AnsweredAssumed Answered

SSM4567 speaker output cracks when we increase volume. vocals are especially bad

Question asked by sathyaprakash on Feb 9, 2016
Latest reply on Feb 15, 2016 by DaveThib

Hi,

We are using SSM4567 in TDM mode with 2 speakers acting as left and right speaker.

When we are increasing volume to below configuration with boost mixer ON for both left and Right amplifier, we hear lot of crack noise.

The vocals are almost dead and only music is heard.

 

Below is register dump of 1 speaker

When we dont hear crack:

 

 

00: 80

01: 09

02: 32

03: 46

04: 52

05: 00

06: 01

07: 20

08: 32

09: 07

0a: 07

0b: 07

0c: c8

0d: a4

0e: 73

0f: 00

10: 10

11: 00

12: 30

13: 40

14: 11

15: 03

16: 00

 

 

When we hear the crack:

 

 

00: 80

01: 09

02: 32

03: 2c

04: 52

05: 00

06: 01

07: 20

08: 32

09: 07

0a: 07

0b: 07

0c: c8

0d: a4

0e: 73

0f: 00

10: 00

11: 00

12: 30

13: 40

14: 11

15: 03

16: 00

 

Can you let us know if there are specific speaker characteristics and or any SSM4567 limitations on max supported volume.

Thanks

Outcomes