G.726
E444560
G.726 is an ITU-T audio codec standard that specifies adaptive differential pulse-code modulation (ADPCM) for compressing voice signals at multiple bit rates, commonly used in telephony.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
ADPCM codec
ⓘ
ITU-T Recommendation ⓘ audio codec standard ⓘ |
| abbreviation | ADPCM ⓘ |
| applicationDomain | narrowband speech ⓘ |
| bandwidth | narrowband ⓘ |
| belongsToSeries | G-series recommendations NERFINISHED ⓘ |
| bitstreamType | sample-by-sample ADPCM ⓘ |
| category |
speech codec
ⓘ
telecommunication standard ⓘ |
| commonlyUsedIn |
VoIP
NERFINISHED
ⓘ
digital circuit multiplication equipment ⓘ enterprise telephony systems ⓘ telephony ⓘ |
| compressionType | waveform codec ⓘ |
| definesBitRate |
16 kbit/s
ⓘ
24 kbit/s ⓘ 32 kbit/s ⓘ 40 kbit/s ⓘ |
| designGoal |
bit-rate efficiency
ⓘ
toll-quality speech at 32 kbit/s ⓘ |
| focusesOn |
audio coding
ⓘ
voice compression ⓘ |
| inputSignalType | PCM voice ⓘ |
| intendedNetworkType |
digital telephone networks
ⓘ
packet-switched voice networks ⓘ |
| maintainedBy | ITU-T Study Group 16 NERFINISHED ⓘ |
| optimizedFor |
low-delay coding
ⓘ
real-time communication ⓘ |
| outputSignalType | compressed ADPCM ⓘ |
| relatedTo |
G.711
NERFINISHED
ⓘ
G.722 NERFINISHED ⓘ G.727 ⓘ |
| replaced |
G.721
ⓘ
G.723 NERFINISHED ⓘ |
| samplingRate | 8000 Hz ⓘ |
| standardizedBy | ITU-T NERFINISHED ⓘ |
| supportsDirection |
decoding
ⓘ
encoding ⓘ |
| supportsMode |
16 kbit/s ADPCM
ⓘ
24 kbit/s ADPCM ⓘ 32 kbit/s ADPCM ⓘ 40 kbit/s ADPCM ⓘ |
| supportsPayloadFormat | RTP payload for G.726 (via separate specifications) ⓘ |
| typicalSampleSize | 16-bit linear PCM equivalent ⓘ |
| usesCodingMethod | adaptive differential pulse-code modulation ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.