Dolby-TrueHD or DTS-Master-Audio soundquality )
Re: AC3+ passthrough possible? #8
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