[mythtvnz] Does HVR-2200 have FM radio support?

Nick Rout nick.rout at gmail.com
Thu Sep 8 20:51:45 BST 2011


On Thu, Sep 8, 2011 at 9:20 PM, Stephen Worthington
<stephen_agent at jsw.gen.nz> wrote:
> On Thu, 8 Sep 2011 20:04:33 +1200, you wrote:
>
>>On Thu, Sep 8, 2011 at 7:32 PM, Stephen Worthington
>><stephen_agent at jsw.gen.nz> wrote:
>>> On Thu, 08 Sep 2011 18:14:42 +1200, you wrote:
>>>
>>>>On 08/09/11 15:47, Stephen Worthington wrote:
>>>>> My mother wants to be able to record FM radio on her MythTV box, so I
>>>>> am looking at what support there is for doing this.  I found this
>>>>> page:
>>>>>
>>>>>    http://www.mythtv.org/wiki/Fm_radio
>>>>>
>>>>> which shows how to hack it together if there is a card with /dev/radio
>>>>> device support.  If I want to put a PVR-150 in her box to do that, I
>>>>> need a PCI slot, and both are full at present.  So I was wondering if
>>>>> the HVR-2200 has FM support in Linux.  Is there anyone out there who
>>>>> has an HVR-2200 working, who could do:
>>>>>
>>>>>    ls -al /dev/rad*
>>>>>
>>>>> and see if they have a /dev/radio device?
>>>>>
>>>>> Does anyone know how to work out what hardware is attached to any
>>>>> given /dev device, to make sure that a /dev/radio device is actually
>>>>> on an HVR-2200 card and not some other hardware?
>>>>>
>>>>Nope. No /dev/radio on my system (Ubuntu 10.04, kernel
>>>>2.6.32-33-generic). I'm using Steven Toth's firmware version 1.0.3. I'm
>>>>pretty sure his release notes said only DVB-T works and nothing else.
>>>>
>>>>I suppose you'll never get any access to or info about the device if the
>>>>firmware doesn't support it.
>>>
>>> Thanks for that.  It looks like I will need to use Plan B then, and
>>> add a USB DVB-T tuner and replace one PCI DVB-T card with a PVR-150.
>>>
>>> Has anyone ever used the FM tuner on a PVR-150?  Does it record with
>>> decent quality?  My mother wants to record opera from the local
>>> Gramophone Room station as well as National radio, so quality needs to
>>> be good enough for that.
>>
>>
>>National Radio is available on freeview.
>
> Yes, but does MythTV support DVB-T radio?  Last time I tried, it did
> not work.

Works on my dvb-s system, you just change channels to 50 and you get
the audio, no picture obviously.

>
> In any case, the FM signal should give superior sound quality, if the
> tuner is good.  The AAC compression used on DVB-T is not very good for
> music, OK for voice.


I haven't done it on DVB-T but I know the bitrate is quite low on DVB-S.

>
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