Circuit and method for recording and playing back voice and other sounds in digital mobile radio devices

US6580903B2 · kind B2 · utility

Assignee

• Infineon Technologies AG · DE

Inventors

• Werner Hein · Munich, DE
• Johann Steger · Munich, DE
• Jürgen Paulus · Hersbruck, DE

Key dates

• Filing date: Feb 20, 2001
• Grant date: Jun 17, 2003
• Expiry date: Feb 20, 2021

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04M1/724
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

A circuit for recording and playing back voice in digital mobile radio devices and a method for appropriately recording and playing back the voice. The circuit includes a transmit-end voice encoder, a receive-end voice decoder, a memory for the recorded signals, a further voice encoder whose output is connected to the memory, and a further voice decoder whose input is connected to the memory.