Enhanced full rate (redirect from GSM-EFR)
Enhanced Full Rate or EFR or GSM-EFR or GSM 06.60 is a speech coding standard that was developed in order to improve the quality of GSM. Enhanced Full Rate...
5 KB (527 words) - 21:58, 25 April 2024
called a codec. The speech codecs used in GSM are called Half-Rate (HR), Full-Rate (FR), Enhanced Full-Rate (EFR), Adaptive Multirate (AMR) and Wideband...
20 KB (2,863 words) - 13:09, 22 July 2024
better protect these parts of the signal. GSM was further enhanced in 1997 with the enhanced full rate (EFR) codec, a 12.2 kbit/s codec that uses a full-rate...
40 KB (4,574 words) - 12:53, 14 September 2024
RFC 4749 dynamic GSM-EFR audio 1 8000 20 20 ITU-T GSM-EFR (GSM 06.60) RFC 3551 dynamic GSM-HR-08 audio 1 8000 20 ITU-T GSM-HR (GSM 06.20) RFC 5993 dynamic...
16 KB (718 words) - 19:09, 17 September 2024
Full Rate (redirect from GSM Full Rate)
Enhanced Full Rate (EFR) and Adaptive Multi-Rate (AMR) standards, which provide much higher speech quality with lower bit rate. GSM-FR is specified in...
5 KB (697 words) - 21:52, 25 April 2024
Personal Digital Cellular (redirect from PDC-EFR)
wireless data (up to 28.8 kbit/s PDC-P). Voice codecs are PDC-EFR and PDC-HR. Compared to GSM, PDC's weak broadcast strength allows small, portable phones...
4 KB (537 words) - 22:55, 25 April 2024
with DTX on Yes No GSM-HR VSELP 8 kHz 5.6 kbit/s 25 ms Yes No No No GSM-FR RPE-LTP 8 kHz 13 kbit/s 20–30 ms Yes No No No GSM-EFR ACELP 8 kHz 12.2 kbit/s...
69 KB (1,415 words) - 08:09, 14 September 2024
telecommunications. Its best known work is the development and maintenance of: GSM and related 2G and 2.5G standards, including GPRS and EDGE UMTS and related...
25 KB (1,383 words) - 14:44, 8 September 2024
GSM G2 network was made by Harri Holkeri, the Prime Minister of Finland. He used a prototype Nokia GSM phone to make the call. In 1992, the first GSM...
81 KB (7,301 words) - 04:12, 15 August 2024
GSM lower level protocols are replaced by DECT-friendly equivalents. Voice channels make use of 32 kbit/s ADPCM channels rather than 13 kbit/s FR/EFR/AMR...
4 KB (527 words) - 09:00, 23 May 2024
Tandem Free Operation (category GSM standard)
equipments, that does the transcoding operation, either from a GSM/UMTS speech codec (e.g.: GSM-EFR, GSM-AMR) to G.711/PCM or opposite. Passive equipments (or...
4 KB (664 words) - 16:01, 23 April 2024
compression of speech data from 64 kbit/s to 13/12.2/6.5 kbit/s in case FR/EFR/HR (respectively) speech coding. Rate adaptation without transcoding allows...
3 KB (381 words) - 02:37, 26 April 2024
Adaptive Multi-Rate audio codec (redirect from GSM-AMR)
The Adaptive Multi-Rate (AMR, AMR-NB or GSM-AMR) audio codec is an audio compression format optimized for speech coding. AMR is a multi-rate narrowband...
14 KB (1,523 words) - 20:00, 13 February 2023
number of contacts: 1000 Noise cancellation: Yes Speech codecs: GSM FR, GSM HR, AMR-NB, GSM EFR Camera Main camera sensor: 2 MP Camera resolution: 1600 x 1200...
7 KB (166 words) - 09:52, 11 May 2024
Multi-Rate – Wideband (AMR-WB+) Half Rate Full Rate Enhanced Full Rate (EFR) G.722 G.722.1 3GP Comparison of audio coding formats RTP audio video profile...
18 KB (2,029 words) - 21:40, 25 April 2024
(PSI-CELP 3.45 kbit/s) PDC-FR (VSELP 11.2 kbit/s) PDC-EFR CS-ACELP 8 kbit/s (a.k.a. G.729) PDC-EFR ACELP 6.7 kbit/s (compatible with AMR mode AMR_6.70)...
48 KB (5,061 words) - 14:17, 8 September 2024
markets. GSM Arena "Nokia 6250 - Full phone specifications". www.gsmarena.com. Retrieved 2023-08-21. "Nokia 6250 Mobile full Specifications". MobGsm. Retrieved...
3 KB (106 words) - 16:07, 15 April 2024
military applications SMV for CDMA networks Full Rate, Half Rate, EFR and AMR for GSM networks G.723.1, G.728, G.729, G.729.1 and iLBC for VoIP or videoconferencing...
16 KB (1,760 words) - 06:51, 10 September 2024
Ellingsenite Elg Epistolite Epi Erythrite Ery Euxenite-(Y) Eux-Y Efremovite Efr Ellisite Els Epsomite Esm Erythrosiderite Esd Evansite Evn Eggletonite Egg...
180 KB (418 words) - 05:15, 30 June 2024