[linux-dvb] hvr-1300 analog audio question

yoshi watanabe yoshi314 at gmail.com
Mon Jun 30 14:36:48 CEST 2008


sorry, seems that's the way gmail works by default. that was not intended.
i'll post results in 3-4 hours time when i'm home.

On Mon, Jun 30, 2008 at 12:11 PM, Simon Farnsworth
<simon.farnsworth at onelan.co.uk> wrote:
> Please don't drop the cc when replying - I'm passing on my own experiences
> with an unrelated card, in the hope that it helps you.
>
> Someone else on the list may look at this and have an "aha!" moment,
> answering your question for you.
>
> Note that the increased buffering is important for the SAA7134 - it seems to
> only be prepared to transfer audio data in blanking time, so if there's not
> enough buffering available, it just drops samples.
>
> yoshi watanabe wrote:
>>
>> i tried 32000 before when using arecord | aplay combo but the arecord
>> insisted on 48000 audio rate. will try again and report later, thanks.
>>
>> On Mon, Jun 30, 2008 at 11:24 AM, Simon Farnsworth
>> <simon.farnsworth at onelan.co.uk> wrote:
>>>
>>> yoshi watanabe wrote:
>>>>
>>>> hello.
>>>>
>>>> i'm using hauppauge hvr-1300 to receive video signal from playstation2
>>>> console, pal model. video is just fine, but i'm having strange audio
>>>> issues, but judging by some searching i did - that's pretty common
>>>> with this card , although people have varied experience with the card.
>>>>
>>> I've had similar issues with SAA7134 based cards, which were resolved by
>>>  changing audio parameters.
>>>
>>> If your problem is the same as mine was, try:
>>> arecord --format=S16 \
>>>       --rate=32000 \
>>>       --period-size=8192 \
>>>       --buffer-size=524288 | aplay
>>>
>>> This forces 32kHz sampling, and gives the card lots of buffer space to
>>> play
>>> with.
>>> --
>>> Simon Farnsworth
>>>
>>>
>>
>>
>>
>
>
> --
> Simon Farnsworth
> Software Engineer
>
> ONELAN Limited
> 1st Floor Andersen House
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