Concerns the measurement of overall characteristics (amplitude/frequency response, signal-to-noise ratio, dynamic range, harmonic distortion, channel crosstalk, channel separation, AGC operation and attack/recovery time, switching noise, wow and flutter) of the FM audio recorded using slanted tracks similar to those used for recording of the video information. The main characteristics of such a recording system are: two channels, high fidelity and the use of companders for noise reduction.
Số hiệu tiêu chuẩn
IEC 61041-3*CEI 61041-3
Tên tiêu chuẩn
Non-broadcast videotape recorders; methods of measurement; part 3: audio characteristics for FM recording
Ngày phát hành
1993-12-00
Tiêu chuẩn tương đương
DIN EN 61041-3 (1996-01), IDT * BS EN 61041-3 (1994-12-15), IDT * GB/T 7397.3 (1998), IDT * EN 61041-3 (1995-07), IDT * prEN 61041-3 (1994-11), IDT * NF C97-163 (1995-11-01), IDT * OEVE EN 61041-3 (1995-09-14), IDT * PN-EN 61041-3 (2000-02-24), IDT * SS-EN 61041-3 (1996-04-26), IDT * TS EN 61041-3 (2001-04-19), IDT * STN EN 61041-3 (2001-08-01), IDT * CSN EN 61041-3 (1998-07-01), IDT * NEN 11041-3:1995 en;fr (1995-09-01), IDT
Thay thế cho
IEC/DIS 60B(CO)128 (1991-01)
Từ khóa
Audio signals * Electrical engineering * FM audio recordings * Frequency modulation * Helical scan recording * Magnetic tape recordings * Magnetic tapes * Measurement * Measuring techniques * Noise (spurious signals) * Properties * Recording * Recording engineering * Recording equipment * Recording systems * Sound recording * Systems * Test tapes * Testing conditions * Testing set-ups * Video * Video recording * Video recording systems * Video tape recorders * Video tapes
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