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Home » Other » Audio
Audio Codec Comparison Table
Author: Gabriel Torres
Type: Tutorials Last Updated: February 5, 2008
Page: 4 of 5
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VIA

VIA manufactures both codecs and complete audio controllers. Their controllers (Envy24 series and Tremor) require an external codec and usually the motherboard manufacturer that choose to use a VIA external controller also pick a VIA codec. Since VIA audio controllers got some popularity in the past, we are including their main specs on a separated table. VIA use names starting with “VT” for their codecs.

VIA Envy24PT controller and VIA VT1618 codec
click to enlarge
Figure 4: VIA Envy24PT controller (on the right) using a VIA VT1618 codec (on the left).

Model

Channels

Input Resolution

Output Resolution

Input  Max. Sampling Rate

Output Max. Sampling Rate

Input SNR

Output SNR

VT1612A

2

20-bit

20-bit

48 KHz

48 KHz

93 dB

88 dB

VT1613

2

18-bit

18-bit

48 KHz

96 KHz

85 dB

82 dB

VT1616

5.1

20-bit

20-bit

48 KHz

48 KHz

85 dB

85 dB

VT1617

5.1

20-bit

20-bit

48 KHz

96 KHz

85 dB

95 dB

VT1618

7.1

20-bit

20-bit

48 KHz

96 KHz

86 dB

83 dB

VT1708

7.1

24-bit

24-bit

192 KHz

192 KHz

97 dB

93 dB

VT1708A

7.1

24-bit

24-bit

192 KHz

192 KHz

97 dB

93 dB

VT1708B

7.1

24-bit

24-bit

192 KHz

192 KHz

98 dB

95 dB

 

Model

Channels

Input Resolution

Output Resolution

Input  Max. Sampling Rate

Output Max. Sampling Rate

Envy24

7.1

24-bit

24-bit

96 KHz

96 KHz

Envy24HT

7.1

24-bit

24-bit

192 KHz

192 KHz

Envy24HT-S

7.1

16-bit (AC97)
24-bit (I2S)

16-bit (AC97)
24-bit (I2S)

48 KHz (AC97)
192 KHz (I2S)

48 KHz (AC97)
192 KHz (I2S)

Envy24GT

5.1

16-bit (AC97)
24-bit (I2S)

16-bit (AC97)
24-bit (I2S)

96 KHz

96 KHz

Envy24MT

2

24-bit

24-bit

192 KHz

192 KHz

Envy24PT

7.1

16-bit (AC97)
24-bit (I2S)

16-bit (AC97)
24-bit (I2S)

48 KHz (AC97)
192 KHz (I2S)

48 KHz (AC97)
192 KHz (I2S)

Tremor

5.1

16-bit (AC97)
24-bit (I2S)

16-bit (AC97)
24-bit (I2S)

48 KHz (AC97)
192 KHz (I2S)

48 KHz (AC97)
192 KHz (I2S)

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