1. A method for producing a location-aiding audible signal, the method comprising:
defining a near field location-aiding audible signal comprising broad-bandwidth audible noise with spectral portions selectively modified to create respective spectral amplitude peaks within substantially 116th of an octave around 500 Hz, within substantially 116th of an octave around 4 kHz and within substantially 116th of an octave around 8 kHz;
defining a far field location-aiding audible signal comprising a plurality of simultaneously occurring fundamental tone frequencies, the far field location-aiding audible signal further comprising a plurality of respective harmonic components for each fundamental tone frequency;
emitting, during each of a first set of time durations, the near field location-aiding audible signal; and
emitting, during a second set of time durations, the far field location-aiding audible signal, the second set of time durations being interleaved with the first set of time durations.
2. The method of claim 1, the method further comprising:
receiving a location-aiding audible signal activation signal, and
wherein the emitting the near field location-aiding audible signal and the emitting the far field location-aiding audible signal are performed in response to receiving the location-aiding audible signal activation signal.
3. The method of claim 1, wherein the first set of time durations and the second set of time durations are each substantially one-half second.
4. The method of claim 1, wherein the first set of time durations and the second set of time durations occur without intervening time durations.
5. The method of claim 1, wherein the near field location-aiding audible signal is emitted in at least one of the first set of time durations with a substantially square time domain envelope, and
wherein the far field location-aiding audible signal is emitted in at least one of the second set of time durations with a substantially square time domain envelope.
6. The method of claim 1, wherein the near field location-aiding audible signal is emitted in at least one of the first set of time durations with an RMS power level, and
wherein the far field location-aiding audible signal is emitted in at least one of the second set of time durations with substantially the RMS power level.
7. The method of claim 1, wherein the defining the near field location-aiding audible signal comprises:
generating a pink noise audio signal with a bandwidth extending from at least within substantially 116th of an octave around 500 Hz to at least within substantially 116th of an octave around 8 kHz;
amplifying a first bandwidth of the pink noise audio signal with a gain of substantially +16 dB \xb13 dB, the first bandwidth having a resonant bandpass centered within 116th of an octave around 500 Hz and a \u201cQ\u201d factor between 19th octave and 111th octave;
amplifying a second bandwidth of the pink noise audio signal with a gain of substantially +20 dB \xb13 dB, the second bandwidth having a resonant bandpass centered within 116th of an octave around 4 kHz and a \u201cQ\u201d factor between 19th octave and 111th octave; and amplifying a third bandwidth of the pink noise audio signal with a gain of 30 16 dB \xb13 dB, the third bandwidth having a resonant bandpass centered within 116th of an octave around 8 kHz and with a \u201cQ\u201d factor between 19th octave and 111th octave.
8. The method of claim 1, wherein the defining a near field location-aiding audible signal comprising:
receiving an audio notification signal;
amplifying a first bandwidth of the audio notification signal with a gain of substantially 30 16 dB \xb13 dB, the first bandwidth having a resonant bandpass centered within 116th of an octave around 500 Hz and a \u201cQ\u201d factor between 19th octave and 111th octave;
amplifying a second bandwidth of the audio notification signal with a gain of substantially +20 dB \xb13 dB, the second bandwidth having a resonant bandpass centered within 116th of an octave around 4 kHz and a \u201cQ\u201d factor between 19th octave and 111th octave; and
amplifying a third bandwidth of the audio notification signal with a gain of +16 dB \xb13 dB, the third bandwidth having a resonant bandpass centered within 116th of an octave around 8 kHz and with a \u201cQ\u201d factor between 19th octave and 111th octave.
9. The method of claim 8, further comprising:
determining that the audio notification signal has spectral energy extending from at least within substantially 116th of an octave around 500 Hz to at least within substantially 116th of an octave around 8 kHz; and
supplementing, prior to amplifying the first bandwidth, prior to amplifying the second bandwidth, and prior to amplifying the third bandwidth, the audio notification signal with additional audio content, the additional audio content comprising spectral energy within the bandwidth extending from at least within substantially 116th of an octave around 500 Hz to at least within substantially 116th of an octave around 8 kHz.
10. The method of claim 1, wherein the far field location-aiding audible signal comprises harmonics and inter-modulation products of the plurality of simultaneously occurring fundamental tone frequencies, the harmonics and inter-modulation products extending at least to substantially 12 kHz, and wherein
the plurality of simultaneously occurring fundamental tone frequencies comprises a first fundamental tone frequency within substantially 116th of an octave around 2 kHz,
the plurality of simultaneously occurring fundamental tone frequencies further comprises a second fundamental tone frequency within substantially 116th of an octave around 3.9 kHz,
the plurality of simultaneously occurring fundamental tone frequencies further comprises a third fundamental tone frequency within substantially 116th of an octave around 4.2 kHz,
the plurality of simultaneously occurring fundamental tone frequencies further comprise a fourth fundamental tone frequency within substantially 116th of an octave around 8 kHz, and
the plurality of simultaneously occurring fundamental tone frequencies further comprises a fifth fundamental tone frequency within substantially 116th of an octave around 9 kHz.
11. The method of claim 1, the method further comprising:
defining an enclosed location-aiding audible signal comprising a plurality of tone sets, wherein each tone set has a respective fundamental frequency and further includes harmonic tones related to the respective fundamental frequency, the plurality of tone sets comprising a first fundamental frequency within substantially 116th of an octave around 500 Hz, a second fundamental frequency within substantially 116th of an octave around 588 Hz, and a third fundamental frequency within substantially 116th of an octave around 930 Hz; and
emitting, during each of a third set of time durations, the near field location-aiding audible signal, the third set of time durations being interleaved with the first set of time durations and the second set of time durations.
12. The method of claim 11, wherein the defining the enclosed location-aiding audible signal comprises:
generating a first square wave within substantially 116th of an octave around 500 Hz at a first peak level of \u22129.4 dB \xb13 dB and \u221214 dB RMS \xb13 dB;
generating a second square wave within substantially 116th of an octave around 588 Hz at a second peak level of \u221210 dB \xb13 dB and \u221214 dB RMS \xb13 dB;
generating a third square wave within substantially 116th of an octave around 930 Hz at a third peak level of substantially \u221211 dB \xb13 dB and substantially \u221216 dB RMS \xb13 dB;
creating a low pass filtered signal by combining the first square wave, the second square wave and the third square wave and applying a low pass filter with a 3 dB cutoff within substantially 116th of an octave around 5 KHz and substantially a 24 dBoctave rolloff; and
compensating the low pass filtered signal to achieve a target output energy level having a peak output level of substantially 0 dB \xb13 dB Full Scale and substantially \u22127 dB RMS \xb13 dB.
13. The method of claim 12, wherein the enclosed location-aiding audible signal further comprises at least one of harmonics and inter-modulation products produced by a combination of at least two of the first square wave, the second square wave, and the third square wave.
14. The method of claim 11, wherein the defining the enclosed location-aiding audible signal comprises:
receiving an audio notification signal;
amplifying a first portion of a frequency spectrum of the audio notification signal, the first portion having a peak within substantially 116th of an octave around 500 Hz, such that the peak of the first portion of the frequency spectrum has a peak power level of substantially \u22129.4 dB 35 3 dB relative to full scale and such that the first portion of the frequency spectrum has approximately \u221214 dB RMS \xb13 dB power relative to full scale;
amplifying a second portion of the frequency spectrum of the audio notification signal, the second portion having a peak within substantially 116th of an octave around 588 Hz, such that the peak of the second portion of the frequency spectrum has a peak power level of substantially \u221210 dB \xb13 dB relative to full scale and such that the second portion of the frequency spectrum has approximately \u221214 dB RMS \xb13 dB power relative to full scale;
amplifying a third portion of the frequency spectrum of the audio notification signal, the third portion having a peak within substantially 116th of an octave around 930 Hz, such that the peak of the third portion of the frequency spectrum has a peak power level of substantially \u221211 dB \xb13 dB relative to full scale and such that the third portion of the frequency spectrum has approximately \u221216 dB RMS \xb13 dB power relative to full scale;
applying, subsequent to the amplifying the first portion, amplifying the second portion, and amplifying the third portion, a low pass filter with a 3 dB cutoff within substantially 116th of an octave around 5 KHz and a substantially 24 dBoctave rolloff to the audio notification signal; and
compensating, after applying the low pass filter, the audio notification signal to achieve a target output energy level having a peak output level of substantially 0 dB \xb13 dB Full Scale and substantially \u22127 dB RMS \xb13 dB.
15. The method of claim 14, further comprising:
determining that the audio notification signal contains spectral energy from at least within substantially 116th of an octave around 500 Hz to at least within substantially 116th of an octave around 8 kHz; and
supplementing, prior to amplifying the first portion, prior to amplifying the second portion, and prior to amplifying the third portion, the audio notification signal with additional audio content, the additional audio content comprising spectral energy within the bandwidth extending from at least within substantially 116th of an octave around 500 Hz to at least within substantially 116th of an octave around 8 kHz.
16. A location-aiding audible signal creation device, comprising:
a near field location-aiding audible signal generator configured to define a near field location-aiding audible signal comprising broad-bandwidth audible noise with spectral portions selectively modified to create respective spectral amplitude peaks within substantially 116th of an octave around 500 Hz, within substantially 116th of an octave around 4 kHz and within substantially 116th of an octave around 8 kHz;
a far field location-aiding audible signal generator configured to define a far field location-aiding audible signal comprising a plurality of simultaneously occurring fundamental tone frequencies, the far field location-aiding audible signal further comprising a plurality of respective harmonic components for each fundamental tone frequency; and
a temporal interleaver configured to:
output, during each of a first set of time durations, the near field location-aiding audible signal; and
output, during a second set of time durations, the far field location-aiding audible signal, the second set of time durations being interleaved with the first set of time durations.
17. The location-aiding audible signal creation device of claim 16, wherein the first set of time durations and the second set of time durations are each substantially one-half second.
18. The location-aiding audible signal creation device of claim 16, wherein the near field location-aiding audible signal generator is configured to:
generate a pink noise audio signal with a bandwidth extending from at least within substantially 116th of an octave around 500 Hz to at least within substantially 116th of an octave around 8 kHz;
amplify a first bandwidth of the pink noise audio signal with a gain of substantially +16 dB \xb13 dB, the first bandwidth having a resonant bandpass centered within 116th of an octave around 500 Hz and a \u201cQ\u201d factor between 19th octave and 111th octave;
amplify a second bandwidth of the pink noise audio signal with a gain of substantially +20 dB \xb13 dB, the second bandwidth having a resonant bandpass centered within 116th of an octave around 4 kHz and a \u201cQ\u201d factor between 19th octave and 111th octave; and
amplify a third bandwidth of the pink noise audio signal with a gain of +16 dB \xb13 dB, the third bandwidth having a resonant bandpass centered within 116th of an octave around 8 kHz and with a \u201cQ\u201d factor between 19th octave and 111th octave.
19. The location-aiding audible signal creation device of claim 16, wherein the near field location-aiding audible signal generator is configured to:
receive an audio notification signal;
amplify a first bandwidth of the audio notification signal with a gain of substantially +16 dB \xb13 dB, the first bandwidth having a resonant bandpass centered within 116th of an octave around 500 Hz and a \u201cQ\u201d factor between 19th octave and 111th octave;
amplify a second bandwidth of the audio notification signal with a gain of substantially +20 dB \xb13 dB, the second bandwidth having a resonant bandpass centered within 116th of an octave around 4 kHz and a \u201cQ\u201d factor between 19th octave and 111th octave; and
amplify a third bandwidth of the audio notification signal with a gain of +16 dB \xb13 dB, the third bandwidth having a resonant bandpass centered within 116th of an octave around 8 kHz and with a \u201cQ\u201d factor between 19th octave and 111th octave.
20. The location-aiding audible signal creation device of claim 16, wherein the far field location-aiding audible signal comprises harmonics and inter-modulation products of the plurality of simultaneously occurring fundamental tone frequencies, the harmonics and inter-modulation products extending at least to substantially 12 kHz, and wherein
the plurality of simultaneously occurring fundamental tone frequencies comprises a first fundamental tone frequency within substantially 116th of an octave around 2 kHz,
the plurality of simultaneously occurring fundamental tone frequencies further comprises a second fundamental tone frequency within substantially 116th of an octave around 3.9 kHz,
the plurality of simultaneously occurring fundamental tone frequencies further comprises a third fundamental tone frequency within substantially 116th of an octave around 4.2 kHz,
the plurality of simultaneously occurring fundamental tone frequencies further comprise a fourth fundamental tone frequency within substantially 116th of an octave around 8 kHz, and
the plurality of simultaneously occurring fundamental tone frequencies further comprises a fifth fundamental tone frequency within substantially 116th of an octave around 9 kHz.
21. The location-aiding audible signal creation device of claim 16, further comprising:
a enclosed location-aiding audible signal generator configured to define an enclosed location-aiding audible signal comprising a plurality of tone sets, wherein each tone set has a respective fundamental frequency and further includes harmonic tones related to the respective fundamental frequency, the plurality of tone sets comprising a first fundamental frequency within substantially 116th of an octave around 500 Hz, a second fundamental frequency within substantially 116th of an octave around 588 Hz, and a third fundamental frequency within substantially 116th of an octave around 930 Hz, and
wherein the temporal interleaver is further configured to output, during each of a third set of time durations, the near field location-aiding audible signal, the third set of time durations being interleaved with the first set of time durations and the second set of time durations.
22. The location-aiding audible signal creation device of claim 21, wherein the enclosed location-aiding audible signal generator is configured to:
generate a first square wave within substantially 116th of an octave around 500 Hz at a first peak level of \u22129.4 dB \xb13 dB and \u221214 dB RMS \xb13 dB;
generate a second square wave within substantially 116th of an octave around 588 Hz at a second peak level of \u221210 dB \xb13 dB and \u221214 dB RMS \xb13 dB;
generate a third square wave within substantially 116th of an octave around 930 Hz at a third peak level of substantially \u221211 dB \xb13 dB and substantially \u221216 dB RMS \xb13 dB;
create a low pass filtered signal by combining the first square wave, the second square wave and the third square wave and applying a low pass filter with a 3 dB cutoff within substantially 116th of an octave around 5 KHz and substantially a 24 dBoctave rolloff; and
compensate the low pass filtered signal to achieve a target output energy level having a peak output level of substantially 0 dB \xb13 dB Full Scale and substantially \u22127 dB RMS \xb13 dB.
23. The location-aiding audible signal creation device of claim 21, wherein the enclosed location-aiding audible signal generator is configured to:
receive an audio notification signal;
amplify a first portion of a frequency spectrum of the audio notification signal, the first portion having a peak within substantially 116th of an octave around 500 Hz, such that the peak of the first portion of the frequency spectrum has a peak power level of substantially \u22129.4 dB \xb13 dB relative to full scale and such that the first portion of the frequency spectrum has approximately \u221214 dB RMS \xb13 dB power relative to full scale;
amplify a second portion of the frequency spectrum of the audio notification signal, the second portion having a peak within substantially 116th of an octave around 588 Hz, such that the peak of the second portion of the frequency spectrum has a peak power level of substantially \u221210 dB \xb13 dB relative to full scale and such that the second portion of the frequency spectrum has approximately \u221214 dB RMS \xb13 dB power relative to full scale;
amplify a third portion of the frequency spectrum of the audio notification signal, the third portion having a peak within substantially 116th of an octave around 930 Hz, such that the peak of the third portion of the frequency spectrum has a peak power level of substantially \u221211 dB \xb13 dB relative to full scale and such that the third portion of the frequency spectrum has approximately \u221216 dB RMS \xb13 dB power relative to full scale;
apply, subsequent to amplifying the first portion, amplifying the second portion, and amplifying the third portion, a low pass filter with a 3 dB cutoff within substantially 116th of an octave around 5 KHz and a substantially 24 dBoctave rolloff to the audio notification signal; and
compensate, after applying the low pass filter, the audio notification signal to achieve a target output energy level having a peak output level of substantially 0 dB \xb13 dB Full Scale and substantially \u22127 dB RMS \xb13 dB.
24. A computer program product for creating location-aiding audible signals, the computer program product comprising:
a computer readable storage medium having computer readable program code embodied therewith, the computer readable program code comprising instructions for:
defining a near field location-aiding audible signal comprising broad-bandwidth audible noise with spectral portions selectively modified to create respective spectral amplitude peaks within substantially 116th of an octave around 500 Hz, within substantially 116th of an octave around 4 kHz and within substantially 116th of an octave around 8 kHz;
defining a far field location-aiding audible signal comprising a plurality of simultaneously occurring fundamental tone frequencies, the far field location-aiding audible signal further comprising a plurality of respective harmonic components for each fundamental tone frequency;
emitting, during each of a first set of time durations, the near field location-aiding audible signal; and
emitting, during a second set of time durations, the far field location-aiding audible signal, the second set of time durations being interleaved with the first set of time durations.
25. A wireless communications device, comprising:
a processor;
a memory, communicatively coupled to the processor, configured to store information operated upon by the processor;
a wireless communications component configured to provide wireless data communications between the processor and a wireless data network;
a near field location-aiding audible signal generator configured to define a near field location-aiding audible signal comprising broad-bandwidth audible noise with spectral portions selectively modified to create respective spectral amplitude peaks within substantially 116th of an octave around 500 Hz, within substantially 116th of an octave around 4 kHz and within substantially 116th of an octave around 8 kHz;
a far field location-aiding audible signal generator configured to define a far field location-aiding audible signal comprising a plurality of simultaneously occurring fundamental tone frequencies, the far field location-aiding audible signal further comprising a plurality of respective harmonic components for each fundamental tone frequency; and
a temporal interleaver configured to:
output, during each of a first set of time durations, the near field location-aiding audible signal; and
output, during a second set of time durations, the far field location-aiding audible signal, the second set of time durations being interleaved with the first set of time durations.
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 semiconductor integrated circuit comprising:
a memory macro which includes a main memory cell array having a plurality of memory cells, a redundancy memory cell array having a plurality of redundancy cells and a redundancy repair mechanism;
a repair information analyzing circuit having a nonvolatile memory element which stores memory identification information used to identify the memory macro; and
a repair information transferring circuit which transfers unit repair information configured by at least the memory identification information and repair information to the repair information analyzing circuit, the repair information analyzing circuit fetching the repair information of the transferred unit repair information therein, outputting the repair information to the memory macro having the redundancy repair mechanism and subjecting the memory macro to a redundancy repair process by means of the redundancy repair mechanism of the memory macro in a case where the memory identification information of the transferred unit repair information coincides with the memory identification information stored in the nonvolatile memory element.
2. The circuit according to claim 1, wherein the repair information analyzing circuit includes a first register which stores the memory identification information, a second register which stores the repair information and a state machine having a rest state, memory information fetching state and repair information fetching state.
3. The circuit according to claim 1, further comprising a memory block having plural sets of the memory macros and repair information analyzing circuits, wherein all of the repair information analyzing circuits in the memory block are serially connected to permit the memory identification information to be serially input.
4. The circuit according to claim 1, further comprising a first memory block having plural sets of the memory macros and repair information analyzing circuits, and a second memory block having plural sets of the memory macros and repair information analyzing circuits, wherein all of the repair information analyzing circuits in each of the first and second memory blocks are serially connected and an input terminal of the memory identification information items of the first and second memory blocks is commonly used by the first and second memory blocks to permit the memory identification information to be input to the first and second memory blocks in parallel.
5. The circuit according to claim 4, wherein the memory identification information stored in the second block is commonly used by the repair information analyzing circuits of the second block and capacity of the second memory block is smaller than that of the first memory block.
6. The circuit according to claim 2, wherein the unit repair information further contains mark information used as a mark required for the state machine to start state transition.
7. The circuit according to claim 6, wherein the state machine is set in the rest state before the unit repair information is input, transited to the memory information fetching state when mark information of the unit repair information transferred is set to a preset value, and transited to the repair information fetching state in which the unit repair information transferred is fetched during a preset clock period.
8. A semiconductor integrated circuit comprising:
a memory macro which includes a main memory cell array having a plurality of memory cells, a redundancy memory cell array having a plurality of redundancy cells and a redundancy repair mechanism;
a repair information analyzing circuit having a register which stores memory identification information used to identify the memory macro;
a repair information transferring circuit which transfers unit repair information configured by at least the memory identification information and repair information to the repair information analyzing circuit; and
a memory identification information generating circuit which generates the memory identification information to be stored in the register and transfers the thus generated memory identification information to the register;
wherein the repair information analyzing circuit fetches the repair information of the transferred unit repair information therein, makes a replacement to the redundancy cell according to the repair information and relieves the memory macro in a case where the memory identification information of the transferred unit repair information coincides with the memory identification information stored in the register.
9. The circuit according to claim 8, wherein the repair information analyzing circuit includes a first register which stores the memory identification information, a second register which stores the repair information and a state machine having a rest state, memory information fetching state and repair information fetching state.
10. The circuit according to claim 8, further comprising a memory block having plural sets of the memory macros and repair information analyzing circuits, wherein all of the repair information analyzing circuits in the memory block are serially connected to permit the memory identification information to be serially input.
11. The circuit according to claim 8, further comprising a first memory block having plural sets of the memory macros and repair information analyzing circuits, and a second memory block having plural sets of the memory macros and repair information analyzing circuits, wherein all of the repair information analyzing circuits in each of the first and second memory blocks are serially connected and an input terminal of the memory identification information items of the first and second memory blocks is commonly used by the first and second memory blocks to permit the memory identification information items to be input to the first and second memory blocks in parallel.
12. The circuit according to claim 11, wherein the memory identification information stored in the second block is commonly used by the repair information analyzing circuits of the second block and capacity of the second memory block is smaller than that of the first memory block.
13. The circuit according to claim 9, wherein the unit repair information further contains mark information used as a mark required for the state machine to start state transition.
14. The circuit according to claim 13, wherein the state machine is set in the rest state before the unit repair information is input, transited to the memory information fetching state when mark information of the unit repair information transferred is set to a preset value, and transited to the repair information fetching state in which the unit repair information transferred is fetched during a preset clock period.
15. A redundancy method of a semiconductor integrated circuit comprising:
fetching repair information of unit repair information transferred therein in a case where memory identification information of the transferred unit repair information coincides with memory identification information stored in a nonvolatile memory element;
outputting the repair information to a memory macro having a redundancy repair mechanism; and
subjecting the memory macro to a redundancy repair process by means of the redundancy repair mechanism of the memory macro.
16. The redundancy method according to claim 15, wherein the semiconductor integrated circuit includes a memory macro which includes a main memory cell array having a plurality of memory cells, a redundancy memory cell array having a plurality of redundancy cells and a redundancy repair mechanism; a repair information analyzing circuit having a register which stores memory identification information used to identify the memory macro; a repair information transferring circuit which transfers unit repair information configured by at least the memory identification information and repair information to the repair information analyzing circuit; and a memory identification information generating circuit which generates the memory identification information stored in the register and transfers the thus generated memory identification information to the register.
17. The redundancy method according to claim 15, wherein the repair information analyzing circuit includes a first register which stores the memory identification information, a second register which stores the repair information and a state machine having a rest state, memory information fetching state and repair information fetching state.
18. The redundancy method according to claim 15, wherein the semiconductor integrated circuit further includes a memory block having plural sets of the memory macros and repair information analyzing circuits, wherein all of the repair information analyzing circuits in the memory block are serially connected to permit the memory identification information to be serially input.
19. The redundancy method according to claim 15, wherein the semiconductor integrated circuit further includes a first memory block having plural sets of the memory macros and repair information analyzing circuits, and a second memory block having plural sets of the memory macros and repair information analyzing circuits, wherein all of the repair information analyzing circuits in each of the first and second memory blocks are serially connected and an input terminal of the memory identification information items of the first and second memory blocks is commonly used by the first and second memory blocks to permit the memory identification information items to be input to the first and second memory blocks in parallel.
20. The redundancy method according to claim 19, wherein the memory identification information stored in the second block is commonly used by the repair information analyzing circuits of the second block and capacity of the second memory block is smaller than that of the first memory block.