?????? ????????? wrote: > Hello, answer please three questions: > > 1. At me through the adapter in a jack of a microphone of a sound card, the > wire from a telephone line is connected. > Under operational system from Microsoft Windows XP SP2 the sound perfectly > enters the name, and under operational system FreeBSD 7.0 with drivers of > your manufacture at record in general that it is not audible. > I have checked up sensitivity of a microphone of a sound card having > submitted a signal with oscilograf, frequency 1kHertz and pressure 20, 50, > 100 mV, and the level of loudness by means of program Audacity under to two > above described OS looked. > The result has surprised me, under UNIX FreeBSD 7.0; 20mv=0.05-0.01; > 50mV=0.150; 100mV=0.3; and under Microsoft Windows XP SP2 20mV=0.2; > 50mV=0.4-0.45; 100mV=0.55-0.6; > Though result and so was we shall feel on hearing and result above the > described testing it only has confirmed. > Why on the same equipment such difference? > It looks like the sound card of your system is not properly supported by OSS or the mixer volume controls are not set to full level.
> 2. How it is possible to increase sensitivity of a microphone on FreeBSD with > a condition that loudness everywhere stood on a maximum? > You can use the ossmix program to alter the volumes. > 3. I has loaded from your server http://www.4front-tech.com/ archive > oss-freebsd7-v4.0-1015-i386.tbz and unfortunately have not found out there > initial texts for sound cards, there are only objective already compiled > files, from where it is possible to take initial texts for sound cards? > The source code is available from http://developer.opensound.com/sources/ Best regards, Hannu _______________________________________________ oss-devel mailing list oss-devel@mailman.opensound.com http://mailman.opensound.com/mailman/listinfo/oss-devel
