ISIシェーパーを用いたデジタル直接駆動スピーカシステムの研究

Jazyk: japonština
Rok vydání: 2023
Předmět:
Zdroj: 法政大学大学院紀要. 理工学研究科編. 64:1-7
ISSN: 2436-8083
Popis: This paper proposes a new dynamic element matching (DEM) method for simultaneously shaping speaker mismatch and inter-symbol interference (ISI) error in digital direct-drive speaker systems. In a previous study, ISI error in a multi-bit Delta-Sigma DAC was analyzed, and a DEM that simultaneously shapes ISI error in addition to shaping the element mismatch was developed. The proposed method was modified to be applied to the driving method of a digital direct-drive speaker system and analyzed by simulation. As a result, it is confirmed that the proposed method simultaneously shapes the element mismatch and ISI error.
Databáze: OpenAIRE
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