[mythtv-users] Recordings Playback too fast on Frontend, fine on Backend

[jk90090]

Michael T. Dean wrote:
>> Fair enough.  For the life of me, from trying various asound settings 
>> to none at all, I can't get any change here.  One item that is 
>> apparently clear is that if the TV Playback setting "Extra Audio 
>> Buffering" is turned off, there is some clear playback issues with no 
>> audio regardless of the recording.
> Yeah, "Extra Audio Buffering," is something that virtually everyone 
> should use--which is why it's enabled by default.  (Just like 
> "Aggressive Sound card Buffering" is something that virtually no one 
> should enable--which is why it's disabled by default.)  
> http://www.gossamer-threads.com/lists/mythtv/users/369073#369073
>> I'm suppose a Warpfactor of 1.2 isn't good.
>> I'm pouring through google links to no avail.  If this is ALSA 
>> sound's fault, it is mighty frustrating, as only these recordings are 
>> giving me trouble for the first time in years. 
>
> Definitely check the stream's rate, as Nick mentioned.  If it's 48kHz 
> audio, let us know and we'll explore other possibilities.  Does the 
> audio pitch sound incorrect (i.e. "chipmonk'ed" voices)?
>
It's not chipmonk'd, no.  It's just faster playback, as if I changed the 
playback speed in Myth.
> If it's not 48kHz audio, is there any way you can try throwing a 
> different sound card in there (one that uses a different ALSA driver)?
>
That would entail me ordering a card, ugh. 

Ok, what's the best sub $75 sound card for Linux?



For those interested, my Mobo is Abit AB9 Pro, w/ Realtek ALC882D 
HD-Audio 8-channel via Optical :

# aplay -L
front:CARD=Intel,DEV=0
    HDA Intel, ALC883 Analog
    Front speakers
surround40:CARD=Intel,DEV=0
    HDA Intel, ALC883 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Intel,DEV=0
    HDA Intel, ALC883 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Intel,DEV=0
    HDA Intel, ALC883 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Intel,DEV=0
    HDA Intel, ALC883 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Intel,DEV=0
    HDA Intel, ALC883 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Intel,DEV=0
    HDA Intel, ALC883 Digital
    IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=Intel,DEV=0
    HDA Intel
    HDMI Audio Output
null
    Discard all samples (playback) or generate zero samples (capture)


# dmesg |grep -i hda
HDA Intel 0000:00:1b.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
HDA Intel 0000:00:1b.0: setting latency timer to 64
hda_codec: Unknown model for ALC883, trying auto-probe from BIOS...

 # cat /proc/asound/cards
 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xfdff4000 irq 22

# cat /proc/asound/pcm
00-00: ALC883 Analog : ALC883 Analog : playback 1 : capture 1
00-01: ALC883 Digital : ALC883 Digital : playback 1 : capture 1
00-02: ALC883 Analog : ALC883 Analog : capture 1

# cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.18rc3.


-JK