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AMR Codec in UMTS - Wiley Online Library
https://onlinelibrary.wiley.com/doi/pdf/10.1002/9780470612279.app1
AMR Codec in UMTS Originally developed to be used in GSM by the ETSI, the Adaptive Multi-Rate (AMR) speech codec [TS 26.071] was approved within the 3GPP forum in 1999 to be mandatory for circuit- and packet-switched speech in UMTS networks. An AMR speech codec adapts the error protection level to the local radio channel and traffic
TS 126 401 - V6.2.0 - ETSI
https://www.etsi.org/deliver/etsi_ts/126400_126499/126401/06.02.00_60/ts_126401v060200p.pdf
TS 126 401 - V6.2.0 - Universal Mobile Telecommunications System (UMTS); General audio codec audio processing functions; Enhanced aacPlus general audio codec; General description (3GPP TS 26.401 version 6.2.0 Release 6) TS 126 401 - V6.2.0 UMTS
AMR, Adaptive Multi-Rate Speech Codec - Library of …
https://www.loc.gov/preservation/digital/formats/fdd/fdd000254.shtml
Description. Audio data compression scheme optimized for speech coding, adopted in October 1998 as the standard speech codec by 3GPP (3d Generation Partnership Project) and now widely used in GSM (Global System for Mobile Communications). In its evolved form, GSM is also known as UMTS (Universal Mobile Telecommunications System).
(PDF) AMR Codec in UMTS | Fabio Suguiura - Academia.edu
https://www.academia.edu/5804414/AMR_Codec_in_UMTS
UMTS Javier Sanchez & Mamadou Tnioune Copyright 02007, ISTE Ltd. Appendix 1 AMR Codec in UMTS Originally developed to be used in GSM by the ETSI, the Adaptive Multi-Rate (AMR) speech codec [TS 26.071] was approved within the 3GPP forum in 1999 to be mandatory for circuit- and packet-switched speech in UMTS networks. An AMR speech codec adapts the error protection …
AMR-WB, Adaptive Multi-Rate - Wideband Speech Codec
https://www.loc.gov/preservation/digital/formats/fdd/fdd000255.shtml
Full name. AMR-WB, Adaptive Multi-Rate - Wideband Speech Codec (G.722.2) Description. Audio data compression scheme optimized for speech coding in GSM (Global System for Mobile Communications) and UMTS (Universal Mobile Telecommunications System), an elaboration of AMR, and featuring Algebraic Code Excited Linear Prediction (ACELP) …
UMTS Media Formats - UMTS World
https://www.umtsworld.com/technology/mediaformats.htm
UMTS file, video and media formats. The UMTS World is an 3G mobile system news and information provider. Comprehesive coverage of UMTS / 3G news, licensing, business developments, 3G WCDMA telecommunication technology, multi media mobile phones and future communications.
TS 126 401 - V14.0.0 - Digital cellular …
https://www.etsi.org/deliver/etsi_ts/126400_126499/126401/14.00.00_60/ts_126401v140000p.pdf
Universal Mobile Telecommunications System (UMTS); LTE; General audio codec audio processing functions; Enhanced aacPlus general audio codec; General description (3GPP TS 26.401 version 14.0.0 Release 14) TECHNICAL SPECIFICATION
WCDMA<E Audio Design Note - Quectel Forums
https://forums.quectel.com/uploads/short-url/sqv8AODrBQYy7Z4JUMYJjVcCm27.pdf
UMTS/HSPA/LTE Module Series WCDMA<E Audio Design Note WCDMA<E_Audio_Design_Note Confidential / Released 12 / 73 3 Audio Circuit Design Audio codecs NAU8814, ALC5616, MAX9860 and TLV320AIC3104 have been approved for PCM application. The following sub-chapters will show some audio circuit designs with these …
Choosing the Right Audio Codecs for VoIP over cdma2000 ...
http://www.cdg.org/news/events/cdmaseminar/050208_voip_summit/6-Sassan%20Ahmadi-Nokia.pdf
VMR-WB is the only 3GPP2 standard codec with both wideband and narro wband processing capabilities VMR-WB is the only 3GPP2 standard codec that is interoperable with UMTS/AMR-WB codec at 12.65, 8.85, and 6.6 kbps
Google Pixel 5a - Specifications
https://www.devicespecifications.com/en/model/75475714
AAC (Advanced Audio Coding) AAC+ / aacPlus / HE-AAC v1 AMR / AMR-NB / GSM-AMR (Adaptive Multi-Rate, .amr, .3ga) AMR-WB (Adaptive Multi-Rate Wideband, .awb) aptX / apt-X aptX HD / apt-X HD / aptX Lossless eAAC+ / aacPlus v2 / HE-AAC v2 FLAC (Free Lossless Audio Codec, .flac) M4A (MPEG-4 Audio, .m4a) MIDI MP3 (MPEG-2 Audio Layer II, .mp3) OGG (.ogg, .ogv, .oga, .ogx, …
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