[LAU] zoom h2 software mixer?

[David O'Toole]

Hi Justin,

I have a Zoom H4 and had similar ideas of using it as a laptop audio
device, but the mics are indeed always monitoring and I never found
any way of turning this off.

On Sat, May 24, 2008 at 3:00 AM, Justin Smith <noisesmith at gmail.com> wrote:
> The mixing I need is controlling the monitor level of the mic. It
> seems to be always on if the mic is on at all. Actually it may not be
> a separate control on this chip. I guess I could expect as much from a
> $200 sound card / flash card reader / 4 channel flash card surround
> recorder / mp3 player / tuner / metronome / toaster (guess which it
> does not actually do).
>
> I cannot seem to find the chip documented anywhere, but I do know that
> it uses the standard snd_usb_audio module.
>
> It seems like my best workaround is to use the h2 only as an input,
> except its output is a bit better than my built in sound card and I
> need about 16 times the latency and still get xruns every couple of
> seconds if I use the separate devices for input/output.
>
> On Fri, May 23, 2008 at 10:31 PM,  <hollunder at gmx.at> wrote:
>> On Fri, 23 May 2008 22:10:04 -0700
>> "Justin Smith" <noisesmith at gmail.com> wrote:
>>
>>> To celebrate my new full time job, and payday, I just got a zoom h2.
>>> It records four channels from its four microphones, runs on AA
>>> batteries, and can be accessed as a hard drive or a sound card (sadly
>>> only two mics at a time when a sound card). Excellent little machine
>>> for the price.
>>>
>>> My one problem is that alsa (either via amixer, alsamixer or
>>> oss-emulation mixer via aumix) will not give me any mixer controls. Am
>>> I stuck with using the silly buttons on the machine for all mixing,
>>> when I use it as a sound card? How hard would it be to write a mixer
>>> for it... is the problem a lack of developer time or an issue with the
>>> device itself?
>>
>> What kind of mixing controls do you need? If it's just simple stuff for
>> playback/working with alsa, it might be possible to use another layer,
>> like pulseaudio.
>> For jack, I think there is a pretty sophisticated mixer available. I
>> never used it myself, I think it is called jackmixer or something.
>>
>> I don't know what kind of chip it uses, maybe you can use a mixer app
>> for other soundcards? (Envy24 control, ...)
>>
>> Best Regards,
>>        Philipp
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