{"id":9803,"date":"2021-12-03T00:05:22","date_gmt":"2021-12-03T00:05:22","guid":{"rendered":"https:\/\/lgildv5i97.onrocket.site\/answers\/?post_type=question&#038;p=9803"},"modified":"2021-12-03T00:05:49","modified_gmt":"2021-12-03T00:05:49","slug":"mp4-file-has-video-but-no-audio","status":"publish","type":"question","link":"https:\/\/computing.net\/answers\/digitalphoto\/mp4-file-has-video-but-no-audio\/4527.html","title":{"rendered":"MP4 File Has Video But No Audio."},"content":{"rendered":"<p>I have recorded two videos on the same day using Xperia Z. One file is normal, having both video and audio during playback on my computer using various media players but the other has video only. I have extracted the media info for both files below. Does anyone know how to fix the captioned issue. Thanks in advance.<\/p>\n<p>[File with video only during playback]<\/p>\n<p>Format : MPEG-4<br \/>\nFormat profile : Base Media<br \/>\nCodec ID : isom<br \/>\nFile size : 167 MiB<br \/>\nDuration : 1mn 19s<br \/>\nOverall bit rate : 17.7 Mbps<br \/>\nEncoded date : UTC 2014-06-14 09:08:30<br \/>\nTagged date : UTC 2014-06-14 09:08:30<br \/>\n\u5b98yz : +22.3150+114.0445\/<\/p>\n<p>Video<br \/>\nID : 1<br \/>\nFormat : AVC<br \/>\nFormat\/Info : Advanced Video Codec<br \/>\nFormat profile : High@L4.0<br \/>\nFormat settings, CABAC : Yes<br \/>\nFormat settings, ReFrames : 1 frame<br \/>\nFormat settings, GOP : M=1, N=30<br \/>\nCodec ID : avc1<br \/>\nCodec ID\/Info : Advanced Video Coding<br \/>\nDuration : 1mn 19s<br \/>\nSource duration : 1mn 19s<br \/>\nBit rate : 17.5 Mbps<br \/>\nWidth : 1 920 pixels<br \/>\nHeight : 1 080 pixels<br \/>\nDisplay aspect ratio : 16:9<br \/>\nFrame rate mode : Variable<br \/>\nFrame rate : 29.508 fps<br \/>\nMinimum frame rate : 14.834 fps<br \/>\nMaximum frame rate : 30.293 fps<br \/>\nColor space : YUV<br \/>\nChroma subsampling : 4:2:0<br \/>\nBit depth : 8 bits<br \/>\nScan type : Progressive<br \/>\nBits\/(Pixel*Frame) : 0.286<br \/>\nStream size : 165 MiB (99%)<br \/>\nSource stream size : 165 MiB (99%)<br \/>\nTitle : VideoHandle<br \/>\nLanguage : English<br \/>\nEncoded date : UTC 2014-06-14 09:08:30<br \/>\nTagged date : UTC 2014-06-14 09:08:30<br \/>\nmdhd_Duration : 79064<\/p>\n<p>Audio<br \/>\nID : 2<br \/>\nFormat : AAC<br \/>\nFormat\/Info : Advanced Audio Codec<br \/>\nFormat profile : LC<br \/>\nCodec ID : 40<br \/>\nDuration : 1mn 18s<br \/>\nBit rate mode : Constant<br \/>\nBit rate : 156 Kbps<br \/>\nChannel count : 2 channels<br \/>\nChannel positions : Front: L R<br \/>\nSampling rate : 48.0 KHz<br \/>\nCompression mode : Lossy<br \/>\nStream size : 1.45 MiB (1%)<br \/>\nTitle : SoundHandle<br \/>\nLanguage : English<br \/>\nEncoded date : UTC 2014-06-14 09:08:30<br \/>\nTagged date : UTC 2014-06-14 09:08:30<\/p>\n<p>[File with both video and audio during playback]<\/p>\n<p>Format : MPEG-4<br \/>\nFormat profile : Base Media<br \/>\nCodec ID : isom<br \/>\nFile size : 212 MiB<br \/>\nDuration : 1mn 40s<br \/>\nOverall bit rate : 17.6 Mbps<br \/>\nEncoded date : UTC 2014-06-14 13:00:05<br \/>\nTagged date : UTC 2014-06-14 13:00:05<br \/>\n\u5b98yz : +22.3130+114.0427\/<\/p>\n<p>Video<br \/>\nID : 1<br \/>\nFormat : AVC<br \/>\nFormat\/Info : Advanced Video Codec<br \/>\nFormat profile : High@L4.0<br \/>\nFormat settings, CABAC : Yes<br \/>\nFormat settings, ReFrames : 1 frame<br \/>\nFormat settings, GOP : M=1, N=30<br \/>\nCodec ID : avc1<br \/>\nCodec ID\/Info : Advanced Video Coding<br \/>\nDuration : 1mn 40s<br \/>\nBit rate : 17.5 Mbps<br \/>\nWidth : 1 920 pixels<br \/>\nHeight : 1 080 pixels<br \/>\nDisplay aspect ratio : 16:9<br \/>\nRotation : 90\u00b0<br \/>\nFrame rate mode : Variable<br \/>\nFrame rate : 28.864 fps<br \/>\nMinimum frame rate : 14.820 fps<br \/>\nMaximum frame rate : 30.120 fps<br \/>\nColor space : YUV<br \/>\nChroma subsampling : 4:2:0<br \/>\nBit depth : 8 bits<br \/>\nScan type : Progressive<br \/>\nBits\/(Pixel*Frame) : 0.292<br \/>\nStream size : 209 MiB (99%)<br \/>\nTitle : VideoHandle<br \/>\nLanguage : English<br \/>\nEncoded date : UTC 2014-06-14 13:00:05<br \/>\nTagged date : UTC 2014-06-14 13:00:05<\/p>\n<p>Audio<br \/>\nID : 2<br \/>\nFormat : AAC<br \/>\nFormat\/Info : Advanced Audio Codec<br \/>\nFormat profile : LC<br \/>\nCodec ID : 40<br \/>\nDuration : 1mn 40s<br \/>\nSource duration : 1mn 40s<br \/>\nBit rate mode : Constant<br \/>\nBit rate : 156 Kbps<br \/>\nChannel count : 2 channels<br \/>\nChannel positions : Front: L R<br \/>\nSampling rate : 48.0 KHz<br \/>\nCompression mode : Lossy<br \/>\nStream size : 1.87 MiB (1%)<br \/>\nSource stream size : 1.87 MiB (1%)<br \/>\nTitle : SoundHandle<br \/>\nLanguage : English<br \/>\nEncoded date : UTC 2014-06-14 13:00:05<br \/>\nTagged date : UTC 2014-06-14 13:00:05<br \/>\nmdhd_Duration : 100613<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"iawp_total_views":12},"question-category":[46],"question_tags":[],"class_list":["post-9803","question","type-question","status-publish","hentry","question-category-digitalphoto"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/computing.net\/answers\/wp-json\/wp\/v2\/question\/9803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/computing.net\/answers\/wp-json\/wp\/v2\/question"}],"about":[{"href":"https:\/\/computing.net\/answers\/wp-json\/wp\/v2\/types\/question"}],"author":[{"embeddable":true,"href":"https:\/\/computing.net\/answers\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/computing.net\/answers\/wp-json\/wp\/v2\/comments?post=9803"}],"wp:attachment":[{"href":"https:\/\/computing.net\/answers\/wp-json\/wp\/v2\/media?parent=9803"}],"wp:term":[{"taxonomy":"question-category","embeddable":true,"href":"https:\/\/computing.net\/answers\/wp-json\/wp\/v2\/question-category?post=9803"},{"taxonomy":"question_tags","embeddable":true,"href":"https:\/\/computing.net\/answers\/wp-json\/wp\/v2\/question_tags?post=9803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}