VoiceAge’s patent portfolio by standards:

  WIRELINE STANDARDS - ITU WIRELESS STANDARDS - 3GPP MPEG EXPIRATION YEAR OF PATENT FAMILIES
PATENT FAMILIES ITU-G729.1 ITU-G711.1 ITU-G.718 ITU-G722.2 3GPP-AMR-WB+ 3GPP-AMR-WB MPEG-Extended HE-AAC 
VAC 300     X X X X X 2019
VAC 400       X X X X 2019
VAC 500 X   X X X X X 2019
VAC 600     X X   X   2019
VAC 700     X X X X X 2022(US)/2020
VAC 800       X X X X 2024(US)/2021
VAC 1000 X   X         2026(US)/2023
VAC 1100     X   X   X 2025(US)/2023
VAC 1200     X   X   X 2023
VAC 1700         X   X 2024
VAC 1701         X   X 2024
VAC 2200 X   X         2025
VAC 2400     X         2026
VAC 2500     X         2027
VAC 2600 A   X           2027
VAC 2600 B   X           2029
VAC 2700     X         2027
VAC 2800     X         2027
VAC 2900     X         2028
VAC 3000             X 2028
VAC 3001             X 2029
VAC 3002             X 2029
VAC 3100             X 2030
VAC 3101             X 2031
VAC 3200             X 2030
VACF 100             X 2028
VACF 300             X 2028
VACF 400             X 2028
VACF 401             X 2028
VACF 500             X 2028
VACF 501             X 2028
VACFD 600             X 2029
VACF 700             X 2030

 

 
ACELPG2 Patent Families

REFERENCE NUMBER US, EU OR JP PATENT OR PATENT APPLICATION(PA) NUMBER TITLE
VAC 300 US: 6,807,524 PERCEPTUAL WEIGHTING DEVICE AND METHOD FOR EFFICIENT CODING OF WIDEBAND SIGNALS
VAC 400 US: 7,260,521 A METHOD AND DEVICE FOR ADAPTIVE BANDWIDTH PITCH SEARCH IN CODING WIDEBAND SIGNALS
VAC 500 US: 6,795,805 PERIODICITY ENHANCEMENT IN DECODING WIDEBAND SIGNALS
VAC 600 US: 7,151,802 HIGH FREQUENCY CONTENT RECOVERING METHOD AND DEVICE FOR OVERSAMPLED SYNTHESIZED WIDEBAND SIGNAL
VAC 700 US: 7,191,123  GAIN-SMOOTHING AMPLIFIER DEVICE AND METHOD IN CODECS FOR WIDEBAND SPEECH AND AUDIO SIGNALS
VAC 800 EU: 1354315 A METHOD FOR INDEXING PULSE POSITIONS AND SIGNS IN ALGEBRAIC CODEBOOKS FOR EFFICIENT CODING OF WIDEBAND SIGNALS
VAC1000 US: 7,693,710 A METHOD AND DEVICE FOR EFFICIENT FRAME ERASURE CONCEALMENT IN LINEAR PREDICTIVE BASED SPEECH CODECS
VAC 1100 US: 7,529,660 A METHOD AND DEVICE FOR FREQUENCY-SELECTIVE PITCH ENHANCEMENT OF  SYNTHESIZED SPEECH
VAC 1200 US: 7,106,228 A METHOD AND DEVICE FOR MULTI-RATE LATTICE VECTOR QUANTIZATION OF A SIGNAL
VAC 1700 US: 7,979,271 METHODS AND DEVICES FOR AUDIO COMPRESSION BASED ON ACELP/TCX (Claims 67-92)
VAC 1701 US: 7,933,769 METHODS AND DEVICES FOR LOW-FREQUENCY EMPHASIS DURING AUDIO COMPRESSION BASED ON ACELP/TCX (Claims 01-35)
VAC 2200 US: 8,255,207 METHOD AND DEVICE FOR EFFICIENT FRAME ERASURE CONCEALMENT IN SPEECH CODECS
VAC 2400 US: 8,401,843 METHOD AND DEVICE FOR CODING TRANSITION FRAMES IN SPEECH SIGNALS
VAC 2500 US: 12/676,004(PA) METHOD AND DEVICE FOR FAST ALGEBRAIC CODEBOOK SEARCH IN SPEECH AND AUDIO CODING
VAC 2600A JP: 5161212 DEVICE AND METHOD FOR NOISE SHAPING IN A MULTILAYER EMBEDDED CODEC INTEROPERABLE WITH THE ITU-T G.711 STANDARD
VAC 2600B JP: 2010-511454(PA) DEVICE AND METHOD FOR FRAME ERASURE CONCEALMENT IN A PCM CODEC INTEROPERABLE WITH THE ITU-T RECOMMENDATION G.711 
VAC 2700 US: 12/664,934(PA) METHOD AND DEVICE FOR SOUND ACTIVITY DETECTION AND SOUND SIGNAL CLASSIFICATION
VAC 2800 US: 8,396,707 METHOD AND DEVICE FOR EFFICIENT QUANTIZATION OF TRANSFORM INFORMATION IN AN EMBEDDED SPEECH AND AUDIO CODEC
VAC 2900 US: 8,401,845 SYSTEM AND METHOD FOR ENHANCING A DECODED TONAL SOUND SIGNAL
VAC 3000 US: 12/501,197(PA) METHOD AND DEVICE FOR VARIABLE BIT RATE LPC QUANTIZER
VAC 3001 US: 8,332,213 MULTI-REFERENCE LPC FILTER QUANTIZATION AND INVERSE QUANTIZATION DEVICE AND METHOD
VAC 3002 US: 12/501,201(PA) VARIABLE BIT RATE LPC FILTER QUANTIZING AND INVERSE QUANTIZING DEVICE AND METHOD
VAC 3100 US: 12/821,936(PA) FORWARD TIME-DOMAIN ALIASING CANCELLATION WITH APPLICATION IN WEIGHTED OF ORIGINAL SIGNAL DOMAIN (1)
VAC 3101 US: 13/006,168(PA) FORWARD TIME-DOMAIN ALIASING CANCELLATION WITH APPLICATION IN WEIGHTED OF ORIGINAL SIGNAL DOMAIN (2)
VAC 3200 US: 12/905,750(PA) SIMULTANEOUS TIME-DOMAIN AND FREQUENCY-DOMAIN NOISE SHAPING FOR TDAC TRANSFORMS
VACF 100 US: 13/004,385(PA) LOW BITRATE AUDIO ENCODING/DECODING SCHEME HAVING CASCADED SWITCHES
VACF 300 US: 13/007,412(PA) AUDIO ENCODING/DECODING SCHEME HAVING A SWITCHABLE BYPASS
VACF 400 US: 13/004,475(PA) AUDIO ENCODER AND DECODER FOR ENCODING AND DECODING FRAMES OF A SAMPLED AUDIO SIGNAL
VACF 401 US: 13/004,335(PA) AUDIO ENCODER AND DECODER FOR ENCODING FRAMES OF A SAMPLED AUDIO SIGNAL
VACF 500 US: 13/004,400(PA) AUDIO ENCODER AND DECODER FOR ENCODING AND DECODING AUDIO SAMPLES
VACF 501 US: 8,447,620 MULTI-RESOLUTION SWITCHED AUDIO ENCODING/DECODING SCHEME
VACFD 600 US: 61/253,468(PA) PROPOSAL FOR UNIFICATION OF USAC WINDOWING AND FRAME TRANSITIONS
VACF 700 US: 61/390,267(PA) A HIGHER TEMPORAL GRANULARITY FOR A COMBINED UNIFIED SPEECH AND AUDIO CODEC (USAC)
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