[Linrad] Re: Linrad-03.01

[attglobal.net; radio1@xxxxxxxxxxxxxxxx>]

In my world...

Vista Ultimate 32 bit
Quad core processor
Linrad 3.01
Unmodified Delta 44 sound card

The selection of "extended"  yields the following error message...

INTERNAL ERROR: 1156
[1156]Could not open soundcard device for input: WAVERR_BADFORMAT
Attempted to open with an ussupported waveform~audio format/

          Press any key

John

---- Original Message ----

From: Leif Asbrink <leif@xxxxxxxxxx>
To: "linrad@xxxxxxxxxxxxxxxxxxxxxx <linrad@xxxxxxxxxxxxxxxx>
Cc: 
Subject: [Linrad] Linrad-03.01
Date: Sat, January 24, 2009, 15:19:00


Hi All,

Ever since Vista appeared there have been problems
with soundcard setup in Linrad under Windows.

The strategy I adopted was to try what the user
asked for with the WAVEFORMATEXTENSIBLE format
of Windows. In case it produced an error, Linrad
would silently try to open the device with the
WAVEFORMATEX format and 16 bit data even if the
user asked for 24 bits.

In Linrad 03-01 the user has to specify what type
of format to use. One can ask for 2 channels and 16
bit data with either format type and maybe the 
resampling within Windows will be different. I do
not know whether resampling occurs in the device 
driver or in Windows itself (or maybe in both places)

I have no recommendation for which format to select
for different types of soundcards except that 
the format type to use with the Delta44 is the extended
one.

73

Leif







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