AUDIO AND AUDIOVISUAL EQUIPMENT - DIGITAL AUDIO PARTS - BASIC MEASUREMENT METHODS OF AUDIO CHARACTERISTICS - PART 4: PERSONAL COMPUTER
International Electrotechnical Committee
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
3.3 Rated values
4 Measuring conditions
4.1 Environmental conditions
4.2 Power supplies
4.3 Test signal frequencies
4.4 Standard setting
4.5 Working setting
4.6 Preconditioning
5 Measuring instruments
5.1 Analogue signal generator
5.2 Analogue in-band level meter
5.3 Analogue low-pass filter
5.4 Analogue weighting filter
5.5 Standard medium
5.6 Recording medium
5.7 Software for digital data evaluation
5.8 Short-term distortion meter
5.9 Other instruments
6 Methods of measurement (digital-in/analogue-out)
6.1 Input/output characteristics
6.2 Frequency response
6.3 Noise characteristics
6.4 Distortion characteristics
7 Methods of measurement (analogue-in/digital-out)
7.1 Input/output characteristics
7.2 Frequency response
7.3 Noise characteristics
7.4 Distortion characteristics
Specifies the basic measurement methods of a linear PCM signal for an audio part of personal computers (PCs) and applies to both desktop and portable computers.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 100 |
