96kHz 24 bit audio!?!?! Where on earth is anyone going to get that
kind of source? You sure you read the spec sheet correctly?
On Fri, 31 Dec 2004 15:27:50 -0600, [EMAIL PROTECTED]
<[EMAIL PROTECTED]> wrote:
> Here's my GOAL:
>
> mythtv and HD3000 ATSC with "AC3 to SPDIF" selected, via digital coax to
> Denon AVR-1705 receiver, then output beautiful DTS 6.1 to Klipsch speakers!
>
> The receiver indicates a Digital signal and I hear analog music, but no
> mythtv sound when "AC3 to SPDIF" selected.
>
> Just found a thread that says Audigy driver only supports 48kHz 16 bit
> output, and my receiver expects DTS 96kHz 24 bit.
>
> Is there any ALSA supported soundcard/driver that supports 96kHz 24 bit
> output stream? Any 96/24 support plans for the Audigy driver?
>
> Thanks!
>
> INFO that might help:
>
> mythfrontend Setup = ALSA:spdif
>
> [EMAIL PROTECTED] tom]$ uname -r
> 2.6.9
>
> [EMAIL PROTECTED] tom]$ rpm -qa |grep alsa
> alsa-driver-1.0.7-33.rhfc2.at
> kernel-module-alsa-2.6.7-1.437.1.ll.rhfc2.ccrmasmp-1.0.5a-1.cvs.rhfc2.ccrma
> kernel-module-alsa-2.6.8-1.521-1.0.7-33.rhfc2.at
> gnome-alsamixer-0.9.6-3.1.fc2.fr
> alsa-lib-devel-1.0.3a-2
> alsa-utils-1.0.7-11.rhfc2.at
> balsa-2.0.17-1
> alsa-lib-1.0.3a-2
>
> [EMAIL PROTECTED] tom]$ cat /etc/modprobe.conf
> ~snip~
> alias snd-card-0 snd-emu10k1
> install snd-emu10k1/sbin/modprobe --ignore-install snd-emu10k1 &&
> /usr/sbin/alsactl restore >/dev/null 2>&1 || :
> remove snd-emu10k1 { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; };
> /sbin/modprobe -r --ignore-remove snd-emu10k1
>
> [EMAIL PROTECTED] tom]$ lspci
> ~snip~
> 00:06.0 Multimedia audio controller: nVidia Corporation nForce2 AC97 Audio
> Controler (MCP) (rev a1)
> 00:08.0 PCI bridge: nVidia Corporation nForce2 External PCI Bridge (rev a3)
> 00:09.0 IDE interface: nVidia Corporation nForce2 IDE (rev a2)
> 00:1e.0 PCI bridge: nVidia Corporation nForce2 AGP (rev c1)
> 01:04.0 Multimedia audio controller: Creative Labs SB Audigy (rev 03)
> 01:04.1 Input device controller: Creative Labs SB Audigy MIDI/Game port (re v
> 03)
> 01:04.2 FireWire (IEEE 1394): Creative Labs SB Audigy FireWire Port
> 01:06.0 Multimedia video controller: Conexant Winfast TV2000 XP (rev 05)
> 01:06.2 Multimedia controller: Conexant: Unknown device 8802 (rev 05)
> 01:08.0 VGA compatible controller: nVidia Corporation NV11 [GeForce2 MX/MX
> 400] (rev b2)
> 02:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 400 0
> AGP 8x] (rev c1)
>
> [EMAIL PROTECTED] tom]$ lsmod
> Module Size Used by
> snd_pcm_oss 46248 0
> snd_mixer_oss 16640 4 snd_pcm_oss
> snd_emu10k1 100360 5
> snd_rawmidi 23844 1 snd_emu10k1
> snd_pcm 96136 2 snd_pcm_oss,snd_emu10k1
> snd_timer 28932 1 snd_pcm
> snd_ac97_codec 66256 1 snd_emu10k1
> snd_page_alloc 7688 2 snd_emu10k1,snd_pcm
> snd_util_mem 3840 1 snd_emu10k1
> snd_hwdep 7428 1 snd_emu10k1
> snd 46564 12
> snd_pcm_oss,snd_mixer_oss,snd_emu10k1,snd_rawmidi,snd_pcm,snd_timer,snd_ac97_codec,snd_hwdep
> soundcore 8544 4 snd
> autofs4 23556 0
> sunrpc 159076 1
> forcedeth 18432 0
> ipt_REJECT 5888 1
> ipt_state 1792 1
> ip_conntrack 36884 1 ipt_state
> iptable_filter 2560 1
> ip_tables 15104 3 ipt_REJECT,ipt_state,iptable_filter
> floppy 58928 0
> sg 31520 0
> scsi_mod 114252 1 sg
> joydev 8256 0
> dm_mod 50964 0
> ohci_hcd 21764 0
> ehci_hcd 32004 0
> button 5136 0
> battery 7556 0
> ac 3588 0
> tuner 18212 0
> cx8800 78108 0
> cx88xx 19332 1 cx8800
> video_buf 18052 2 cx8800,cx88xx
> i2c_algo_bit 8200 1 cx8800
> v4l1_compat 12164 1 cx8800
> i2c_core 19200 4 tuner,cx8800,cx88xx,i2c_algo_bit
> v4l2_common 5120 1 cx8800
> btcx_risc 4104 2 cx8800,cx88xx
> videodev 7680 1 cx8800
> nvidia 3466524 20
> ipv6 237760 14
> ext3 104296 2
> jbd 79000 1 ext3
>
> [EMAIL PROTECTED] tom]$ sudo aplay -L
> ~snip~
> cards 'cards.pcm'
> front 'cards.pcm.front'
> rear 'cards.pcm.rear'
> center_lfe 'cards.pcm.center_lfe'
> side 'cards.pcm.side'
> surround40 'cards.pcm.surround40'
> surround41 'cards.pcm.surround41'
> surround50 'cards.pcm.surround50'
> surround51 'cards.pcm.surround51'
> surround71 'cards.pcm.surround71'
> iec958 'cards.pcm.iec958'
> spdif 'cards.pcm.iec958'
> modem 'cards.pcm.modem'
> default {
> type plug
> slave.pcm digital-hw
> }
> analog {
> type plug
> slave.pcm analog-hw
> }
> mixed-analog {
> type plug
> slave.pcm dmix-analog
> }
> digital {
> type plug
> slave.pcm digital-hw
> }
> mixed-digital {
> type plug
> slave.pcm dmix-digital
> }
> analog-hw {
> type hw
> card 0
> }
> digital-hw {
> type hw
> card 0
> device 0
> }
> dmix-analog {
> type dmix
> ipc_key 1234
> slave {
> pcm analog-hw
> period_time 0
> period_size 1024
> buffer_size 4096
> rate 48000
> }
> }
> dmix-digital {
> type dmix
> ipc_key 1235
> slave {
> pcm digital-hw
> period_time 0
> period_size 1024
> buffer_size 4096
> rate 48000
> }
> }
>
> [EMAIL PROTECTED] tom]$ cat .asoundrc
> # Override the default output used by ALSA.
> # If you do not override the default, your default
> # device is identical to the (unmixed) analog device
> # shown below. If you prefer mixed and/or digital
> # output, uncomment the appropriate four lines below
> # (only one slave.pcm line).
> ### Currently set w/digital-hw as the default output,
> ### comment out this entire section to use unmixed
> ### analog as your default
> ### -jarod
> pcm.!default {
> type plug
> ## Uncomment the following to use mixed analog by default
> # slave.pcm "dmix-analog"
> ## Uncomment the following to use unmixed digital by default
> slave.pcm "digital-hw"
> ## Uncomment the following to use mixed digital by default
> # slave.pcm "dmix-digital"
> }
>
> # Alias for analog output on the Audigy (hw:0,0)
> # - This is identical to the device named "default"--which
> # always exists and refers to hw:0,0 (unless overridden)
> # - Therefore, we can specify "hw:0,0", "default", or "analog"
> # to access analog output on the Audigy
> pcm.analog {
> type plug
> slave.pcm "analog-hw"
> }
> # Control device (mixer, etc.) for the Audigy card
> ctl.analog {
> type hw
> card 0
> }
>
> # Alias for (rate-converted) mixed analog output on the
> # Audigy (hw:0,0)
> # - This will accept audio input--regardless of rate--and
> # convert to the rate required for the dmix plugin
> # (in this case 48000Hz)
> pcm.mixed-analog {
> type plug
> slave.pcm "dmix-analog"
> }
> # Control device (mixer, etc.) for the Audigy card
> ctl.mixed-analog {
> type hw
> card 0
> }
>
> # Alias for (rate-converted) digital (S/PDIF) output on the
> # Audigy (hw:0,0)
> # - This will accept audio input--regardless of rate--and
> # convert to the rate required for the S/PDIF hardware
> # (in this case 48000Hz)
> pcm.digital {
> type plug
> slave.pcm "digital-hw"
> }
> # Control device (mixer, etc.) for the Audigy card
> ctl.digital {
> type hw
> card 0
> }
>
> # Alias for mixed (rate-converted) digital (S/PDIF) output on the
> # Audigy (hw:0,0)
> # - This will accept audio input--regardless of rate--and
> # convert to the rate required for the S/PDIF hardware
> # (in this case 48000Hz)
> pcm.mixed-digital {
> type plug
> slave.pcm "dmix-digital"
> }
>
> # Control device (mixer, etc.) for the Audigy card
> ctl.mixed-digital {
> type hw
> card 0
> }
>
> # The following devices are not useful by themselves. They
> # require specific rates, channels, and formats. Therefore,
> # you probably do not want to use them directly. Instead use
> # of of the devices defined above.
>
> # Alias for analog output on the Audigy (hw:0,0)
> # Do not use this directly--it requires specific rate,
> # channels, and format
> pcm.analog-hw {
> type hw
> card 0
> # The default value for device is 0, so no need to specify
> }
> # Control device (mixer, etc.) for the Audigy card
> ctl.analog-hw {
> type hw
> card 0
> }
>
> # Alias for digital (S/PDIF) output on the Audigy (hw:0,0)
> # Do not use this directly--it requires specific rate,
> # channels, and format
> pcm.digital-hw {
> type hw
> card 0
> device 0
> }
> # Control device (mixer, etc.) for the Audigy card
> ctl.digital-hw {
> type hw
> card 0
> }
>
> # Direct software mixing plugin for analog output on
> # the Audigy (hw:0,0)
> # Do not use this directly--it requires specific rate,
> # channels, and format
> pcm.dmix-analog {
> type dmix
> ipc_key 1234
> slave {
> pcm "analog-hw"
> period_time 0
> period_size 1024
> buffer_size 4096
> rate 48000
> }
> }
> # Control device (mixer, etc.) for the Audigy card
> ctl.dmix-analog {
> type hw
> card 0
> }
>
> # Direct software mixing plugin for digital (S/PDIF) output
> # on the Audigy (hw:0,0)
> # Do not use this directly--it requires specific rate,
> # channels, and format
> pcm.dmix-digital {
> type dmix
> ipc_key 1235
> slave {
> pcm "digital-hw"
> period_time 0
> period_size 1024
> buffer_size 4096
> rate 48000
> }
> }
> # Control device (mixer, etc.) for the Audigy card
> ctl.dmix-digital {
> type hw
> card 0
> }
>
> Tom.
>
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>
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