1. Audio.zip Driver
2. hist_nt.txt File Contents

hist_nt.txt Driver File Contents (Audio.zip)

      Analog Devices, Inc., Sound Processing Team History Document

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                 Microsoft Windows NT 4.0 Device Driver
                      AD1881 SoundMAX Controller

                   July 2, 1999 Modification Date

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                              Versions

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Package Release:	NT400051	

Installer Version:	1.00.006			(7/2/99)	

	*  Corrected spelling error in Driver Desc.

4.02.0017  NT 4.0 Driver

	*  Fixed 20 dB Mic gain button synchronization problem.

	*  Fixed Event error caused by a conflict between the
           bus-master ports allocated for the wave device and the ATAPI
           ports. 				

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Package Release:	NT400039

Installer Version:	1.00.005			


4.02.0016  NT 4.0 Driver				(5/10/1999)

	*  Fixed a failure in the WinNT ACT Mixer Driver test 8:21. 
	   This failure only occurs if the driver is installed by
	   the Installer.

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Package Release:	NT400035

Installer Version:	1.00.004

4.02.0015  NT 4.0 Driver				(4/23/1999)

	*  Fixed a problem with playing a WAVE file in Media Player.  
	   If playback is paused, old data is played when resumed.

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Package Release:	Internal Test. Never released

Installer Version:	Internal Test. Never released

4.02.0014  NT 4.0 Driver				(4/20/1999)

	*  Fixed master volume attenuation (at bottom). Mute master 
	   volume, unmute, and 0 atten pcbeep.

	*  Fixed failure in ACT 4.2 Mixer test case 8.5.

	*  Fixed Full Duplex failures (version 4.02.0014).

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Package Release:	Internal Test. Never released

Installer Version:	Internal Test. Never released

4.02.0013  NT 4.0 Driver				(4/19/1999)

	*  Fixed Failure in ACT Wave Driver test case 9:38.	
		
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Package Release:	NT400031

Installer Version:	1.00.004

4.02.0010  NT 4.0 Driver				(3/29/1999)

	*  Fixed the following failures in the WinNT ACT Wave Driver
           test:

		9:2 Get DevCaps
		9:7, 9:40 Get Position
		9:13 Pause
		9:14 Reset
		9:24 GetVol
		9:25 SetVol
		9:26 WaveOutWr
		9:30 Starve
		9:37 Actual Playback
		9:42 Callback

	*  Changed method for volume scaling. Removed problems
           detected in playing back recorded files.

	*  Enabled Peak Meter.

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Package Release:	NT400028

Installer Version:	1.00.004

4.02.0009  NT 4.0 Driver				(3/12/1999)

	*  Enhanced Installation/Uninstall program.

	*  Fixed Record Format Conversion.

	*  Changed default levels for CD, Wave Volume and MIC.

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4.02.0008  NT 4.0 Driver				(3/7/1999)

	*  Internal version used only for testing.

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Package Release:	NT400027

Installer Version:	1.00.003

4.02.0007  NT 4.0 Driver				(3/1/1999)

	*  Enhance Installation/Uninstall program.
	
	*  Fixed problem of blue screen crash when Bus Master or I/O
           space bit is turned off in the BISO.

	*  Fixed problem where Balance controls allow audio to bleed
           over to both channels.

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Package Release:	NT400021

Installer Version:	1.00.001

4.02.0006  NT 4.0 Driver				(2/18/1999)

	*  Localization completed.

	*  Installation/Uninstall completed.

	*  Customization completed.

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Package Release:	NT400020

4.02.0005  NT 4.0 Driver				(2/11/1999)

	*  Fixed "Fast Forward" and "Rewind" bug for playback.

	*  Added support for mixer customization. Unfortunately, in
           this release we cannot provide a working install program
           which allows users to customize the mixer. This feature will
           not be activated until a working install program is
           available.
                            
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4.02.0004					       (1/26/1999)

	*  Added Mono Capture support.

	*  Added support for different record format.

	*  Added Phat 3D support for mixer.

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4.02.0003					       (1/7/1999)

	*  Added Peak Meter for Record and Playback.

	*  Fixed bug where mixer setting always resets to default after
           rebooting.

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4.02.0002					       (12/23/1998)

	*  Fixed bug where Volume Control mute always disabled in
           mixer.

	*  Fixed bug where Volume Control icon did not show up at the
	   task bar.

	*  Fixed bug where sometimes rewind, during WAV file playback, 
	   halted the DMA and required a system reboot to make playback
	   work again.

	*  Fixed bug where sometimes labels in the mixer were
           incorrect.

	*  Fixed bug where Record did not work for this driver.

	*  Fixed bug where version number format was incorrect in
           version 4.01.0001 of the alpha driver.

	*  Fixed bug where Line Out did not appear in mixer for Record.

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4.01.0001 			      			(12/17/1998)

	*  This build is a alpha release of the WinNT 4.0 driver
           for Intel 82801AA/AB chipset.

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