G.722
E94763
G.722 is a wideband audio codec standard that provides higher-quality voice transmission than traditional narrowband codecs, commonly used in VoIP and teleconferencing applications.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| ITU-T G.722 | 1 |
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
ITU-T recommendation
ⓘ
audio codec standard ⓘ wideband speech codec ⓘ |
| applicationDomain |
IP telephony
ⓘ
VoIP ⓘ teleconferencing ⓘ |
| audioBandwidth | 50–7000 Hz ⓘ |
| audioQuality | better intelligibility than 300–3400 Hz codecs ⓘ |
| audioType | wideband audio ⓘ |
| backwardCompatibility | not directly backward compatible with G.711 ⓘ |
| bitRate |
48 kbit/s
ⓘ
56 kbit/s ⓘ 64 kbit/s ⓘ |
| category | wideband speech coding standard ⓘ |
| comparedTo | G.711 ⓘ |
| compressionType | lossy compression ⓘ |
| isPartOf | ITU-T audio coding standards family ⓘ |
| lowerSubbandFrequencyRange | 0–4000 Hz ⓘ |
| mode1BitRate | 64 kbit/s ⓘ |
| mode2BitRate | 56 kbit/s ⓘ |
| mode3BitRate | 48 kbit/s ⓘ |
| provides | higher-quality voice than narrowband codecs ⓘ |
| recommendationSeries | G-series ⓘ |
| samplingRate | 16000 Hz ⓘ |
| standardizedBy |
ITU Telecommunication Standardization Sector
ⓘ
surface form:
ITU-T
|
| standardNumbering |
G.722
self-linksurface differs
ⓘ
surface form:
ITU-T G.722
|
| supports |
real-time voice communication
ⓘ
two-way interactive communication ⓘ |
| supportsMode |
Mode 1
ⓘ
Mode 2 ⓘ Mode 3 ⓘ |
| targetUse | voice ⓘ |
| transmissionType | packet-based networks ⓘ |
| upperSubbandFrequencyRange | 4000–8000 Hz ⓘ |
| usedIn |
conference bridges
ⓘ
enterprise telephony systems ⓘ softphones ⓘ |
| usesCodingAlgorithm | sub-band ADPCM ⓘ |
| usesSubbandCount | 2 ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
ITU-T G.722