Codecs yakakurumbira inoshandiswa muVoIP Apps uye Devices
Paunenge uchiita kuti inzwi ridanidzire paIndaneti kuburikidza nezwi pamusoro pe IP (VoIP) kana kune mamwe manzwi e digital, inzwi rinofanira kunyorwa mumadhipatimendi e digital, uye pamwe chete. Muchiitiko chimwe chete, deta inomiridzirwa zvakadai kuti kutumirwa kwayo kukurumidze uye chiitiko chekudana chiri nani. Iyi kukodha inogadziriswa ne codecs (iyo iri pfupi nokuda kwekodhivhareji yekodhi).
Kune zvakawanda zve codecs for audio, video, fax and text.
Pasi apa pane mazita emakodecs anozivikanwa zvikuru eVoIP. Sekushandisa, iwe unogona kufunga kuti hauna zvishoma nezvekuita izvozvi, asi zvakanaka nguva dzose kuziva zvishoma pamusoro pavo, sezvo iwe ungatofanira kuita zvisarudzo rimwe zuva rinotaura nezve codecs pamusoro peVoIP mubhizinesi rako; kana zvichida rimwe zuva rimwe nerimwe rinonzwisisa mamwe mazwi ari muchiGiriki VoIP vanhu vanotaura.
Chimwe chiitiko chaunogona kutumidzwa kuti uchinje codecs ndechokuti unofanira kutarisa chidhi che software kana hardware usati watenga. Semuenzaniso, unogona kusarudza pamusoro pekuisa iyi iyi yekushevedza chirongwa kana kuti imwe yakabva pamakodecs ari kupa mafoni ako maererano nezvinodiwa. Uyewo, mamwe mafoni ane codecs akabatanidzwa iwe waungada kufungisisa usati watanga.
Common VoIP Codecs
| Codec | Bandwidth / kbps | Comments |
| G.711 | 64 | Anonunura kunyatsotaura mutauro. Inonyorera zvakanyanya purogiramu zvinoda. Inoda zvinenge 128 kbps nenzira mbiri. Iyo ndeye yekare codecs yakapoteredza (1972) uye inoshanda zvakanakisisa munzvimbo yakakwirira yegwidhi, iyo inoita kuti zvive zvisingashandisi zveIndaneti asi zvichiri zvakanaka kune LANs. Inopa MOS ye 4.2 iyo yakakwirira zvikuru, asi mamiriro ezvinhu akakodzera anofanira kusangana. |
| G.722 | 48/56/64 | Kugadziridza kune zvakasiyana-siyana zvinokonzerwa uye bandwidth inochengetedzwa nehutano kuyanana. Inotora nzvimbo dzakasiyana-siyana kaviri zvakakura seG.711, zvichiita kuti huve nani uye huve pachena, pedyo kana kuti kunyange nani kupfuura PSTN. |
| G.723.1 | 5.3 / 6.3 | Kunyanya kudzvinyirira nepamusoro-soro audio. Inogona kushandiswa nekutsvaga-uye uye nepasi yepasi-siyana, sezvo inoshanda nekanyanya kuderera. Izvo, zvakadaro, zvinoda mamwe maitiro epurogiramu. |
| G.726 | 16/24/32/40 | Kuvandudzwa kweG.721 neG.723 (yakasiyana neG.723.1) |
| G.729 | 8 | Excellent bandwidth utilization. Kukanganisa kushivirira. Ichi ndichokuvandudza pane vamwe vane zita rakadaro, asi rakabvumirwa, risingarevi rusununguko. Kugumisa vashandisi vasingabhadhari kubhadhara iyi reisensi pavanotenga hardware (foni inoshandisa kana masuo) anoitisa. |
| GSM | 13 | High compression ratio. Huru uye inowanikwa mune zvakawanda hardware uye software mapuratifomu. Izvo Sokodhi inoshandiswa muGMM cellphone (dzakashandurwa shanduro dzinowanzoshandiswa mazuva ano). Inopa MOS ye 3.7, iyo isiri yakaipa. |
| iLBC | 15 | Inotanga kuIndaneti Low Bit Rate Codec. iko zvino yakawanikwa neGoogle uye yakasununguka. Yakakosha ku kurasikirwa kwepakiti, iyo inoshandiswa nevakawanda VoIP apps zvikuru avo vane chinyorwa. |
| Speex | 2.15 / 44 | Inoderedza kushandiswa kwebhanwidth kuburikidza nekushandura zvakasiyana-siyana. Icho chiri chimwe chezvinyorwa zvakasarudzwa zvikuru zvinoshandiswa mune zvakawanda App VoIP. |
| SILK | 6 kusvika ku40 | SILK yakave yakagadzirwa ne Skype uye ikozvino yakabvumirwa kunze, iripo yakawanikwa se-freeware-source freeware, iyo yakaita mamwe mabasa akawanda nemashandi kuti vashandise. Ndiyo nheyo yekododhi itsva inonzi Opus. WhatsApp muenzaniso wekushandisa uchishandisa Opus codec yefoni. |