M72 音响、电声设备 标准查询与下载

IEC 61883-7:2003 用户音频/视频设备.数字接口.第7部分:ITU-R BO.1294系统B传输

This specification defines packetization and transmission for transport streams of ITU-R BO. 1294 system B (DirecTV system/DSS) over the IEEE 1394 Serial Bus.

Consumer audio/video equipment - Digital interface - Part 7: Transmission of ITU-R BO.1294 System B

KS C IEC 61602:2002 音频、视频和视听工程领域使用的连接器

이 기술 보고서는 오디오, 비디오 및 시청각 기기 분야에서 커넥터 식별과 응용 안내서이다.

Connectors used in the field of audio, video and audiovisual engineering

KS C IEC 60849:2002 备用音响系统

이 국제 규격은 비상 상황에 옥내외 지역에서 현 거주자의 빠르고 적절한 이동에 효과를 주도

Sound systems for emergency purposes

GY/T 187-2002 多通路音频数字串行接口

Serial multichannel audio digital interface

IEC 61883-6:2002 用户音频/视频设备.数字接口.第6部分:音频和音乐数据传输协议

Consumer audio/video equipment - Digital interface - Part 6: Audio and music data transmission protocol

ANSI/AWS B2.1-1/8-227:2002 利用轻便仪器测量立体声播放系统震动衰减特性的方法

This standard contains the essential welding variables for carbon steel to austenitic stainless steel in the thickness range of 1/16 through 1-1/2 inch, using manual gas tungsten arc welding. It cites the base metals and operating conditions necessary to make the weldment. The filler metal specifications, and the allowable joint designs for groove and fillet welds. This SWPS was developed primarily for pipe applications.

Standard Welding Procedure Specification (WPS) for Gas Tungsten Arc Welding of Carbon Steel to Austenitic Stainless Steel (M-1/P-1/S-1 Groups 1 and 2 Welded to M-8/P-8/S-8, Group 1) 1/16 through 1-1/2 inch thick, ER309, As-Welded Condition, Primarily Pip

IEC 61937-6:2002 数字音频.用于IEC 60958的非线性脉冲编码调制(PCM)编码音频位流的接口.第6部分:依据MPEG-2 AAC格式的非线性脉冲编码调制(PCM)位流

Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 6: Non-linear PCM bitstreams according to the MPEG-2 AAC-format

IEC 61937-5:2002 数字音频.用于IEC 60958的非线性脉冲编码调制(PCM)编码音频位流的接口.第5部分:依据DTS(数字剧院系统格式)的非线性脉冲编码调制(PCM)位流

Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 5: Non-linear PCM bitstreams according to the DTS (Digital Theatre Systems format(s))

ITU-T P.561 SPANISH-2002 运行中非侵入测量装置.语音业务测量.12号研究组

This Recommendation provides specifications for voice service transmission measurement devices that provide measurements on an in-service and non-intrusive basis. These In-Service, Non-intrusive Measurement Devices (INMDs) are utilised primarily for the measurement of voice-grade parameters such as speech level, noise level, echo loss and speech echo path delay.

In-Service Non-Intrusive Measurement Device - Voice Service Measurements

ITU-T P.561 FRENCH-2002 运行中非侵入测量装置.语音业务测量.12号研究组

This Recommendation provides specifications for voice service transmission measurement devices that provide measurements on an in-service and non-intrusive basis. These In-Service, Non-intrusive Measurement Devices (INMDs) are utilised primarily for the measurement of voice-grade parameters such as speech level, noise level, echo loss and speech echo path delay.

In-Service Non-Intrusive Measurement Device - Voice Service Measurements

DLA MIL-DTL-25547 C-2002 LS-211/AIC-13型永磁提扬声器

This specification covers one type of loudspeaker, designated loudspeaker, permanent magnet, LS-211/AIC-13.This loudspeaker is a horn type unit with a frequency response of 200-7000 Hz, nominal 16 ohms voice coil impedance, and a 20 watt peak power output (see 6.1).

LOUDSPEAKER, PERMANENT MAGNET, LS-211/AIC-13

IEC 61937-7:2002 数字音频.使用IEC 60958的非线性脉冲编码调制(PCM)编码音频位流的界面.第7部分:根据ATRAC and ATRAC 2/3 格式对非线性脉冲编码调制(PCM)位流的使用

Digital audio - Interface for non-linear PCM encoded audio bitstreams applying IEC 60958 - Part 7: Non-linear PCM bitstreams according to the ATRAC and ATRAC 2/3 formats

NF C97-303:2002 音响系统设备.第3部分:放大器

Sound system equipment - Part 3 : amplifiers.

DLA SMD-5962-89548 REV B-2002 硅单片低噪声双运算扬声器线性微电路

This drawing describes device requirements for MIL-STD-883 compliant, non-JAN class level B microcircuits in accordance with MIL-PRF-38535, appendix A.

MICROCIRCUIT, LINEAR, OPERATIONAL AMPLIFIER, DUAL, LOW NOISE, MONOLITHIC SILICON

DLA SMD-5962-87771 REV D-2002 硅单片运算扬声器低功耗四方低偏移线性微电路

This drawing documents two product assurance class levels consisting of high reliability (device classes Q and M) and space application (device class V). A choice of case outlines and lead finishes are available and are reflected in the Part or Identifying Number (PIN). When available, a choice of Radiation Hardness Assurance (RHA) levels are reflected in the PIN.

MICROCIRCUIT, LINEAR, QUAD LOW OFFSET, LOW POWER, OPERATIONAL AMPLIFIER, MONOLITHIC SILICON

ITU-T Q.115.1-2002 回声控制器的控制逻辑

In this Recommendation, the expression "Administration" is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. INTELLECTUAL PROPERTY RIGHTS ITU draws attention to the possibility that the practice o

Logic for the control of echo control devices and functions SERIES Q: SWITCHING AND SIGNALLING Clauses applicable to ITU-T standard systems Logic and protocols for the control of signal processing network elements and functions Study Group 11

ITU-T Q.115.1 SPANISH-2002 控制回声控制器和功能的逻辑.系列Q:适用于ITU-T标准系统的交换和信令条款.控制信号处理的网络元素和功能的逻辑与协议.11号研究组

The propagation delay in transport networks affects both computer communication protocols and audiovisual communication between humans. The most noted effect is the echo problem for telephony which depends heavily on the propagation delay of the connection.

Logic for the control of echo control devices and functions SERIES Q: SWITCHING AND SIGNALLING Clauses applicable to ITU-T standard systems Logic and protocols for the control of signal processing network elements and functions Study Group 11

KS C 1502-2001 声级计

이 규격은 주파수와 시간에 대하여 가중 평균한 음압 레벨을 측정하는 소음계에 대하여 규정한

Sound level meters

EN 61094-5:2001 测量扩音器.第5部分:使用比较法测定工作标准扩音器压力校准的方法

This part of IEC 61094 is applicable to working standard microphones with removable protection grids meeting the requirements of IEC 61094-4 and to laboratory standard microphones meeting the requirements of IEC 61094-1. This part of IEC 61094 also describes methods of determining the pressure sensitivity by comparison with either a laboratory standard microphone that has been calibrated according to IEC 61094-2, or another working standard microphone that has been calibrated according to this part of IEC 61094. Alternative comparison methods based on the principles described in IEC 61 094-2 are possible but beyond the scope of this part of IEC 61094.

Measurement microphones Part 5: Methods for pressure calibration of working standard microphones by comparison

DLA MIL-DTL-83505 B-2001 (电子引线元件)套筒一般规范

This specification covers the general requirements for individual lead sockets for insertion through mounting boards or panels.

SOCKETS, (LEAD, ELECTRONIC COMPONENTS), GENERAL SPECIFICATION FOR