ãã¬ãã·ãªãŒãºãã·ãªã³ã³ãã¬ãŒãã¯ããã°ã©ããŒã®ãªãã£ãŒãã«ã€ããŠã®ç©èªã§ããããšãå€ãã®äººãèŠããŠããŸã
å¶ç¶é©æ°çãªããŒã¿å§çž®ã¢ã«ãŽãªãºã ãæãã€ãã決æãããã³ããªãã¯ã¹
ã¹ã¿ãŒãã¢ãããæ§ç¯ããŸãã
ã·ãªãŒãºã®ã³ã³ãµã«ã¿ã³ãã¯ãè©äŸ¡ããããã®ææšãææ¡ããŸãã
åæ§ã®ã¢ã«ãŽãªãºã ã«æ¶ç©ºã®ã¯ã€ãºãã³ ã¹ã³ã¢ããããŸãã
ããã«ã¹ããŒãªãŒãé²ããšããã®ã¹ã¿ãŒãã¢ããã¯ãã®ãœãªã¥ãŒã·ã§ã³ã䜿çšããŠãããªãã£ãããäœæããŸããã
å°æ¬ãããã³ãã¥ããã£ãããŸã£ããçããå¥ã®è°è«ã«æåŸ
ãããŸã
é³å£°é話ãšãããªé話ã®ããŒã¿å§çž®ã®åçãæ°ããªæ¹æ³ã§è§£æ±ºãã
æå€ãªäžé¢ã
ãã®ãœãªã¥ãŒã·ã§ã³ã®ãã£ã¹ã«ãã·ã§ã³ã«åå ãããå ŽåããŸãããã®ãœãªã¥ãŒã·ã§ã³ã®å
±éç¹ãç¥ãããå Žå
ãžã§ããµã³ã»ã¹ãŠã£ãããšã¬ãã»ãã«ã¹ãã€ã®äœåã®ã³ã³ã»ããã«ã€ããŠã¯ãç«ã®äžã«çœ®ããŠãã ããã
ããã€ãã®èª¬
ææ°ã®é³å£°éä¿¡ãã©ã®ããã«æ©èœããããäžè¬çãªèšèã§èª¬æããŸããã - åçã¯äž¡æ¹ãšãåãã§ã
ã€ã³ã¹ã¿ã³ã ã¡ãã»ã³ãžã£ãŒã VOIP ãããã¯ãŒã¯ã ãã§ãªããGSM ãããã¯ãŒã¯çµç±ã®é話ãå¯èœã§ãã
é³ã®æ¯åã¯ã¹ããŒããã©ã³ã®ãã€ã¯ã«éãããã¢ããã°ããžã¿ã«ã§å€æãããŸãã
ã³ã³ããŒã¿ (ADC ãŸã㯠ADC):
次ã«ãããŸããŸãªã³ãŒãã㯠(G711ãG729ãOPUSãGSM ãªã©) ã䜿çšããŠãšã³ã³ãŒããè¡ãããŸãã
æå·åãè¿œå ãŸãã¯è¿œå ããã (SRTPãZPTP ãªã©)ãç°å¢ã«éä¿¡ãããŸãã
ããŒã¿éä¿¡ã
ããšãã°ãã»ãŒãã¹ãŠã®ã€ã³ã¹ã¿ã³ã ã¡ãã»ã³ãžã£ãŒ (WhatsAppãViber ãªã©) ã¯åãã³ãŒãã㯠(æè¿ã§ã¯éåžž Opus ã§ã) ã䜿çšããŠãããããããªããã»ãŒåãã§ãã
å€æŽããããããã³ã« (SIPãWebRTC ã«åºã¥ã)ã
ããŒã¿äŒéãããã¯ãŒã¯ã¯ãå
¬è¡ã€ã³ã¿ãŒããããŸã㯠GSM ãããã¯ãŒã¯ã®ããããã§ãã
ã€ã³ãã©ããã:
æå·åã¯ããã®ã¹ããŒã ã§ã¯ãªãã·ã§ã³ã®èŠçŽ ã§ããããšãã°ãã»ãšãã©ã®å Žåã
SIP ãã¬ãã©ããŒæå·åã¯äœ¿çšãããŸããã
ããããã¡ãã»ã³ãžã£ãŒã§ã¯ãéã«ãéåžžãç¬èªã®ç¬èªã®ã¡ãã»ãŒãžã䜿çšããŸãã
é³å£°ãšãããªã®æå·åã®ããã®ãããã³ã«ã
次ã«ãéã®ããã»ã¹ãçºçããŸããããŒã¿ãåä¿¡ããåä¿¡è ã¯ãåä¿¡ããæ å ±ããã³ãŒãããä¿¡å·ã¯ DAC (ããžã¿ã« - ã¢ããã° ã³ã³ããŒã¿ãŒ) ã«éãããã¹ããŒã«ãŒã«æ¥ç¶ããããªãŒãã£ãª ã¢ã³ãã«å ¥åãããŸãã
ææ°ã®ã³ãŒããã¯ã®ç¹åŸŽ:
G.711 64 Kbpsã
G.726 16ã24ã32ããŸã㯠40 Kbpsã
G.729A 8 Kb/ç§ã
GSM 13 Kb/ç§ã
iLBC 13.3 Kb/ç§ã (30ms ãã¬ãŒã ); 15.2Kb/ç§ã (20msãã¬ãŒã )
Speex ç¯å²ã¯ 2.15 ïœ 22.4 Kb/ç§ã
G.722 64 Kbpsã
ãããã£ãŠãããšãã°ãWhatsApp ãŸã㯠Skype ã§ã® 7 åéã®äŒè©±äžã«ã
çŽ1MBã䜿çšããŸããã
ãããã®æ°åãèŠããŠãããŸããã - 1 åéã®äŒè©±ã§ 7MBãããã«å¿ èŠã«ãªããŸãã
ãã¬ãã»ãã«ã¹ãã€ã¯é©åœã®é¡ã®ãããªãã®ã§ã...ã
ãã®å倧ãªãã·ã¢ã®äœå®¶ã®æãæåãªå°èª¬ãæãåºããŠã¿ãŸãããã
ãæŠäºãšå¹³åãã¯ããã·ã¢äººãæããã¬ãªã»ãã³ã©ãšãŽã£ãã»ãã«ã¹ãã€ã®å£®å€§ãªå°èª¬ã§ãã
1805幎ãã1812幎ã®ããã¬ãªã³ãšã®æŠäºäžã®ç€ŸäŒã å°èª¬ã®ãšãããŒã°ãããããã®ã¯ã
1820幎ãŸã§ã®ç©èªã
L.N.ã®å°èª¬ãæŠäºãšå¹³åã ãã«ã¹ãã€ã¯ XNUMX 幎éã«åã¶éäžçãã€ç²ã匷ãäœæ¥ãè²»ãããäžçæ倧çŽã®äœåãã©ã®ããã«ããŠäœæããããã蚌æããåçš¿ãæ®ãããŠããŸãã
ãæŠäºãšå¹³åã: ãã®äœå®¶ã®ã¢ãŒã«ã€ãã«ã¯ã5200 æ以äžã®ç²Ÿç·»ã«æžãããã·ãŒããå«ãŸããŠããŸãã
ãã®å°èª¬ãä»ããèªã¿ããå Žåã¯ãç°¡åã«ããŠã³ããŒãã§ããŸãã
ãããŠããã®ãã¡ã€ã«ã®éãã¯ããã... 1 MB:
fb2 ããã³ epub 圢åŒã¯ãååãšããŠãzipãrar ãšåæ§ã«ã
ã³ãŒããã¯
èããŠã¿ãŸããã - WhatsApp ã§ã® 7 åéã®äŒè©±ã¯ããã©ãã£ãã¯éãšããç¹ã§ã¯åçã§ã
7幎ãããŠæžããçŽ æŽãããäœåã§ãïŒ
7 åéã®äŒè©±ã¯ opus ã³ãŒããã¯ã§ãšã³ã³ãŒããããå°èª¬ã¯ ePub ã§ãšã³ã³ãŒããããããªã¥ãŒã ã¯åãã§ã -
1MB ã§ããã倧ããªéãã§ãã
ã¬ãªããŒæ è¡èš
誰ããåäŸã®é ãããžã§ããµã³ã»ã¹ãŠã£ããã®ãã®äœåãç¥ã£ãŠããŸãããå®éããã®æ¬ã¯
åäŸéã
ãã¬ãªããŒæ
è¡èšãã¯å€§äººåãã®æ¿æ²»é¢šåºã§ããããã¡ãã18çŠã®æèã§ã®è©±ã§ãã
äžçŽã
é©ãã¹ãããšã¯ãã¹ãŠã£ãããä»ã®åæ代人ã®ç±çãªæµå¯Ÿè
ã§ãããšããããšã ã
ãã¥ãŒãã³ã¯ãã¬ãªããŒæ
è¡èšãã®äžã§è¡æã®çºèŠãäºèšããã ãã§ã¯ãããŸãã
ç«æïŒãã®ç¹åŸŽãããªãæ£ç¢ºã«èª¬æããŠããŸãïŒã ãã§ãªããããªãèå³æ·±ãç¹ã説æããŠããŸãã
人ã
ã®éã®ã³ãã¥ãã±ãŒã·ã§ã³æ¹æ³:
ã...ãã®ãããžã§ã¯ãã§ã¯ããã¹ãŠã®èšèãå®å
šã«å»æ¢ããããšãèŠæ±ãããŸããã
ãã®ãããžã§ã¯ãã®èè
ã¯ãäž»ã«å¥åº·äžã®å©ç¹ãšç¯çŽã«ã€ããŠèšåããŸããã
æéã
çµå±ã®ãšãããç§ãã¡ãçºãããã¹ãŠã®èšèã«ã¯äœããã®ç£šèã䌎ãããšã¯æããã§ãã
èºã«æªåœ±é¿ãåãŒãããããã£ãŠç§ãã¡ã®å¯¿åœã®ççž®ã«ã€ãªãããŸãã
ãããŠãèšèã¯åãªãç©ã®ååã§ããããããããžã§ã¯ãã®äœæè
ã¯æ¬¡ã®ããã«ä»®å®ããŠããŸãã
èªåã®èããè¡šçŸããããã«å¿
èŠãªãã®ãæã¡æ©ãæ¹ããã£ãšäŸ¿å©ã«ãªãã ãããšããããšã§ãã
æèãšæ¬²æã
...å€ãã®éåžžã«ååŠã§è³¢æãªäººã
ããèªåã®èããè¡šçŸãããã®æ°ããæ¹æ³ã䜿çšããŠããŸãã
ç©ã䜿ã£ãæèã
å¯äžã®äžäŸ¿ãªç¹ã¯ãå¿
èŠã«å¿ããŠã
ããŸããŸãªãããã¯ã«ã€ããŠé·ãäŒè©±ãè¡ãã«ã¯ã察話è
ã¯æ¬¡ã®ããšãå®è¡ããå¿
èŠããããŸãã
è³éã足ãã人ãéãããšãã§ããªãå Žåã¯ã倧éã®ç©ã®æãèè² ã£ããã
å±åŒ·ãªç·äºäººã ç§ã¯ããã®ãããªäºäººã®è³¢è
ãç²ãæãŠãŠããã®ãããèŠãããŸããã
ç§ãã¡ã®è¡å人ã®ããã«ãéè·ãè² ã£ãŠããŸãã éã§äŒã£ããšãã圌ãã¯åçãæ®ããŸãã
ã·ã§ã«ããŒããã°ãéããŠãããããå¿
èŠãªãã®ãåãåºããŠãããããŠäŒè©±ãç¶ããã
æéã®ç¶ç¶ã ãããã圌ãã¯é£åšãç©ã¿äžãããäºãã«è·ç©ãäžã«æã¡äžããã®ãæäŒã£ã
è©ãçµãã§å¥ããåããŠå¥ããã
ãã ããçããŠç°¡åãªäŒè©±ã§ããã°ãå¿
èŠãªãã®ããã¹ãŠãã±ããã«å
¥ããŠæã¡éã¶ããšãã§ããŸãã
ãŸãã¯èã®äžã§ãèªå®
ã§è¡ãããäŒè©±ã¯åé¡ãåŒãèµ·ãããŸããã
å°é£ã ãããã£ãŠããã®æ¹æ³ã䜿çšãã人ã
ãéãŸãéšå±ã¯ã
ãã®ãããªäººå·¥ç©ã®ææãšããŠæ©èœããã®ã«é©ããããããçš®é¡ã®ç©äœ
äŒè©±ã
æ¬çºæã®ããäžã€ã®å€§ããªå©ç¹ã¯ã
家å
·ã家åºçšã®ããã¹ãŠã®ææåœã«ç解ã§ããäžçå
±éèšèªãšããŠ
調çåšå
·ã¯ã©ãã§ãåããéåžžã«äŒŒãŠããã®ã§ããã®çšéãç°¡åã«ç解ã§ããŸãã
ãããã£ãŠã䜿è
ã¯å€åœã®çãšç°¡åã«è©±ãããšãã§ããŸãã
èšèªããŸã£ããåãããªãç§åž«ãã¡âŠã
ããŠãããªãã¯ããããç§ãããã§ã©ãã«è¡ãã®ããã§ã«æšæž¬ããŠããã§ããã:)
ãªã空æ°ã®æ¯åïŒé³ïŒãäœçŸãããäœåããã«ãããã£ãŠäŒããã®ã§ããããïŒ
ïŒç©ºæ°ã®æ¯åãã§ããã ãæ£ç¢ºãã€å¹ççã«åä¿¡è
ã«äŒããããïŒãšã³ã³ãŒããæ°ã«ãããã»ãã³ãã£ãã¯ã§ããã°å¿
èŠãªåž¯åå¹
ãç¶æãã
ãã®ãã©ã³ã¹ããã·ã§ã³ã®è² è·ã¯æå°éã§ããããããšããŒãã«è¿ã¥ãåŸåããããŸãã?
çµå±ã®ãšããã人ã ã¯é³ã§ã¯ãªããæå³ãå 容ãæå³è«ãæèã«ãã£ãŠäºãã«ã³ãã¥ãã±ãŒã·ã§ã³ããŸã...
æ°ããéä¿¡ã·ã¹ãã ã®ã³ã³ã»ããã¯éåžžã«ã·ã³ãã«ã§ãããœãŒã¹åŽ A ã«ã¯ãªãŒãã£ãªããããŸãã
æ¯åãããžã¿ã«åãããŸãããããã«çžæã«äŒããããã§ã¯ãããŸãããã
ããã¹ãã«å€æãã (Speech To Text)ãæå³ã®ããããã¹ããå€æãããŸãã
å å
¥è
A:
- å¿ èŠæå°éã®ããŒã¿åž¯åã§éä¿¡å¯èœïŒHFç¡ç·éä¿¡ãå¯èœãªã©ïŒ
- ä»»æã®åŒ·åãªæå·åã¢ã«ãŽãªãºã ã§æå·åã§ããŸã
Bé¢ã§ã¯åä¿¡ããã¡ãã»ãŒãžã埩å·åããŠé³å£°ãšããŠåçããŸãã
å å
¥è
A (ããã¹ãèªã¿äžã)ã
ããããBé¢ãããŠã³ããŒãã§ããŸãã å å
¥è
A ã®é³å£°ã¢ãã¿ãŒã
å å
¥è
A ã®è©±ãæ¹ãæ£ç¢ºã«ç¹°ãè¿ããŸããã
å¥ã®ãã£ãã«ããèæ¯ãã€ãºãææ ãéä¿¡ãããå¯èœæ§ããããŸãã
ãããªã³ãã¥ãã±ãŒã·ã§ã³ã«ããã¹ãŠåãããšãåœãŠã¯ãŸããŸããç¹ã«åã
ã®èŠçŽ ã¯é·ãéã
ã¢ããªã±ãŒã·ã§ã³ïŒããŸããŸãªãã¹ã¯ãZoom ã®èæ¯ãªã©ïŒã«ååšããŸãã
ã¯ããçŸåšé©åãªåœ¢ã§å®å
šã«ã¯å®è£
ãããŠããªãæè¡çåŽé¢ããããŸã -
ããšãã°ãSpeech To Text å€æã®é床ã¯éèŠã§ããã
äºæž¬ AI å€æã¢ã«ãŽãªãºã ã«ããããã®é床ã倧å¹
ã«åäžããŸãã
æãéèŠãªå©ç¹ã¯ãäŒéåªäœã«å¿
èŠãªåž¯åå¹
ãæå°éã§æžãããšã§ãã
ããŒã¿ã
ãããã®ã ãã®åçã¯æ¥åžžç掻ã ãã§ãªãã
éä¿¡ã ãã§ãªããé
延ã®é·ãè»äºéä¿¡ãé·è·é¢éä¿¡ã«ã䜿çšãããŸãã
(å®å®éä¿¡ãææé - æãç«æãªã©:)
ããã¯ã³ã³ã»ããã®èª¬æã§ãããå®éãç§ãã¡ã®ãããžã§ã¯ãã® XNUMX ã€ã§ã¯ããã§ã«ããã€ãã®ã³ã³ã»ãããååšããŸãã
ãã®åçãåãããããã¿ã€ãã¯æ°ãæé䜿çšãããŠããŸããã
ã§ãããã«ã€ããŠã¯ãŸã次åâŠã
åºæïŒ habr.com