Audio Recorder and Replayer for OS/2 (ArcaOS, eComStation) - CAUTION: This is beta test software!

This product is available free of charge and may be used at your own risk. Have fun. Click here for the ISC license.

Description - Provides an Audio Recorder and Replayer for testing UAC compliant adapters.

Obtain this product here free of charge. Click here for source code. Click here for my home page.

Audio Recorder

This test application records pcm audio into the test.wav file. It may be interrupted by hitting the Ctrl+Break or Ctrl+C keys.

Using e.g. record /a3 /b32 /c2 /f192000 acquires the Ampmix03 device and records 32-bit, stereo, 192000 Hz pcm audio into the test.wav file.

Audio Replayer

This test application replays pcm audio from the test.wav file. It may be interrupted by hitting the Ctrl+Break or Ctrl+C keys.

Using e.g. replay /a3 /b32 /c2 /f192000 acquires the Ampmix03 device and replays 32-bit, stereo, 192000 Hz pcm audio from the test.wav file.

Program Parameters

All parameters are optional and case sensitive. An invalid character truncates the argument value. The sequence of the arguments is not important.

/aN - adapter. Proper values for N are 0 up to 8. Choose the appropriate adapter. Defaults to 3 i.e. Ampmix03.

/bN - bits. Proper values for N are 8, 16, 24, 32. Choose what your adapter supports. Defaults to 32.

/cN - channels. Proper values for N are 1=mono, 2=stereo. Choose what your adapter supports. Defaults to 2.

/fN - frequency. Proper values for N are 44100,48000,88200,96000,176400,192000,352800,384000. Choose what your adapter supports. Defaults to 192000.

Alternative values for N are 8000,11025,12000,16000,22050,24000,32000,64000.

USB Audio Adapters

Behringer UMC204HD

Behringer UMC204HD

BEHRINGER UMC204HD - PCM 24bit/192kHz ADC/DAC

I bought this adapter specifically in 2019 to develop and test USB Audio Class 2.0 recording support.

/fN
44100
48000
88200
96000
176400
192000
/bN
32
/cN
2

Topping D10

Topping D10

TOPPING D10 - PCM 32bit/384kHz DAC - DSD 256

I bought this adapter specifically in 2018 to develop and test USB Audio Class 2.0 playback support.

/fN
44100
48000
88200
96000
176400
192000
352800
384000
/bN
24
32
/cN
2

Audiophonics U-SABRE LTE

Audiophonics U-SABRE LTE

AUDIOPHONICS U-SABRE LTE - PCM 24bit/96kHz DAC

I bought this adapter specifically in 2017 to develop and test USB Audio Class 1.0 playback support.

/fN
32000
44100
48000
88200
96000
/bN
16
24
/cN
2

Conceptronic CSOUNDU

Conceptronic CSOUNDU

CONCEPTRONIC CSOUNDU - PCM 16bit/48kHz ADC/DAC

I bought this adapter specifically in 2014 to develop and test USB Audio Class 1.0 recording support.

/fN
44100
48000
/bN
16
/cN
1

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