1. An audio system, comprising:
a source of audio signals;
signal processing circuitry coupled to said source for processing said audio signals to produce processed audio signals;
a plurality of loudspeaker units, coupled to said signal processing circuitry, constructed and arranged to be deployed about a room, for radiating sound waves responsive to said processed audio signals;
a microphone unit, for receiving said sound waves and for transducing said sound waves to electrical signals;
acoustic measuring circuitry, for receiving said electrical signals and providing frequency response signals;
a memory, coupled to said acoustic measuring circuitry, for storing characteristic data signals of said loudspeaker units and further for storing said frequency response signals; and
equalization calculation circuitry, comprising a microprocessor running a software program wherein said software program is constructed and arranged to automatically validate at least one of a first frequency response or a second frequency response by causing the source of audio signals to cause radiation of a first sound wave from a first of the plurality of loudspeaker units to produce the first frequency response at a first location and then radiation of a second sound wave from said first of the plurality of loudspeaker units to produce the second frequency response at said first location and comparing the first and second frequency responses, said equalization calculation circuitry coupled to said memory, for providing an individual equalization pattern signal for each loudspeaker unit responsive to said frequency response signals and said characteristic data signals of an associated one of said plurality of loudspeaker units.
2. An audio system in accordance with claim 1, wherein the coupling path between said microphone unit and said acoustic measuring circuitry comprises electrically conductive wire free of wireless portions.
3. An audio system in accordance with claim 1, wherein said microphone unit comprises a plurality of microphones.
4. An audio system in accordance with claim 1, wherein said equalization calculation circuitry is constructed and arranged to determine an equalization pattern that is substantially continuous with regard to frequency.
5. An audio system in accordance with claim 1, wherein said software program comprises code for causing audible instructions for said user to be radiated by at least one of said plurality of loudspeaker units.
6. An audio system in accordance with claim 1, wherein said microphone unit is adapted to be moved about said room to a plurality of positions, to transduce said sound waves received at each of said plurality of positions to produce a corresponding plurality of sets of frequency response signals;
wherein said memory is further for storing said plurality of sets of frequency response signals;
and wherein said equalization calculation circuitry is further for providing an equalization pattern signal responsive to said plurality of sets of frequency response signals.
7. An audio system in accordance with claim 6, wherein said equalization pattern signal is representative of the energy average of said frequency response measurements.
8. An audio system in accordance with claim 1, wherein said audio processing circuitry comprises low latency filters.
9. An audio system in accordance with claim 1, wherein at least one of said plurality of loudspeaker units comprises a plurality of acoustic driver units, and wherein said memory is further for storing characteristic data signals representative of said acoustic driver units.
10. An audio system in accordance with claim 1, wherein said equalization calculation circuitry is constructed and arranged to control at least one operating parameter of said audio system.
11. An audio system in accordance with claim 10, wherein said at least one operating parameter includes at least one of volume setting and tone setting.
12. An audio system in accordance with claim 10, wherein said equalizing calculation circuitry is constructed and arranged so that said equalizing calculation circuitry has exclusive control over said at least one operating parameter and so that user accessible controls of operating parameters are disabled.
13. An audio system in accordance with claim 1, wherein said software program is constructed and arranged to cause radiation of said first sound wave with a first intensity and said second sound wave of a second intensity different from said first intensity.
14. An audio system in accordance with claim 1 wherein said software program is constructed and arranged to cause radiation of said second sound wave after said microphone unit has been moved to another location.
15. An audio system in accordance with claim 1 wherein said software is constructed and arranged to disable time varying, nonlinear or signal dependent processing in said signal processing circuitry before radiation of said first and second sound waves.
16. An audio system in accordance with claim 1 wherein said software is constructed and arranged to cause said acoustic measuring circuitry to make an ambient noise measurement before radiation of said first and second sound waves.
17. An audio system, comprising:
a source of audio signals;
signal processing circuitry coupled to said source for processing said audio signals to produce processed audio signals;
a plurality of loudspeaker units, coupled to said signal processing circuitry, constructed and arranged to be deployed about a room, for radiating sound waves responsive to said processed audio signals;
acoustic measuring circuitry, including a microphone, for receiving said sound waves and providing signals representative of frequency responses of each loudspeaker unit at a plurality of locations;
a memory, coupled to said acoustic measuring circuitry, for storing characteristic data signals of said loudspeaker units and further for storing said signals representative of frequency responses at said plurality of locations; and
equalization calculation circuitry comprising a microprocessor running a software program wherein said software program is constructed and arranged to automatically validate at least one of a first frequency response or a second frequency response by causing the source of audio signals to cause radiation of a first sound wave from a first of the plurality of loudspeaker units to produce the first frequency response signal representative of a frequency response at a first location and then radiation of the second sound wave from said first of the plurality of loudspeaker units to produce a second frequency response signal representative of the frequency response at the first location and by comparing the first and second frequency response signals, said equalization calculation circuitry responsive to said signals representative of frequency response at said plurality of locations, and said characteristic data signals of an associated one of said plurality of loudspeaker units, for providing an individual equalization pattern signal for each loudspeaker unit.
18. An audio system in accordance with claim 17, wherein said equalization calculation circuitry is constructed and arranged to provide said signals representative of frequency responses at said plurality of locations for each of said loudspeaker units singly.
19. An audio system in accordance with claim 17, further comprising crossover circuitry coupling said signal processing circuitry and said plurality of loudspeaker units, wherein said memory is further for storing characteristic data signals representative of said crossover circuitry, and wherein said equalization calculation circuitry is further for providing an equalization pattern signal responsive to said characteristic data signals representative of said crossover circuitry.
20. An audio system in accordance with claim 17, wherein said software program is constructed and arranged to cause radiation of said first sound wave with a first intensity and said second sound wave of a second intensity different from said first intensity.
21. An audio system in accordance with claim 17 wherein said software program is constructed and arranged to cause radiation of said second sound wave after said microphone unit has been moved to another location.
22. An audio system in accordance with claim 17 wherein said software is constructed and arranged to disable time varying, nonlinear or signal dependent processing in said signal processing circuitry before radiation of said first and second sound waves.
23. An audio system in accordance with claim 17 wherein said software is constructed and arranged to cause said acoustic measuring circuitry to make an ambient noise measurement before radiation of said first and second sound waves.
24. An audio system comprising:
a source of audio signals;
signal processing circuitry coupled to said source for processing said audio signals to produce processed audio signals;
a plurality of loudspeaker units, coupled to said signal processing circuitry, constructed and arranged to be deployed about a room, for radiating sound waves responsive to said processed audio signals;
a microphone unit, for receiving said sound waves and for transducing said sound waves to electrical signals;
acoustic measuring circuitry, for receiving said electrical signals and providing frequency response signals;
a memory, coupled to said acoustic measuring circuitry, for storing characteristic data signals of said loudspeaker units and further for storing said frequency response signals; and
equalization calculation circuitry, comprising a microprocessor running a software program
wherein said software program is constructed and arranged to cause the source of audio signals to cause radiation of a first sound wave to produce a first frequency response and then radiation of a second sound wave to produce a second frequency response and compare the first and second frequency responses, said equalization calculation circuitry coupled to said memory, for providing an individual equalization pattern signal for each loudspeaker unit responsive to said frequency response signals and said characteristic data signals of an associated one of said plurality of loudspeaker units
wherein said software program is constructed and arranged to cause radiation of said first sound wave with a first intensity and said second sound wave of a second intensity different from said first intensity and
wherein said software program is constructed and arranged to further include scaling one of the first and second frequency responses by an amount corresponding to the difference between said first intensity and said second intensity to produce a scaled signal that is used for comparison between said first and second frequency responses to provide an indication that the amplitude is outside an acceptable range, ambient noise is above an acceptable limit or that the frequency responses are otherwise unacceptable.
25. An audio system comprising:
a source of audio signals;
signal processing circuitry coupled to said source for processing said audio signals to produce processed audio signals;
a plurality of loudspeaker units, coupled to said signal processing circuitry, constructed and arranged to be deployed about a room, for radiating sound waves responsive to said processed audio signals;
acoustic measuring circuitry, including a microphone, for receiving said sound waves and providing signals representative of frequency responses of each loudspeaker unit at a plurality of locations;
a memory, coupled to said acoustic measuring circuitry, for storing characteristic data signals of said loudspeaker units and further for storing said signals representative of frequency responses at said plurality of locations; and
equalization calculation circuitry comprising a microprocessor running a software program wherein said software program is constructed and arranged to cause the source of audio signals to cause radiation of a first sound wave to produce a first frequency response signal and then radiation of a second sound wave to produce a second frequency response signal and compare the first and second frequency response signals, said equalization calculation circuitry responsive to said signals representative of frequency response at said plurality of locations, and said characteristic data signals of an associated one of said plurality of loudspeaker units, for providing an individual equalization pattern signal for each loudspeaker unit;
wherein said software program is constructed and arranged to cause radiation of said first sound wave with a first intensity and said second sound wave of a second intensity different from said first intensity; and
wherein said software program is constructed and arranged to further include scaling one of the first and second frequency responses by an amount corresponding to the difference between said first intensity and said second intensity to produce a scaled signal that is used for comparison between said first and second frequency responses to provide an indication that the amplitude is outside an acceptable range, ambient noise is above an acceptable limit or that the frequency responses are otherwise unacceptable.
26. A method for operating an audio system, comprising:
receiving audio signals;
processing said audio signals to produce processed audio signals;
radiating, from a plurality of loudspeaker units, deployed about a room, sound waves responsive to said processed audio signals;
receiving said sound waves and transducing said sound waves to electrical signals;
receiving said electrical signals and providing frequency response signals;
calculating an equalization pattern, said calculating comprising
automatically validating at least one of a first frequency response or a second frequency response by causing the source of audio signals to cause radiation of a first sound wave from a first of the plurality of loudspeaker units to produce the first frequency response at a first location and then causing radiation of a second sound wave from said first of the plurality of loudspeaker units to produce the second frequency response at the first location and comparing the first and second frequency responses.
27. A method in accordance with claim 26, wherein the receiving said sound waves is performed by a plurality of microphones.
28. A method in accordance with claim 26, wherein said calculating said equalization pattern comprises calculating an equalization pattern that is substantially continuous with regard to frequency.
29. A method in accordance with claim 26,
wherein said receiving said sound waves comprises receiving said sound waves at a plurality of positions, and
wherein said calculating said equalization pattern comprises calculating an equalization pattern signal responsive to said sound waves received at said plurality of positions.
30. A method in accordance with claim 29, wherein said calculating said equalization pattern signal comprises calculating an energy average of said sound waves received at said plurality of positions.
31. A method in accordance with claim 26, wherein said audio processing comprises processing with latency filters.
32. A method in accordance with claim 26, further comprising storing characteristic data signals representative of said loudspeaker units.
33. A method in accordance with claim 26, further comprising controlling, by equalization calculation circuitry, at least one operating parameter of said audio system.
34. A method in accordance with claim 33, wherein said controlling comprises at least one of controlling volume setting and controlling tone setting.
35. A method in accordance with claim 33, wherein said controlling comprises exclusively controlling said at least one operating parameter and disabling user accessible controls of said operating parameters.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of allocating radio resources to a terminal according to a capability of the terminal, wherein the radio resources to be allocated include a set of radio resources which are incompatible with a first type of terminal and are compatible with at least a second type of terminal, the method performed by a base station comprising:
receiving, at a base station, a random access preamble from the terminal;
transmitting a first random access response assigning a first set of radio resources compatible with the first type of terminal, and a second random access response assigning a second set of radio resources incompatible with the first type of terminal,
wherein the first random access response is scheduled differently at least in time or frequency to the second random access response;
receiving a connection request message from the terminal,
wherein, if the connection request message is received on the first set of radio resources, the terminal is the first type of terminal;
wherein if the connection request message is received on the second set of radio resources, the terminal is the second type of terminal,
wherein the first set of radio resources are located on a same component carrier as the second set of radio resources, and
wherein the radio resources to be allocated extend over a bandwidth B having a portion of bandwidth B0, where B0<B, and two extending segments on either side of the portion of bandwidth B0, the portion of bandwidth B0 corresponding to the first set of radio resources, and the two extending segments corresponding to the second set of radio resources.
2. A method according to claim 1, wherein the first random access response and the second random access response are transmitted using the first set of radio resources; or the first random access response is transmitted using the first set of radio resources and the second random access response is transmitted using the second set of radio resources.
3. A method of indicating a capability of a terminal in a radio system wherein radio resources to be allocated to the terminal include a set of radio resources incompatible with a first type of terminal and compatible with at least a second type of terminal, the method performed by the terminal, comprising:
transmitting, by the terminal, a random access preamble;
receiving a first random access response assigning a first set of radio resources compatible with the first type of terminal if the terminal is the first type of terminal, and a second random access response assigning a second set of radio resources incompatible with the first type of terminal if the terminal is the second type of terminal,
wherein the first random access response is scheduled differently at least in time or frequency to the second random access response;
transmitting a connection request message on the first set of radio resources if the terminal is the first type of terminal; and
transmitting the connection request message on the second set of radio resources if the terminal is the second type of terminal,
wherein the first set of radio resources are located on a same component carrier as the second set of radio resources, and
wherein the radio resources to be allocated extend over a bandwidth B having a portion of bandwidth B0, where B0<B, and two extending segments on either side of the portion of bandwidth B0, the portion of bandwidth B0 corresponding to the first set of radio resources, and the two extending segments corresponding to the second set of radio resources.
4. A method according to claim 3, wherein the first random access response and the second random access response are received using the first set of radio resources; or the first random access response is received using the first set of radio resources and the second random access response is received using the second set of radio resources.
5. The method according to claim 1, wherein the first set of radio resources is located on a different component carrier than the second set of radio resources.
6. The method according to claim 1, wherein the first type is Long Term Evolution compatible and the second type of terminal is Long Term Evolution Advanced compatible.
7. The method according to claim 1, wherein the second set of radio resources is a function of the first set of radio resources.
8. A base station for allocating radio resources to a terminal according to a capability of the terminal wherein the radio resources to be allocated include resources incompatible with a first type of terminal, the base station comprising:
a transceiver configured to:
receive a random access preamble from the terminal;
transmit a first random access response assigning a first set of radio resources compatible with the first type of terminal, and a second random access response assigning a second set of radio resources incompatible with the first type of terminal,
wherein the first random access response is scheduled differently at least in time or frequency to the second random access response; and
receive a connection request message from the terminal; and a processor configured to:
determine that the terminal is the first type of terminal if the connection request message is received on the first set of radio resources, and that the terminal is a second type of terminal if the connection request message is received on the second set of radio resources,
wherein the first set of radio resources are located on a same component carrier as the second set of radio resources, and
wherein the radio resources to be allocated extend over a bandwidth B having a portion of bandwidth B0, where B0<B, and two extending segments on either side of the portion of bandwidth B0, the portion of bandwidth B0 corresponding to the first set of radio resources, and the two extending segments corresponding to the second set of radio resources.
9. A terminal in a radio system, wherein radio resources to be allocated to the terminal include at least one set of resources incompatible with a first type of terminal of the terminal, the terminal comprising:
a transceiver configured to:
transmit a random access preamble to a base station,
receive a first random access response assigning a first set of radio resources compatible with the first type of terminal if the terminal is the first type of terminal and a second random access response assigning a second set of radio resources incompatible with the first type of terminal if the terminal is not the first type of terminal; wherein the first random access response is scheduled differently at least in time or frequency to the second random access response;
transmit a connection request message on the first set of radio resources if the terminal is the first type of terminal; and
transmit the connection request message on the second set of radio resources, if the terminal is not the first type of terminal,
wherein the first set of radio resources are located on a same component carrier as the second set of radio resources, and
wherein the radio resources to be allocated extend over a bandwidth B having a portion of bandwidth B0, where B0<B, and two extending segments on either side of the portion of bandwidth B0, the portion of bandwidth B0 corresponding to the first set of radio resources, and the two extending segments corresponding to the second set of radio resources.
10. The method according to claim 3, wherein the first set of radio resources is located on a different component carrier than the second set of radio resources.
11. The method according to claim 3, wherein the first type is Long Term Evolution compatible and the second type of terminal is Long Term Evolution Advanced compatible.
12. The method according to claim 3, wherein the second set of radio resources is a function of the first set of radio resources.
13. The base station according to claim 8, wherein the first random access response and the second random access response are transmitted using the first set of radio resources; or the first random access response is transmitted using the first set of radio resources and the second random access response is transmitted using the second set of radio resources.
14. The base station according to claim 8, wherein the first set of radio resources is located on a different component carrier than the second set of radio resources.
15. The base station according to claim 8, wherein the first type is Long Term Evolution compatible and the second type of terminal is Long Term Evolution Advanced compatible.
16. The base station according to claim 8, wherein the second set of radio resources is a function of the first set of radio resources.
17. The terminal according to claim 9, wherein the first random access response and the second random access response are received using the first set of radio resources; or the first random access response is received using the first set of radio resources and the second random access response is received using the second set of radio resources.
18. The terminal according to claim 9, wherein the first set of radio resources is located on a different component carrier than the second set of radio resources.
19. The terminal according to claim 9, wherein the first type is Long Term Evolution compatible and the second type of terminal is Long Term Evolution Advanced compatible.
20. The terminal according to claim 9, wherein the second set of radio resources is a function of the first set of radio resources.