PSB7238 SIEMENS [Siemens Semiconductor Group], PSB7238 Datasheet - Page 139

• Manufacturer Part Number: PSB7238
• Description: Joint Audio Decoder-Encoder - Multimode
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

MODE
EM(3-0),
DM(3-0)
OPT1
Value after reset: 00
Value after reset: 00
I
Semiconductor Group
(MSB)
(MSB)
Data is invalid. If I is set then the compressed data in this packet was missing
or had errors. The data words in this packet are still sent to avoid buffer
problems.
0
1
EM3
I
Audio modes for encoder (EM(3-0)) and decoder (DM(3-0)).
0
1
2
3
4
5
6
H
H
H
H
H
H
H
Data is valid
Data is invalid
EM2
H
H
0
Neutral mode, no compressed audio data is exchanged
Pass-through 16-bit linear 8 kHz or 16-kHz sampled data
G.711 8-kHz sample rate A-law encoding/decoding
G.711 8-kHz sample rate -law encoding/decoding
G.722 16-kHz sample rate (wideband) sub-band ADPCM
encoding/decoding
G.728 8-kHz sample rate low delay code excited linear
predictive coding (LD-CELP)
G.723 8-kHz sample rate MP-MLQ (6.3 Kbit/s) or ACELP
(5.3 Kbit/s) coding
EM1
0
EM0
P1
139
DM3
P0
DM2
L2
DM1
Mailbox Address 04
Mailbox Address 05
L1
Data Sheet 1998-07-01
Firmware Features
(LSB)
(LSB)
DM0
L0
PSB 7238
H
H