Speech and sound synthesizers with connected memories and outputs

A speech synthesizing circuit, comprising:

• a speech synthesizing integrated circuit chip having a microprocessor, a speech synthesizer, a programmable memory, an input/output port, and a speech address register for storing an address containing speech data, the speech synthesizing integrated circuit chip including an instruction, pre-programmed into the speech synthesizing integrated circuit chip during manufacture thereof, that causes an address to be loaded into the speech address register;
• and
• an external memory integrated circuit chip, the input/output port of the speech synthesizing integrated circuit chip being connected to the external memory integrated circuit chip;
• the programmable memory of the speech synthesizing integrated circuit chip being programmed to cause the microprocessor to retrieve speech data from the external memory integrated circuit chip for speech synthesis by the speech synthesizer, the programmable memory being programmed by providing a software simulation of the instruction that causes an address to be loaded into the speech address register, the software simulation causing the address to be loaded into the external memory integrated circuit chip,
• wherein the external memory integrated circuit chip comprises an audio synthesizing integrated circuit chip having a microprocessor, an audio synthesizer, an input/output port, and an audio data storage memory.

A method of combining a speech synthesizing integrated circuit chip with an external memory integrated circuit chip, comprising the steps of:

• providing a speech synthesizing integrated circuit chip having a microprocessor, a speech synthesizer, a programmable memory, an input/output port, and a speech address register for storing an address containing speech data, the speech synthesizing integrated circuit chip including an instruction, pre-programmed into the speech synthesizing integrated circuit chip during manufacture thereof, that, when executed, can cause an address to be loaded into the speech address register;
• providing the external memory integrated circuit chip;
• connecting the input/output port of the speech synthesizing integrated circuit chip with the external memory integrated circuit chip;
• programming the programmable memory of the speech synthesizing integrated circuit chip to cause the microprocessor to retrieve speech data from the external memory integrated circuit chip for speech synthesis by the speech synthesizer, the programmable memory being programmed by providing a software simulation of the instruction that can cause an address to be loaded into the speech address register, the software simulation causing the address to be loaded into the external memory integrated circuit chip without reliance on execution of the instruction pre-programmed into the speech synthesizing integrated circuit chip to load the address.

A speech synthesizing circuit, comprising:

• a speech synthesizing integrated circuit chip having a microprocessor, a speech synthesizer, and a programmable memory, an input/output port, the speech synthesizing integrated circuit chip including one or more instructions, pre-programmed into the speech synthesizing integrated circuit chip during manufacture thereof, that, when executed, can obtain speech data located at an address stored in a speech address register that stores an address at which speech data is located;
• and
• an external memory integrated circuit chip, the input/output port of the speech synthesizing integrated circuit chip being connected to the external memory integrated circuit chip;
• at least one of the integrated circuit chips being programmed to cause speech data to be delivered from the external memory integrated circuit chip to the speech synthesizing integrated circuit chip for speech synthesis by the speech synthesizer, by providing a software simulation of execution of the one or more instructions that can obtain speech data located at an address stored in the speech address register, the software simulation causing speech data to be obtained by the speech synthesizing integrated circuit chip from the external memory integrated circuit chip at an address stored in the external memory integrated circuit chip without reliance on execution of the one or more instructions pre-programmed into the speech synthesizing integrated circuit chip to obtain speech data.

A speech synthesizing circuit, comprising:

• a speech synthesizing integrated circuit chip having a microprocessor, a speech synthesizer, and a programmable memory, an input/output port, the speech synthesizing integrated circuit chip including one or more instructions, pre-programmed into the speech synthesizing integrated circuit chip during manufacture thereof, that obtain speech data located at an address stored in a speech address register that stores an address at which speech data is located;
• and
• an external memory integrated circuit chip, the input/output port of the speech synthesizing integrated circuit chip being connected to the external memory integrated circuit chip;
• at least one of the integrated circuit chips being programmed to cause speech data to be delivered from the external memory integrated circuit chip to the speech synthesizing integrated circuit chip for speech synthesis by the speech synthesizer, by providing a software simulation of execution of the one or more instructions that obtain speech data located at an address stored in the speech address register, the software simulation causing speech data to be obtained by the speech synthesizing integrated circuit chip from the external memory integrated circuit chip at an address stored in the external memory integrated circuit chip,
• wherein the external memory integrated circuit chip comprises an audio synthesizing integrated circuit chip having a microprocessor, an audio synthesizer, an input/output port, and an audio data storage memory.

A method of combining a speech synthesizing integrated circuit chip with an external memory integrated circuit chip, comprising the steps of:

• providing a speech synthesizing integrated circuit chip having a microprocessor, a speech synthesizer, and a programmable memory, an input/output port, the speech synthesizing integrated circuit chip including one or more instructions, pre-programmed into the speech synthesizing integrated circuit chip during manufacture thereof, that, when executed, can obtain speech data located at an address stored in a speech address register that stores an address at which speech data is located;
• providing the external memory integrated circuit chip;
• connecting the input/output port of the speech synthesizing integrated circuit chip with the external memory integrated circuit chip;
• programming at least one of the integrated circuit chips to cause speech data to be delivered from the external memory integrated circuit chip to the speech synthesizing integrated circuit chip for speech synthesis by the speech synthesizer, by providing a software simulation of execution of the one or more instructions that can obtain speech data located at an address stored in the speech address register, the software simulation causing speech data to be obtained by the speech synthesizing integrated circuit chip from the external memory integrated circuit chip at an address stored in the external memory integrated circuit chip without reliance on execution of the one or more instructions pre-programmed into the speech synthesizing integrated circuit chin to obtain speech data.

A speech synthesizing circuit, comprising:

• a speech synthesizing integrated circuit chip having a microprocessor, a speech synthesizer, and an input/output port for interfacing with an external memory;
• and
• a sound synthesizing integrated circuit chip having a microprocessor, a sound synthesizer having a data rate substantially greater than that of the speech synthesizer of the speech synthesizing integrated circuit chip, an input/output port, and a sound data storage memory;
• the input/output port of the speech synthesizing integrated circuit chip being interfaced with the input/output port of the sound synthesizing integrated circuit chip;
• at least one of the integrated circuit chips being programmed to cause the microprocessor of the speech synthesizing integrated circuit chip to retrieve speech data from the sound data storage memory of the sound synthesizing integrated circuit chip for speech synthesis by the speech synthesizer of the speech synthesizing integrated circuit chip.

A method of combining a speech synthesizing integrated circuit chip and a sound synthesizing integrated circuit chip, comprising the steps of:

• providing a speech synthesizing integrated circuit chip having a microprocessor, a speech synthesizer, and an input/output port for interfacing with an external memory;
• providing a sound synthesizing integrated circuit chip having a microprocessor, a sound synthesizer having a data rate substantially greater than that of the speech synthesizer of the speech synthesizing integrated circuit chip, an input/output port, and a sound data storage memory;
• interfacing the input/output port of the speech synthesizing integrated circuit chip with the input/output port of the sound synthesizing integrated circuit chip;
• and
• programming at least one of the integrated circuit chips to cause the microprocessor of the speech synthesizing integrated circuit chip to retrieve speech data from the sound data storage memory of the sound synthesizing integrated circuit chip for speech synthesis by the speech synthesizer of the speech synthesizing integrated circuit chip.

An audio synthesizing circuit, comprising:

• a first audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a balanced speaker driver connected to receive an output of the audio synthesizer containing audio information and having two outputs for connection of a first speaker impedance between the two outputs;
• a second audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a single-ended speaker driver connected to receive an output of the audio synthesizer containing audio information and having a single output for connection to a second speaker impedance;
• and
• a speaker connected between the two outputs of the balanced speaker driver of the first audio synthesizing integrated circuit chip and also connected to the single-ended speaker driver of the second audio synthesizing integrated circuit chip.

An audio synthesizing circuit, comprising:

• a first audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a balanced speaker driver having two outputs for connection of a first speaker impedance between the two outputs;
• a second audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a single-ended speaker driver having a single output for connection to a second speaker impedance;
• a speaker connected between the two outputs of the balanced speaker driver of the first audio synthesizing integrated circuit chip and also connected to the single-ended speaker driver of the second audio synthesizing integrated circuit chip, and
• at least one resistor connected to the speaker so as to form a resistive network with the speaker, the resistive network having an impedance between the two outputs of the balanced speaker driver equal to the first speaker impedance and having a single-ended impedance connected to the output of the single-ended speaker driver equal to the second speaker impedance.

An audio synthesizing circuit, comprising:

• a first audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a balanced speaker driver having two outputs for connection of a first speaker impedance between the two outputs;
• a second audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a single-ended speaker driver having a single output for connection to a second speaker impedance;
• and
• a speaker connected between the two outputs of the balanced speaker driver of the first audio synthesizing integrated circuit chip and also connected to the single-ended speaker driver of the second audio synthesizing integrated circuit chip,
• wherein the first and second audio synthesizing circuits are formed on respective integrated circuit chips.

An audio synthesizing circuit, comprising:

• a first audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a balanced speaker driver having two outputs for connection of a first speaker impedance between the two outputs;
• a second audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a single-ended speaker driver having a single output for connection to a second speaker impedance;
• and
• a speaker connected between the two outputs of the balanced speaker driver of the first audio synthesizing integrated circuit chip and also connected to the single-ended speaker driver of the second audio synthesizing integrated circuit chip,
• wherein the first audio synthesizing circuit comprises a speech synthesizing circuit and the second audio synthesizing circuit comprises a non-speech sound synthesizing circuit.

An audio synthesizing circuit, comprising:

• a first audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a balanced speaker driver having two outputs for connection of a first speaker impedance between the two outputs;
• a second audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a single-ended speaker driver having a single output for connection to a second speaker impedance;
• and
• a speaker connected between the two outputs of the balanced speaker driver of the first audio synthesizing integrated circuit chip and also connected to the single-ended speaker driver of the second audio synthesizing integrated circuit chip,
• wherein the audio driver of the second audio synthesizing integrated circuit produces an analog output.

A method of combining a plurality of audio synthesizing integrated circuits, comprising the steps of:

• providing a first audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a balanced speaker driver connected to receive an output of the audio synthesizer containing audio information and having two outputs for connection of a first speaker impedance between the two outputs;
• providing a second audio synthesizing integrated circuit having a microprocessor, an audio synthesizer, an audio data storage memory, and a single-ended speaker driver connected to receive an output of the audio synthesizer containing audio information and having a single output for connection to a second speaker impedance;
• and
• connecting a speaker between the two outputs of the balanced speaker driver of the first audio synthesizer and also connecting the speaker to the single-ended speaker driver of the second audio synthesizer.