WhatsApp: Perbedaan antara revisi

Pada Februari 2015, WhatsApp memperkenalkan fitur [[Panggilan telepon|panggilan suara]]; fitur ini menolong WhatsApp untuk menarik pengguna dari segmen lain yang berbeda.<ref>{{cite web|last=Chowdhry|first=Amit|title=WhatsApp For iOS Will Receive Voice Calling Feature In A Few Weeks|url=https://www.forbes.com/sites/amitchowdhry/2015/03/26/whatsapp-calling-ios/#2e779d5321fe|website=Forbes|access-date=30 April 2021|date=26 Maret 2015|archive-url=https://web.archive.org/web/20171009145427/https://www.forbes.com/sites/amitchowdhry/2015/03/26/whatsapp-calling-ios/#2e779d5321fe|archive-date=9 Oktober 2017|url-status=live}}</ref><ref>{{cite web|last=Perez|first=Sarah|title=WhatsApp Voice-Calling Feature Spotted In The Wild|url=https://techcrunch.com/2015/02/02/whatsapp-voice-calling-feature-spotted-in-the-wild/|website=TechCrunch|access-date=30 April 2021|date=2 Februari 2015|archive-url=https://web.archive.org/web/20171019041954/https://techcrunch.com/2015/02/02/whatsapp-voice-calling-feature-spotted-in-the-wild/|archive-date=19 Oktober 2017|url-status=live}}</ref> [[Pengkodean ucapan|Pengkodean suara]] WhatsApp adalah [[Opus (format audio)|Opus]],<ref name="Register">{{cite news |last1=Leyden |first1=John |title=WhatsApp laid bare: Info-sucking app's innards probed |url=https://www.theregister.co.uk/2015/10/27/whatsapp_forensic_analysis/ |access-date=27 Oktober 2023 |work=[[The Register]] |date=27 Oktober 2015 |archive-url=https://web.archive.org/web/20191019111806/https://www.theregister.co.uk/2015/10/27/whatsapp_forensic_analysis/ |archive-date=19 Oktober 2019 |url-status=live}}</ref><ref name="Hazra">{{cite book |last1=Hazra |first1=Sudip |last2=Mateti |first2=Prabhaker |chapter=Challenges in Android Forensics |editor-last1=Thampi |editor-first1=Sabu M. |editor-last2=Pérez |editor-first2=Gregorio Martínez |editor-last3=Westphall |editor-first3=Carlos Becker |editor-last4=Hu |editor-first4=Jiankun |editor-last5=Fan |editor-first5=Chun I. |editor-last6=Mármol |editor-first6=Félix Gómez |title=Security in Computing and Communications: 5th International Symposium, SSCC 2017 |date=13–16 September 2017 |publisher=Springer |isbn=9789811068980 |pages=286–299 (290) |doi=10.1007/978-981-10-6898-0_24 |chapter-url=https://books.google.com/books?id=1u09DwAAQBAJ&pg=PA290| issn=1865-0929 }}</ref><ref name="Srivastava">{{cite book |last1=Srivastava |first1=Saurabh Ranjan |last2=Dube |first2=Sachin |last3=Shrivastaya |first3=Gulshan |last4=Sharma |first4=Kavita |chapter=Smartphone Triggered Security Challenges: Issues, Case Studies and Prevention |journal=Cyber Security in Parallel and Distributed Computing |editor-last1=Le |editor-first1=Dac-Nhuong |editor-last2=Kumar |editor-first2=Raghvendra |editor-last3=Mishra |editor-first3=Brojo Kishore |editor-last4=Chatterjee |editor-first4=Jyotir Moy |editor-last5=Khari |editor-first5=Manju |title=Cyber Security in Parallel and Distributed Computing: Concepts, Techniques, Applications and Case Studies |date=2019 |publisher=John Wiley & Sons |isbn=9781119488057 |pages=187–206 (200) |doi=10.1002/9781119488330.ch12 |s2cid=214034702 |chapter-url=https://books.google.com/books?id=FzGtDwAAQBAJ&pg=PA200}}</ref> yang menggunakan algoritme [[Kompresi data#Audio|kompresi audio]] modifikasi [[modified discret cosine transform]] (MDCT) dan [[linear predictive coding]] (LPC).<ref>{{cite conference |last1=Valin |first1=Jean-Marc |last2=Maxwell |first2=Gregory |last3=Terriberry |first3=Timothy B. |last4=Vos |first4=Koen |title=High-Quality, Low-Delay Music Coding in the Opus Codec |conference=135th AES Convention |publisher=[[Audio Engineering Society]] |date=Oktober 2013 |arxiv=1602.04845}}</ref> WhatsApp menggunakan Opus pada [[Pengambilan sampel (pemrosesan sinyal)|tingkat sampel]] 8–16 [[Hertz|kHz]].<ref name="Register" /><ref name="Srivastava" /> Pada 14 November 2016, WhatsApp menambahkan fitur [[Videotelefoni|panggilan video]] bagi pengguna di semua perangkat Android, iPhone, dan Windows Phone.<ref>{{cite web|title=Whatsapp Video Calling|url=https://blog.whatsapp.com/10000629/WhatsApp-Video-Calling?l=en|type=blog|date=14 November 2016|access-date=27 Oktober 2023|archive-url=https://web.archive.org/web/20161118172200/https://blog.whatsapp.com/10000629/WhatsApp-Video-Calling?l=en|archive-date=18 November 2016|url-status=live}}</ref><ref>{{Cite news|title=Whatsapp Video Calling|journal=The Economic Times|url=http://economictimes.indiatimes.com/magazines/panache/whatsapp-rolls-out-video-calling-from-its-biggest-market-india/articleshow/55431148.cms|type=News|date=15 November 2016|access-date=27 Oktober 2023|last=Alawadhi|first=Neha|archive-url=https://web.archive.org/web/20161119000540/http://economictimes.indiatimes.com/magazines/panache/whatsapp-rolls-out-video-calling-from-its-biggest-market-india/articleshow/55431148.cms|archive-date=19 November 2016|url-status=live}}</ref>