Popular Codecs Used a cikin VoIP Apps da na'urorin
Lokacin da kake yin kiran murya ta Intanit ta hanyar Voice over IP (VoIP) ko a kan wasu cibiyoyin sadarwa na zamani, dole ne a sanya murya zuwa cikin lambobin dijital, kuma a madadin. Haka kuma, ana amfani da bayanan don yadda watsa shi yafi sauri kuma sanin kwarewa yafi kyau. Wannan ƙuduri yana samuwa ta hanyar codecs (wanda ya takaice don mai sanya shi codeod).
Akwai ƙwayoyi masu yawa don audio, bidiyo, fax da rubutu.
Da ke ƙasa akwai jerin samfurin codec na kowa don VoIP. A matsayin mai amfani, ƙila za ka iya tunanin cewa ba ka da kadan ka yi da abin da waɗannan suke, amma yana da kyau a san abin da ya fi dacewa game da su, tun da yake za ka iya yin yanke shawara a rana ɗaya game da codecs game da VoIP a cikin kasuwancinka; ko a kalla zai iya fahimtar wasu kalmomi a cikin harshen Helenanci na VoIP.
Ɗaya daga cikin labarin da za a kira ku don yin la'akari da codecs shine lokacin da za ku duba wani software ko hardware kafin sayen ku. Alal misali, ƙila za ka iya yanke shawarar ko za a shigar da wannan kira na kira ko kuma wanda ya dogara da codec suna miƙawa don kiranka tare da kula da bukatunku. Har ila yau, wasu wayoyin suna da fayilolin codecs waɗanda za su iya so su yi la'akari kafin zuba jari.
Kayayyakin Lambobin VoIP na Common
| Codec | Bandwidth / kbps | Comments |
| G.711 | 64 | Yana bayar da kwakwalwar magana. Ƙananan abubuwan da ake bukata na processor. Bukatun akalla 128 kbps don hanyoyi guda biyu. Yana daya daga cikin tsoffin codecs a kusa da (1972) da kuma aiki mafi kyau a babban bandwidth, wanda ya sa shi a bit m ga Internet amma har yanzu mai kyau ga LANs. Yana bada MOS na 4.2 wanda yake da kyau, amma yanayi mafi kyau ya kamata a hadu. |
| G.722 | 48/56/64 | Ya dace don canzawa da matsalolin da aka yi amfani da bandwidth tare da karɓawar cibiyar sadarwa. Yana ɗaukar nau'in mita sau biyu a matsayin G711, wanda zai haifar da inganci da tsabta, kusa da ko ma fiye da PSTN. |
| G.723.1 | 5.3 / 6.3 | Babban damuwa tare da murya mai kyau. Zai iya yin amfani da bugun kiran sauri da kuma yanayin kewaye da bandwidth, tun da yake yana aiki tare da bit bit. Yana, duk da haka, yana buƙatar karin ƙarfin sarrafawa. |
| G.726 | 16/24/32/40 | Ƙari na G.721 da G.723 (daban-daban daga G.723.1) |
| G.729 | 8 | Kyakkyawan amfani da bandwidth. Kuskuren mai jurewa. Wannan shi ne ingantawa a kan wasu daga cikin sunayen suna, amma an yi lasisi, ma'ana ba kyauta ba ne. Masu amfani na ƙarshe sun ba da wannan lasisi a kaikaice lokacin da suka saya kayan aiki (ƙananan waya ko ƙyama) waɗanda suke aiwatar da shi. |
| GSM | 13 | Babban matsin lamba. Kyauta kuma samuwa a cikin matakan da yawa da software. Ana amfani da ƙododin Same guda a cikin wayar salula GSM (ana amfani dashi mafi mahimmanci a yau). Yana bada MOS na 3.7, wanda ba shi da kyau. |
| iLBC | 15 | Ya tsaya don Intanit Lowc Rate Codec. Google ya riga ya samu shi kuma yana da kyauta. Da karfi ga asarar fakiti, yawancin VoIP apps suna amfani dasu musamman wadanda suke da tushe. |
| Speex | 2.15 / 44 | Ya rage yawan amfani da bandwidth ta amfani da madaidaiciya bit bit. Yana daya daga cikin shafukan da aka fi so da aka fi amfani dashi a yawancin aikace-aikacen VoIP. |
| SILK | 6 zuwa 40 | SILK ya ci gaba da Skype kuma yanzu an lasisi lasisi, yana samuwa a matsayin kyauta mai sauƙi kyauta, wanda ya sanya wasu ayyuka da ayyuka da yawa don amfani dashi. Yana da tushe ga sabon codec mai suna Opus. WhatsApp shi ne misali na aikace-aikace ta amfani da Ƙarin lamba na Opus don kiran murya. |