A listening device comprising: a digital signal processing, i.e. DSP, entity (12, 16) for performing real time system processing including audio processing, the DSP entity operating with a first voltage; a non-volatile, i.e. NV, memory (14, 24) for communicating with the DSP entity and storing logged data during an operation of the listening device when it reproduces audio, the NV memory operating with a second voltage different from the first voltage; characterized by a data logging manager (8, 26, 27, 30) for managing data logging to the NV memory during the reproduction of audio to prevent audible side effects associated with the data logging, the data logging manager including: a level translating module connected to the first voltage and the second voltage, for performing voltage level translation to communication signals including a first communication signal transferred from the DSP entity to the NV memory and a second communication signal transferred from the NV memory to the DSP entity; a first voltage regulator connected to the DSP entity and the level translating module, for providing the first voltage to the DSP entity and the level translating module; a second voltage regulator connected to a charge pump; and the charge pump connected to the level translating module and the NV memory, for providing the second voltage to the level translating module and the NV memory. a digital signal processing, i.e. DSP, entity (12, 16) for performing real time system processing including audio processing, the DSP entity operating with a first voltage; a non-volatile, i.e. NV, memory (14, 24) for communicating with the DSP entity and storing logged data during an operation of the listening device when it reproduces audio, the NV memory operating with a second voltage different from the first voltage; characterized by a data logging manager (8, 26, 27, 30) for managing data logging to the NV memory during the reproduction of audio to prevent audible side effects associated with the data logging, the data logging manager including: a level translating module connected to the first voltage and the second voltage, for performing voltage level translation to communication signals including a first communication signal transferred from the DSP entity to the NV memory and a second communication signal transferred from the NV memory to the DSP entity; a first voltage regulator connected to the DSP entity and the level translating module, for providing the first voltage to the DSP entity and the level translating module; a second voltage regulator connected to a charge pump; and the charge pump connected to the level translating module and the NV memory, for providing the second voltage to the level translating module and the NV memory. a level translating module connected to the first voltage and the second voltage, for performing voltage level translation to communication signals including a first communication signal transferred from the DSP entity to the NV memory and a second communication signal transferred from the NV memory to the DSP entity; a first voltage regulator connected to the DSP entity and the level translating module, for providing the first voltage to the DSP entity and the level translating module; a second voltage regulator connected to a charge pump; and the charge pump connected to the level translating module and the NV memory, for providing the second voltage to the level translating module and the NV memory.