Re: arecord command line options

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Oh, never mind unless you mean 192k samples/sec.

On 9/28/20, Alan Corey <alan01346@xxxxxxxxx> wrote:
> I would say you're in danger of overthinking it, try the defaults first.
>
> Except when you say 24/192 I'm thinking 192 kbits/sec?  My usb sound
> cards can only do 48 max.  Yours may do better.  I was just looking
> into it for SDR purposes, the tuning range depends on the max sample
> rate.  SPDIF has always seemed like the way to go, or maybe firewire.
> But you need to study the E-MU 0202 specs to be sure it can do 192.
>
> On 9/28/20, Zsolt Ero <zsolt.ero@xxxxxxxxx> wrote:
>> Hello,
>>
>> I have a few questions related to arecord, which I couldn't find in
>> the man pages nor anywhere on the internet.
>>
>> My use case is very simple, I'd like to record stereo 24/192 audio
>> into a WAV file from an E-MU 0202 USB interface using an old laptop
>> (Core 2 Duo).
>>
>> For this I thought of using the device which starts with "hw:", as it
>> seems to me that it provides the least processings over it. The
>> recording works without problems, however I'm confused about the
>> options.
>>
>> What is not clear to me:
>> --mmap - should I use it or not? I'd be writing from USB to hard drive
>> a wav file.
>> --period-time, buffer-time, period-size, buffer-size - I'm totally
>> confused about these. I'd like the highest possible recording quality,
>> latency doesn't matter to me.
>> --avail-min - what is a wakeup?
>> --disable-resample/channels/format/softvol - do I need this if I
>> selected the hw: device? I'd like to record without any kind of
>> processing.
>> --test-position/coef/nowait - do I need this for my use case?
>>
>> Thanks and regards,
>> Zsolt
>>
>>
>> _______________________________________________
>> Alsa-user mailing list
>> Alsa-user@xxxxxxxxxxxxxxxxxxxxx
>> https://lists.sourceforge.net/lists/listinfo/alsa-user
>>
>
>
> --
> -------------
> No, I won't  call it "climate change", do you have a "reality problem"? -
> AB1JX
> Cities are cages built to contain excess people and keep them from
> cluttering up nature.
> Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach
>


-- 
-------------
No, I won't  call it "climate change", do you have a "reality problem"? - AB1JX
Cities are cages built to contain excess people and keep them from
cluttering up nature.
Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach  Impeach


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