Abstract: A noise measuring device is provided. The noise measuring device includes a soundproof box, a sound receiving device, a holding device, and a driving device. The sound receiving device is disposed in the soundproof box. The holding device is disposed in the soundproof box and configured to hold a testing object. The driving device is connected with the soundproof box and configure to drive the soundproof box to rotate.

Abstract: An integrated circuit (IC) structure includes a gate structure, a source epitaxial structure, a drain epitaxial structure, a front-side interconnection structure, a backside dielectric layer, and a backside via. The source epitaxial structure and the drain epitaxial structure are respectively on opposite sides of the gate structure. The front-side interconnection structure is on a front-side of the source epitaxial structure and a front-side of the drain epitaxial structure. The backside dielectric layer is on a backside of the source epitaxial structure and a backside of the drain epitaxial structure and has an air gap therein. The backside via extends through the backside dielectric layer to a first one of the source epitaxial structure and the drain epitaxial structure.

Abstract: A memory storage apparatus and a memory controller and an audio playing method thereof are provided. The memory storage apparatus includes a connector, a rewritable non-volatile memory module, the memory controller, and an audio playing unit. The audio playing unit is coupled to the memory controller via at least one signal control pin and has a speaker and an audio control circuit. The memory controller transmits status information to the audio playing unit via the signal control pin. Besides, the audio control circuit decodes an audio file according the status information and controls the speaker to play the decoded audio file. Thereby, a user can be effectively alerted about the current status of the memory storage apparatus.

Abstract: A method of controlling a portable communications device with an image projecting capability includes: controlling an image projecting unit to project an output screen of an application program, and controlling a touch control display unit to display an operation interface set up according to characteristics of the application program; and in response to actuation of the operation interface, controlling the image projecting unit such that the output screen projected thereby is a result of interaction between the operation interface and the application program.

Abstract: A method of controlling a portable communications device with an image projecting capability includes: controlling an image projecting unit to project an output screen of an application program, and controlling a touch control display unit to display an operation interface set up according to characteristics of the application program; and in response to actuation of the operation interface, controlling the image projecting unit such that the output screen projected thereby is a result of interaction between the operation interface and the application program.