Dolphin Integration

Paul Giletti

Sébastien Genevey

Emmanuel Grand

Frédéric Poullet

Arthur Veith

Florian Espalieu

The invention concerns a circuit for speech recognition comprising: a voice detection circuit configured to detect, based on at least one input parameter, the presence of a voice signal in an input audio signal and to generate an activation signal on each voice detection event; a speech recognition circuit configured to be activated by the activation signal and to perform speech recognition on the input audio signal, the speech recognition circuit being further configured to generate an output signal indicating, based on the speech recognition, whether each voice detection event is true or false; and an analysis circuit configured to generate, based on the output signal of the speech recognition circuit, a control signal for modifying one or more of said input parameters.

Circuit and method for speech recognition

The invention concerns an amplifier circuit comprising: an amplifier having a first input coupled to an input node of the amplifier circuit via a first resistor and an output coupled to a load via a coupling capacitor, the output being coupled to the first input via a second resistor; and a current ramp generator adapted to supply a current ramp to the first input of the amplifier during a power up phase or power down phase of the amplifier circuit to control the rate of charge or discharge of the coupling capacitor.

Circuit for reducing pop noise

The invention relates to a test device for an analog circuit to be mounted on a mixed circuit including said analog circuit and a synchronous digital circuit. The test device includes a disturbance emulator connected to a first supply source (UrefD) capable of disturbing a second supply source (UrefA) of the analog circuit, the first and second supply sources being optionally merged, the emulator being adapted for receiving data representative of the evolution, during a given duration, of the average (&#x3bc;I) and the typical deviation (&#x3c3;I) of a first inrush current (I) that would be applied to the first supply source by the digital circuit, and being adapted for applying to the first supply source during successive intervals, each successive interval having said duration, a second inrush current (I) equal to the sum of the average and of the product of the typical deviation and of a pseudo-random signal varying according to a Gaussian law.

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Grenoble, France

Paul Giletti