This table lists the patents granted to date to the Licensors that are essential to the practice of the Adaptive Multi-Rate (AMR) codec.
Licensor |
Licensed Patents |
|
Country |
Patent Number |
TELEFONAKIEBOLAGET
ERICSSON AB
|
|
Adaptive Combining of
Multi-Mode Coding for Voiced Speech and Noise-Like Signals
|
| |
AR
AU
CN
DE
FI
FR
GB
IN
IT
JP
KR
MX
MY
RU
SG
TW
US
ZA |
027812B1
774998
ZL99812785-X
EP-1114414
EP-1114414
EP-1114414
EP-1114414
203036
EP-1114414
3483853
421648
232547
123316
22235555
79451
NI-134156
6192335
2001/1666 |
| |
|
|
| |
|
Speech Coding with Improved Background Noise Reproduction |
| |
CN
DE
FI
FR
GB
IT
KR
MY
US |
ZL99810944-4
69935233
1112568
1112568
EP-1112568
1112568
10-0688069
126550
6275798 |
| |
|
|
| |
|
Speech Coding Including Soft Adaptability Feature |
| |
CN
DE
DE
FR
FR
GB
GB
JP
US
US |
ZL99803640-4
EP-1058927
EP-1267329
EP-1058927
EP-1267329
EP-1058927
EP-1267329
3378238
6058359
6564183 |
| |
|
|
| |
|
Reducing Sparseness in Coded Speech Signals |
| |
AU
CA
CN
DE
EPC
FI
FR
HK
IT
KR
JP
MX
RU
SG
TW
UK
US
US |
753740
2301886
ZL98808782-0
1008141
EP1008141
113595
1008141
1051082
1008141
417351
3464450
221970
2239239
70917
116215
1008141
6029125
6301556 |
| |
|
|
|
|
Complex Signal Activity Detection for Improved Speech/Noise Classification
of an Audio Signal |
| |
AR
AU
CN
DE
FI
FR
GB
IN
IT
JP
KR
MX
MY
RU
SG
TW
US
ZA |
AR030386B1
76409
ZL99813625-5
1224659
1224659
1224659
1224659
203716
1224659
1025018
10-0667008
228519
124630
2251750
80240
NI-151661
6424938
2001/3150 |
| |
|
|
NOKIA CORPORATION
|
|
Pitch Lag Estimation in
Speech Coding |
| |
AU
CN
DE
ES
FI
FR
IN
IT
KR
NL
SE
UK
US |
739238
ZL98804901.5
69814517.8-08
877355
113903
877355
204479
877355
6539-32 & 26
877355
877355
877355
6199035 |
| |
|
|
|
|
Method and Device for Voice Activity Detection and a Communication Device |
| |
US |
5963901*
*Note: Kindly note that US 5,963,901 does not constitute a Licensed Patent. |
| |
|
|
VOICEAGE CORPORATION
|
|
Dynamic Codebook for Efficient Speech Coding Based on Algebraic Codes |
| |
AT
BE
CA
CH
DE
DK
EP
ES
FR
GB
GR
IT
LI
LU
NL
SE
US |
0516621
0516621
2010830
0516621
0516621
0516621
0516621
0516621
0516621
0516621
0516621
0516621
0516621
0516621
0516621
0516621
5444816
|
| |
|
|
| |
|
Method and Device for Eradicating Instability due to Periodic Signals in Analysis-by-Synthesis Speech Codecs |
| |
CA
US
US |
2,202,025
5,893,060
5,987,406 |
| |
|
|
| |
|
Predictive Split Matrix Quantization of Spectral Parameters for Efficient Coding of Speech
|
| |
AU
AT
BE
BR
CA
CH
CN
DE
DK
ES
FR
GB
IT
JP
NL
SE
US |
697256
819303/AT E 198805T1
819303
9604838-7
2216315
819303
ZL96193827.7
819303/DE69611607 T2
819303
819303
819303
819303
819303
3590071
819303
819303
5664053 |
| |
|
|
| |
|
Depth-First Algebraic-Codebook Search for Fast Coding of Speech |
| |
ZA
AR
AT
AU
BE
BR
CA
CH
CN
DE
DK
EP
ES
FI
FR
GB
HK
IE
IN
IT
JP
KR
MX
MY
NL
PT
RU
SE
US |
0335689/AR001189B1
813736
707307
813736
PI9607144-3
2213740
813736
ZL96193196.5
19609170
813736
813736
9650035
813736
813736
GB-2299001-B
HK1001846
813736
187842/96
1285305
3160852
299408
209494
MY-119252-A
813736
813736
2175454
520554
5701392
96/1913 |
| |
|
|
| |
|
Algebraic codebook with signal-selected pulse amplitude for fast coding of speech. |
| |
AR
AU
AT
BE
CA
CH
CN
DE
DK
EP
ES
FI
FR
GB
GR
HK
IE
IN
IT
JP
KR
LI
LU
MC
MX
MY
NL
NO
PT
RU
SE
US
ZA |
AR 000871 B1
708392
808496
808496
2210765
808496
ZL02107907.2
196 04 273
808496
808496
9650025
117994
2730336
2297671
808496
HK1002492
808496
187453
1305724
3430175
388751
808496
808496
808496
195924
MY-119038-A
808496
318595
808496
2142166
9600437.9
5754976
96/0852 |
| |
|
|
| Nippon Telegraph And Telephone Corporation |
|
Method of and Apparatus for Decoding Speech |
| |
JP |
3085347 |
| |
|
|
| |
|
Speech Coding and decoding Methods Using Adaptive and Random Code Books |
| |
US |
5396576 |
| |
|
|
