[vdr] Low volume on Pro7 ?

Anssi Hannula anssi.hannula at gmail.com
Wed Jun 15 23:39:59 CEST 2005

Harald Milz wrote:
> Does
> anyone know about a good ALSA compatible tone generator which I could use
> to find the peaks? My sound card (well, a 24/96 one, ummm ...) and my
> Sennheiser 580 phones should be able to provide a near-flat frequency
> response up to about 20 kHz... 

Try speaker-test, in MDK that's part of alsa-utils package.

# speaker-test --help

speaker-test 1.0.8

Usage: speaker-test [OPTION]...
-h,--help       help
-D,--device     playback device
-r,--rate       stream rate in Hz
-c,--channels   count of channels in stream
-f,--frequency  sine wave frequency in Hz
-b,--buffer     ring buffer size in us
-p,--period     period size in us
-s,--speaker    single speaker test. Values 1=Left or 2=right

Anssi Hannula

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