1. A system (100) for detection of fault in speakers of a vehicle, the system
(100) comprising:
• at least one sound wave receiver (102) configured to sense sound waves produced by speakers (101), to process received sound waves and to compare processed sound waves with a predefined threshold sound wave strength value, said sound wave receiver (102) being further configured to generate a trigger signal;
• a speaker control unit (104) configured to receive said trigger signal, said speaker control unit being further configured to sense the current flowing through the speakers (101), to compare the magnitude of sensed current signal with predefined threshold current values, based on which said speaker control unit (104) is further configured to provide a control signal for an electronic control unit (106), and said electronic control unit (106) being configured to generate a user-readable alert corresponding to said control signal.
2. The system (100) for detection of faulty speaker(s) (101) of a vehicle as
claimed in claim 1, wherein said sound wave receiver (102) includes:
• a sound wave transducer configured to sense sound waves produced
by a speaker (101) and convert said sensed sound waves into a
corresponding electrical signal;
• a first memory to store predefined threshold sound wave strength values; and
• a first processing unit, said first processing unit in cooperation with said memory includes a noise filter, a first processor and an analogue-

to-digital convertor, wherein the first processing unit is configured to receive said electrical signal corresponding to said sensed sound waves, said noise filter configured to filter noise from received said electrical signal, said analogue-to-digital convertor configured to perform analogue to digital conversion of said filtered electrical signal and said processor having a comparator that is configured to compare said digital filtered electrical signal with said threshold strength values and said first processor configured to generate a trigger based on said comparison.
3. The system (100) for detection of faulty speaker(s) (101) of a vehicle as claimed in claim 1, wherein said speaker control unit (104) includes:
• a second memory to store predefined threshold current values; and
• a second processing unit, said second processing unit in cooperation with said second memory includes a second processor and an analogue-to-digital convertor, wherein the second processing unit is configured to receive electrical signal corresponding to said sensed current signal, said analogue-to-digital convertor is configured to perform analogue to digital conversion of said sensed electrical signal and said second processor having a comparator that is configured to compare said digital electrical signal with said threshold current values, said second processor configured to generate a control signal based on said comparison and said control signal is proportional to the deviation of said digital electrical signal from a predefined threshold current value.

4. The system (100) for detection of faulty speaker(s) (101) of a vehicle as claimed in claim 1, wherein each speaker (101) is provided with a predefined resistance (103) in series therewith.
5. A system (100) for detection of fault in speaker(s) (101) of a vehicle, the system comprising:

• at least one sound wave receiver (102) configured to sense sound waves produced by speakers (101), to process received sound waves and to compare processed sound waves with a predefined threshold sound wave strength value, said sound wave receiver (102) being further configured to generate a trigger signal;
• a plurality of vibration transducers (105) configured to sense vibrations of said speakers (101) and to generate corresponding sensed vibration signals; and
• a speaker control unit (104) configured to receive said trigger signal, to receive sensed vibration signals from said vibration transducers (105), to compare the magnitude of sensed vibration signals with predefined threshold vibration values, to provide a control signal for an electronic control unit (106) based on said comparison, and said electronic control unit (106) being configured to generate a user-readable alert corresponding to said control signal.
6. The system (100) for detection of faulty speaker(s) of a vehicle as claimed in
claim 6, wherein said sound wave receiver (102) includes:
• a sound wave transducer configured to sense sound waves produced
by a speaker (101) and convert said sensed sound waves into a
corresponding electrical signal;

• a first memory to store predefined threshold sound wave strength values; and
• a first processing unit, in cooperation with said memory, said first processing unit includes a noise filter, a first processor and an analogue-to-digital convertor, wherein said first processing unit is configured to receive said electrical signal corresponding to said sensed sound waves, said noise filter configured to filter noise from said received electrical signal, said analogue-to-digital convertor configured to perform analogue to digital conversion of said filtered electrical signal and said processor having a comparator that is configured to compare said digital filtered electrical signal with said threshold strength values and said first processor being configured to generate a trigger based on said comparison.
7. The system (100) for detection of faulty speaker(s) of a vehicle as claimed in claim 6, wherein said speaker control unit (104) includes:
• a second memory to store predefined threshold vibration values; and
• a second processing unit in cooperation with said second memory, said second processing unit includes a second processor and an analogue-to-digital convertor, wherein said second processing unit is configured to receive the electrical signal corresponding to said sensed vibration signal, said analogue-to-digital convertor is configured to perform analogue to digital conversion of said received electrical signal and said second processor having a comparator that is configured to compare said digital electrical signal with said threshold vibration values, said second processor configured to generate a control signal based on said comparison, wherein said control signal is proportional

to the deviation of said digital electrical signal from a predefined threshold vibration value.
8. The system (100) for detection of faulty speaker(s) of a vehicle as claimed in claim 7, wherein said vibration transducer (105) is a piezoelectric transducer.
9. The system (100) for detection of faulty speaker(s) of a vehicle as claimed in claim 1 or claim 7, wherein said first memory is configured to store predefined threshold sound wave strength values defined in the frequency domain.
10. The system (100) for detection of faulty speaker(s) of a vehicle as claimed in claim 1 or claim 7, wherein each speaker (101) has a corresponding sound wave receiver (102).
11. The system (100) for detection of faulty speaker(s) of a vehicle as claimed in claim 10, wherein said sound wave receiver (102) is mounted on another speaker that is located axially opposite to the corresponding speaker.
12. The system (100) for detection of faulty speaker(s) of a vehicle as claimed in claim 1 or claim 7, wherein said sound wave receiver (102) is mounted on the roof of the vehicle within the occupant space.
13. The system (100) for detection of faulty speaker(s) of a vehicle as claimed in claim 1 or claim 7, wherein said sound wave receiver (102) is mounted inside the roof liner of the vehicle.
14. A method for detection of fault in speakers of a vehicle, the method comprising:
— A stage-one fault check performed by a sound wave receiver (102), said stage-one fault check comprising the following steps:

i. receiving the emitted sound waves by at least one speaker (101) and converting received sound waves into a corresponding electrical signal;
ii. filtering noise from said electrical signal corresponding to sensed sound waves;
iii. converting the analog filtered electrical signal into a digital filtered electrical signal;
iv. comparing the strength of the said digital filtered electrical signal with a predefined threshold sound wave strength value; and
v. generating a trigger signal to be communicated to a speaker control unit, if said strength falls below the predefined threshold sound wave strength value, for initiating a stage-two performance check;
— the stage-two performance check performed by said speaker control unit (104) in cooperation with an electronic control unit 106, said stage two performance check comprising the following steps:
vi. receiving said trigger signal from said sound wave receiver (102) by said speaker control unit (104) to initiate stage two performance check;
vii. sensing of electric current flowing through the speaker by said speaker control unit (104) and generating corresponding electrical signal corresponding to the sensed current;
viii. receiving generated electrical signal;

ix. converting said received electrical signal into a digital electrical signal;
x. comparing said digital electrical signal with a predefined threshold current value by said speaker control unit (104);
xi. generating a control signal by said speaker control unit (104) for said electronic control unit (106) based on said comparison; and
xii. generating a user-readable alert by said electronic control unit (106).
15. A method for detection of fault in speakers of a vehicle, the method comprising:
— A stage-one fault check performed by a sound wave receiver, said stage one fault check comprising the following steps:
i. receiving the emitted sound waves by at least one speaker (101) and converting said received sound waves into a corresponding electrical signal;
ii. filtering noise from said electrical signal corresponding to sensed sound waves;
iii. converting the analog filtered electrical signal into a digital filtered electrical signal;
iv. comparing the strength of the said filtered digital electrical signal with a predefined threshold sound wave strength value; and
v. generating a trigger signal to be communicated to a speaker control unit, if said strength falls below the predefined threshold

sound wave strength value, for initiating a stage-two performance check;
— The stage-two performance check by said speaker control unit (104) in cooperation with vibration transducers (105) and an electronic control unit (106), said stage-two performance check comprising the following steps:
vi. receiving said trigger signal from said sound wave receiver (102) by said speaker control unit (104) to initiate the stage-two performance check;
vii. sensing of vibrations of the speaker by means of corresponding vibration transducer (105) to generate a corresponding analog electrical signal;
viii. receiving said analog electrical signal corresponding to said sensed vibrations by said speaker control unit (104);
ix. converting said received analog electrical signal into a digital electrical signal by said speaker control unit (104);
x. comparing said digital electrical signal with a predefined threshold vibration value by said speaker control unit (104);
xi. generating a control signal by said speaker control unit (104) for said electronic control unit (106) based on said comparison; and
xii. generating a user-readable alert by said electronic control unit (106).

16. The method for detection of faulty speaker(s) of a vehicle as claimed in claim 14 or claim 15, wherein the generated user-readable alert is indicated on at least one of a screen, an instrument cluster and a speaker bezel.