[El Sanchez]

подскажите, пожалуйста, как узнать "канальность" звука в windows »

R.i.m.s.k.y., с bass.dll:

Код:

type
    BASS_CHANNELINFO = record
        freq, chans, flags, ctype, origres, plugin, sample: DWORD;
        filename: String;
    end;

function BASS_Init(device: Integer; freq, flags: DWORD; win: HWND; CLSID: Integer): BOOL; external 'BASS_Init@files:bass.dll stdcall delayload';
function BASS_StreamCreateFile(mem: BOOL; file: String; offset, length: Single; flags: DWORD): DWORD; external 'BASS_StreamCreateFile@files:bass.dll stdcall delayload';
function BASS_ChannelGetInfo(handle: DWORD; var info: BASS_CHANNELINFO): BOOL; external 'BASS_ChannelGetInfo@files:bass.dll stdcall delayload';
function BASS_Free(): BOOL; external 'BASS_Free@files:bass.dll stdcall delayload';

procedure InitializeWizard();
var
    hStream: DWORD;
    info: BASS_CHANNELINFO;
begin
    BASS_Init(-1, 44100, 0, 0, 0);
    hStream := BASS_StreamCreateFile(False, ExpandConstant('{win}\media\start.wav'), 0, 0, 0);
    BASS_ChannelGetInfo(hStream, info);
    BASS_Free;
    MsgBox('Channels: ' + IntToStr(info.chans), mbInformation, MB_OK);
end;