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207

DIGIT

AUDIO

SIGNAL

GENERA

DG-2630

DIGITAL AUDIO SIGNAL GENERATOR

DG-2630

SPECIFICATIONS

Memory backup

The status of memory data is backed up.
MPEG-2 AAC test pattern
Sampling frequency

48 kHz, 44.1 kHz, 32 kHz

Number of quantization bit

24 bit, 16 bit fixed

Profile

LC profile

Bit-stream form

ADTS

Sound mode

Monaural, Stereo, Multi-channel,
Dual-monaural

Sound emphasis

Non

Bit rate

96 kbps, 128 bps, 144 kbps, 192 kbps

Test pattern frequency

18.75Hz, 46.875Hz, 93.75Hz,
187.5Hz, 281.25Hz, 375Hz, 562.5Hz,
937.5Hz, 1.125kHz, 1.875kHz,
2.25kHz, 3kHz, 4.5kHz, 5.25kHz,
9kHz, 10.125kHz, 15kHz, 20.25kHz
fixed (at sampling frequency 48kHz)
12.5Hz, 31.25Hz, 62.5Hz, 125Hz,
187.5Hz, 250Hz, 500Hz, 1kHz, 2kHz,
4kHz, 5kHz, 8kHz, 10kHz, 14kHz
fixed (at sampling frequency 32kHz)
43.0664Hz, 86.136Hz, 172.2656Hz,
258.398Hz, 516.797Hz, 689.0625Hz,
1.033594kHz, 1.378125kHz,
2.067186kHz, 2.75625kHz,
4.134375kHz, 5.5125kHz,
8.26875kHz, 19.29375kHz, fixed (at
sampling frequency 44.1kHz)

Test pattern waveform

Sine wave

Number of test pattern

86 kinds

Sampling frequency accuracy

Fs ±50 ppm (when internal clock is used)

MUTE function

Fixed

Output format

Compliant with the IEC61937 digital
audio interface standard

Test pattern output level

0 dBFS to 120 dBFS fixed

PCM test pattern
Sampling frequency

96 kHz, 48 kHz, 44.1 kHz, 32 kHz

Number of quantization bit

16 bit 2 channel, 24 bit 2 channel

Test pattern frequency

1 Hz to (Sampling frequency/2)Hz

Test pattern waveform

Sine wave, square wave

Number of test pattern

Maximum 100 kinds

Sampling frequency accuracy

Fs ± 50 ppm (when internal clock is used)

MUTE function

L, R, L + R

Output format

Compliant with the IEC 60958 digital
audio interface standard

Test pattern output range

96 to 0 dBm(at 16bit), 144 to 0
dBm (at 24 bit) in 0.1 dBm steps

Connectors
Coaxial output

BNC-R

Output impedance

Output level

0.5 ± 0.05 V p-p

Optical output 1 (Up to 48 kHz of the sampling frequency)

TOSLINK TOTX176
Output level : 19dBm fixed and

19dBm to 27dBm
variable at 2 kinds

Optical output 2 (Up to 96 kHz of the sampling frequency)

TOSLINK TOTX179
Output level : 21dBm(min.) and

15dBm(max.) fixed

EXT. CLOCK input

BNC-R
Input level : TTL level
*256 times the sampling frequency
is input at the 96 kHz of sampling
frequency. 512 times the sampling
frequency is input at the other
sampling frequency.

BIT CLOCK, Fs output

BNC-R
Output level : TTL level

Remote control terminal

D-sub 15 pin (female)

RS-232C terminal

D-sub 25 pin (female), Compliance
with RS-232C standard

Dimensions

210 (W) × 133 (H) × 300 (D) mm

Weight

approx. 3.9 kg

Power source

100 to 240 VAC, 50/60 Hz, approx. 8 W

Operation temp.

0 to 50°C

Accessories

Optical fiber cable : 1
Power cord : 1
Instruction manual : 1

DIGITAL AUDIO SIGNAL GENERATOR

208

MPEG-2 AAC Test Pattern Table (Fixed)

No.

Mode

Bits L

LFE

Note

3/2/.1

18.75Hz

20dBFS

-20dBFS

3/2/.1

46.875Hz

-20dBFS

3/2/.1

187.5Hz

-20dBFS

3/2/.1

375Hz

-20dBFS

3/2/.1

562.5Hz

-20dBFS

3/2/.1

937.5Hz

-20dBFS

3/2/0

1.875kHz

-20dBFS

3/2/0

3kHz

-20dBFS

3/2/0

5250Hz

-20dBFS

3/2/0

10.125kHz

-20dBFS

3/2/0

15kHz

-20dBFS

3/2/0

20.250kHz

-20dBFS

3/2/.1

93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz
0dBFS

0dBFS

3/2/.1

93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz
-20dBFS

-20dBFS

3/2/.1

93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz
-40dBFS

-40dBFS

3/2/.1

93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz
-60dBFS

-60dBFS

3/2/.1

93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz
-80dBFS

-80dBFS

3/2/.1

93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz
-100dBFS

-100dBFS

3/2/.1

93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz 93.75Hz
-120dBFS

-120dBFS

3/2/0

937.5Hz
0dBFS

3/2/0

937.5Hz
0dBFS

3/2/0

937.5Hz
0dBFS

3/2/0

937.5Hz
0dBFS

3/2/0

937.5Hz
0dBFS

3/2/.1

937.5Hz
0dBFS

3/2/.1

937.5Hz 937.5Hz 937.5Hz

937.5Hz 937.5Hz 281.25Hz

0dBFS

3/2/.1

937.5Hz 937.5Hz 937.5Hz

937.5Hz 937.5Hz Matrix

mixdown

0dBFS

factor (PCE)

1+1

937.5Hz 937.5Hz

Dual Mono (PCE)

0dBFS

2/0/0

937.5Hz 937.5Hz

Stereo

0dBFS

3/0/0

937.5Hz 937.5Hz

937.5Hz

L, C, R

0dBFS

2/1/0

937.5Hz 937.5Hz

937.5Hz

L, C, R (PCE)

0dBFS

3/1/0

937.5Hz 937.5Hz

937.5Hz

L, C, R, S

0dBFS

2/2/0

937.5Hz 937.5Hz 937.5Hz

937.5Hz

L, R, Ls, Rs (PCE)

0dBFS

3/2/.1

1125Hz 4500Hz 2250Hz

562.5Hz 9000Hz 93.75Hz

0dBFS

3/2/.1

1125Hz 4500Hz 2250Hz

562.5Hz 9000Hz 93.75Hz

PCE

0dBFS

3/2/.1

1125Hz 4500Hz 2250Hz

562.5Hz 9000Hz 93.75Hz

bitrate=

0dBFS

96kbps

3/2/.1

1125Hz 4500Hz 2250Hz

562.5Hz 9000Hz 93.75Hz

bitrate=

0dBFS

128kbps

3/2/.1

1125Hz 4500Hz 2250Hz

562.5Hz 9000Hz 93.75Hz

bitrate=

0dBFS

192kbps

MPEG-2 AAC Test Pattern Table - 1
(Sampling frequency = 48 kHz)

MPEG-2 AAC Test Pattern Table - 2
(Sampling frequency = 32 kHz)

No.

Mode

Bits L

LFE

Note

3/2/.1

12.5Hz

20dBFS

-20dBFS

3/2/.1

31.25Hz

-20dBFS

3/2/.1

125Hz

-20dBFS

3/2/.1

250Hz

187.5Hz

-20dBFS

3/2/.1

500Hz

187.5Hz

-20dBFS

3/2/0

1kHz

-20dBFS

3/2/0

2kHz

-20dBFS

3/2/0

5kHz

-20dBFS

3/2/0

14kHz

-20dBFS

3/2/0

10.125kHz

-20dBFS

3/2/.1

62.5Hz

0dBFS

3/2/.1

62.5Hz

-20dBFS

3/2/.1

62.5Hz

-40dBFS

3/2/.1

62.5Hz

-60dBFS

3/2/.1

62.5Hz

-80dBFS

3/2/.1

62.5Hz

-100dBFS

3/2/.1

62.5Hz

-12dBFS

-120dBFS

3/2/0

1kHz
0dBFS

3/2/0

1kHz
0dBFS

3/2/0

1kHz
0dBFS

3/2/0

1kHz
0dBFS

3/2/0

1kHz
0dBFS

3/2/.1

62.5Hz
0dBFS

3/2/.1

1kHz 1kHz 1kHz

1kHz 1kHz 187.5kHz

0dBFS

3/2/.1

1kHz 1kHz 1kHz

1kHz 1kHz

Matrix

mixdown

0dBFS

factor (PCE)

1+1

1kHz 1kHz

Dual Mono (PCE)

0dBFS

2/0/0

937.5Hz 937.5Hz

Stereo

0dBFS

3/0/0

1Hz 1Hz

1Hz

L, C, R

0dBFS

2/1/0

1Hz 1Hz

1Hz

L, C, R (PCE)

0dBFS

3/1/0

1Hz 1Hz

1Hz

L, C, R, S

0dBFS

2/2/0

1Hz 1Hz 1Hz

1Hz

L,R,Ls,Rs (PCE)

0dBFS

3/2/.1

1kHz 4kHz 2kHz

500Hz 8kHz 62.5Hz

0dBFS

3/2/.1

1kHz 4kHz 2kHz

500Hz 8kHz 62.5Hz

PCE

0dBFS

3/2/.1

1kHz 4kHz 2kHz

500Hz 8kHz 62.5Hz

bitrate=

0dBFS

96kbps

3/2/.1

1kHz 4kHz 2kHz

500Hz 8kHz 62.5Hz

bitrate=

0dBFS

128kbps

3/2/.1

1kHz 4kHz 2kHz

500Hz 8kHz 62.5Hz

bitrate=

0dBFS

192kbps

209

DIGIT

AUDIO

SIGNAL

GENERA

DG-2630

DIGITAL AUDIO SIGNAL GENERATOR

DG-2630

PCM Test Pattern Table ( initial value)

Data

Sampling

Test signal

Level (dBm)

channel status (C bit)

User data

Validity flag

No.

freq.(Hz)

L-ch

R-ch

Copy bit

Emphasis

Other bit

(U bit)

Flag

44.1k

-12

Prohibit

OFF

all"0"

"0"

-12

125

250

500

10k

12.5k

16k

18k

20k

MUTE

-12

125

10k

16k

OFF

-1

-3

-6

-10

-30

-60

-90

SCMS 7Hz

32k

-12

Prohibit

-12

125

250

500

10k

12.5k

14k

14.5k

-1

-3

-6

-10

-30

-60

-90

48k

-12

125

250

500

10k

12.5k

16k

18k

20k

22k

-1

-3

-6

-10

-30

-60

-90

96k

-12

125

250

500

10k

14k

20k

40k

100

44k

MPE2 AAC Test Pattern Table - 3
(Sampling frequency = 44.1 kHz)

No.

Mode

Bits L

LFE

Note

3/2/.1

430664Hz

20dBFS

-20dBFS

3/2/.1

1722656Hz

-20dBFS

3/2/.1

689.0625Hz 689.0625Hz 689.0625Hz 689.0625Hz 689.0625Hz 689.0625Hz
-20dBFS

-20dBFS

3/2/0

1378.125Hz 1378.125Hz 1378.125Hz 1378.125Hz 1378.125Hz
-20dBFS

-20dBFS

3/2/0

2756.25Hz

-20dBFS

3/2/0

5512.5Hz

-20dBFS

3/2/0

19293.75Hz 19293.75Hz 19293.75Hz 19293.75Hz 19293.75Hz
-20dBFS

-20dBFS

3/2/0

1033.594Hz 1033.594Hz 1033.594Hz 1033.594Hz 1033.594Hz
-20dBFS

-20dBFS

3/2/.1

1033.594Hz 4134.375Hz 2067.186Hz 516.797Hz

8268.75Hz

86.136Hz

0dBFS

3/2/.1

1033.594Hz 4134.375Hz 2067.186Hz 516.797Hz

8268.75Hz

86.136Hz

bitrate=

0dBFS

96kbps

3/2/.1

1033.594Hz 4134.375Hz 2067.186Hz 516.797Hz

8268.75Hz

86.136Hz

bitrate=

0dBFS

128kbps

3/2/.1

1033.594Hz 4134.375Hz 2067.186Hz 516.797Hz

8268.75Hz

86.136Hz

bitrate=

0dBFS

192kbps

Ð­Ð»ÐµÐºÑ‚Ñ€Ð¾Ð½Ð½Ñ‹Ð¹ ÐºÐ¾Ð¼Ð¿Ð¾Ð½ÐµÐ½Ñ‚: DG-2630

ÐÐ»ÐµÐºÑ‚Ñ€Ð¾Ð½Ð½Ñ‹Ð¹ ÐºÐ¾Ð¼Ð¿Ð¾Ð½ÐµÐ½Ñ‚: DG-2630