Sound card input tests

Capture characteristics measured for a few models of sound card.

Notes

AudioInjector

Sample rates: min 8000 max 96000
Measured sample rate: 96008
Example supplier: Amazon
Type: I2S

Line input

Stereo, format S32_LE

Full scale @1kHz: 3.29V;
DC offset: Zero;



Mic input

None

E-MU 0204 2-in/4-out USB 2.0 Audio Interface

Sample rates: min 44100 max 96000. Reports 176400 and 192000 and streams USB ok but mixer fails to work at these rates.
Measured sample rate: 95999.1
Example supplier: Amazon
Type: USB
USB id: ID 041e:3f02 Creative Technology, Ltd E-Mu 0202

Line input

Stereo 24 bit, format S24_3LE

Full scale @ 1kHz: 3.68 mV
DCoffset: Zero

Input Z:   180k @ 100Hz
           130k @ 1kHz



Mic input

None

Creative Soundblaster Play!

Sample rates: min 44100 max 48000
Measured sample rate: 48000.3
Example supplier: Amazon
Type: USB
USB id: ID 041e:30d3 Creative Technology, Ltd Sound Blaster Play!

Line input

None

Mic input

Mono, format S16_LE

Full scale: 14mV @ 1kHz;
DC offset: 0.1mV;

Input Z:   2.1k @ 100Hz;
           1.5k @ 1kHz;
           1.4k @ 10kHz;



Daffodil US01

Sample rates: min 44100 max 48000
Measured sample rate: 47998.9
Example supplier: Amazon
Type: USB
USB id: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter

Line input

None

Mic input

Mono, format S16_LE

Full scale @1kHz: 131mV
DC offset: 4.6mV

Input Z:    3.0k @ 100Hz;
            1.9k @ 1kHz;
            340R @ 10kHz;



Digiflex 6 Channel 5.1 Audio

Sample rates: min 44100 max 48000
Measured sample rate: 48002.9
Example supplier: Amazon
Type: USB
USB id: ID 0d8c:0102 C-Media Electronics, Inc. CM106 Like Sound Device

Line input

Stereo, format S16_LE

Full scale @1kHz: 37mV
DC offset: 4.8mV;

Input Z:   30k @ 100Hz;
           18k @ 1kHz;
           12k @ 10kHz;



Mic input

None

BT878 Analogue input

Sample rates: min 119466 max 448000
Measured sample rate: 447436.1
Type: PCI
PCI id: Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 02)

Line input

Mono, format S16_LE

Full scale @1kHz: 139mV
DC offset: 1.4mV

Input Z:  15k @ 100Hz;
          15k @ 1kHz;
          15k @ 10kHz;
           6k @ 100kHz;


Mic input

None

M-Audio Audiophile 192

Sample rates: min 8000 max 192000
Measured sample rate: 192000.9
Example supplier: Amazon
Type: PCI
PCI id: Audiophile192

Line input

Stereo, format S32_LE

Full scale @1kHz: 4.64 V;
DC offset: Zero;

Input Z:    7.0k @ 100Hz;
            7.1k @ 1kHz;
            6.0k @ 10kHz;
            2.2k @ 70kHz;



Mic input

None

SD-AUD20101

Sample rates: min 8000 max 96000
Measured sample rate: 96012
Example supplier: Amazon
Type: USB
USB id: ID 040d:3408 VIA Technologies, Inc.

Line input

None

Mic input

Stereo, format S16_LE, S24_3LE

Full scale @1kHz: 50mV
DC offset: 0.4mV



Sweex SC016

Sample rates: min 44100 max 48000
Measured sample rate: 48004.2
Example supplier: Amazon
Type: USB
USB id: ID 0d8c:0102 C-Media Electronics, Inc. CM106 Like Sound Device

Line input

Stereo, format S16_LE

Full scale @1kHz: 39mV
DC offset: 7mV

Input Z:  27k @ 100Hz;
          18k @ 1kHz;
          12k @ 10kHz;


Mic input

Mono, format S16_LE

The mic input has the same sensitivity, DC offset,
frequency response and noise floor, as the left line input.

Input Z: 1.5k at 100Hz;
         1.3k at 1kHz;
         1.1k at 10kHz;