


On the evening of July 3rd, Douyin joined hands with Universal Music’s label PolyGram to live broadcast the selected content of the Beyond Live 1991 life contact concert and commemorative concert that had been restored by Volcano Engine ultra-clear, attracting more than 1.4 100 million views.
Beyond is a rock band founded in 1983. With the rise of Cantonese music, the name of the Beyond band has become a cultural imprint of an era. "Beyond Live 1991" was the first concert held by Beyond at the Hung Hom Stadium. The DVDs subsequently released by PolyGram were almost hard to find in the 1990s. In the 31 years since then, this concert has become the musical enlightenment and youthful memory of generations of fans.
Limited by the shooting equipment, storage media and recording equipment technology at the time, the quality of the concert master tapes and various versions of audio and video circulated on the Internet was poor. In order to improve the viewing and listening experience and reproduce the classic Beyond, the Volcano Engine has been restored in terms of image quality and sound quality.
According to the Volcano Engine Multimedia Laboratory, early software and hardware equipment were backward, resulting in problems such as blurry images, texture loss, and noise defects during the production, compression, and transmission of films. Improving the image quality while restoring as much detail as possible, optimizing colors and retaining a retro feel, and adjusting the restoration effects of portraits of different sizes and postures are the difficulties of this restoration.
"Our goal is to improve the picture quality in terms of overall picture clarity, restoration of facial features, color brightness, fluency, and aesthetics." In terms of picture quality, this book The second repair uses algorithms such as clarity enhancement, defect repair, and regional color brightness enhancement to deal with problems caused by backward software and hardware equipment in the early stage. The video resolution has been increased from less than 540p to close to 4K level, and the frame rate has been increased from 25fps to 60fps.
Through the portrait enhancement algorithm, the eyeliner, pores and other details on Huang Jiaju’s face are clearly visible
In addition, the Volcano Engine Multimedia Laboratory also develops self-adaptive portrait enhancement algorithms to repair and enhance problems such as facial compression damage, blur, and low resolution. This technology is based on deep learning, which not only eliminates the blurring and compression damage of the entire face, but also further reconstructs the key features of the face in detail. After repair, the beard and pores on the character's face are clearly visible, giving the audience a better visual experience.
In terms of sound quality repair, the Volcano Engine audio technology team uses audio noise reduction, audio super-resolution and loudness algorithms to eliminate noise, improve sound quality, and solve problems such as loudness, noise interference, and insufficient bandwidth.
Different from traditional noise reduction solutions, this noise reduction algorithm implements a compatible AI noise reduction algorithm for music scenes and vocal scenes. On the premise of retaining music and vocals, Suppress ambient noise. The audio super-resolution algorithm expands the frequency band of the vocal part in the concert, enriches the high-frequency information, and makes the vocals clearer. It can be seen from the spectrogram that through the processing of the super-resolution module, the high-frequency part of the original audio has been expanded and enhanced.
Through the processing of the audio super-resolution algorithm, the original audio is greater than 12kHz The audio information has been completed and repaired to a certain extent
Due to the different sound pickup conditions in the concert, the singing voice in the concert is sometimes too small compared to the sound of musical instruments and ambient sounds. , the Volcano Engine audio technology team uses the loudness algorithm to first extract the singing part separately, then adjust the loudness of the singing part, and finally mix it to make the overall human voice more comfortable.
It is understood that these restoration capabilities of the concert have been provided to the outside world through the Volcano Engine intelligent processing and audio technology products. In addition, Volcano Engine has also opened up to the outside world a full-link end-to-end solution for image quality, covering uploading, transcoding, transmission, consumption and other links to achieve all-round optimization of video content in terms of image quality, bit rate, and experience.
Digital technology is becoming a force driving cultural inheritance. Relevant reports show that in October 2021, Xigua Video and Volcano Engine launched the "Classic Video 4K Restoration Plan". Through technical means, a total of 71 classic cartoons have been restored. The restored content can be downloaded for free on Xigua Video and Fresh Time TV Watch.
The person in charge of Volcano Engine said that in the future, more advanced technologies will be used to restore classic images and give them a new lease of life.
The above is the detailed content of Volcano Engine's ultra-clear restoration of Beyond's classic concert, technical capabilities have been made available to the public. For more information, please follow other related articles on the PHP Chinese website!

火山引擎总裁谭待企业要做好大模型落地,面临模型效果、推理成本、落地难度的三大关键挑战:既要有好的基础大模型做支撑,解决复杂难题,也要有低成本的推理服务让大模型被广泛应用,还要更多工具、平台和应用帮助企业做好场景落地。——谭待火山引擎总裁01.豆包大模型首次亮相大使用量打磨好模型模型效果是AI落地最关键的挑战。谭待指出,只有大的使用量,才能打磨出好模型。目前,豆包大模型日均处理1,200亿tokens文本、生成3,000万张图片。为助力企业做好大模型场景落地,字节跳动自主研发的豆包大模型将通过火山

经过一年多的发展,AIGC已经从文字对话、图片生成逐步向视频生成迈进。回想四个月前,Sora的诞生让视频生成赛道经历了一场洗牌,大力推动了AIGC在视频创作领域的应用范围和深度。在人人都在谈论大模型的时代,我们一方面惊讶于视频生成带来的视觉震撼,另一方面又面临着落地难问题。诚然,大模型从技术研发到应用实践还处于一个磨合期,仍需结合实际业务场景进行调优,但理想与现实的距离正在被逐步缩小。营销作为人工智能技术的重要落地场景,成为了很多企业及从业者想要突破的方向。掌握了恰当方法,营销视频的创作过程就会

日前,火山引擎语音合成产品获得国家语音及图像识别产品质量检验检测中心(以下简称“AI国检中心”)颁发的语音合成增强级检验检测证书,在语音合成的基本要求以及扩展要求上已达AI国检中心的最高等级标准。本次评测从中文普通话、多方言、多语种、混合语种、多音色、个性化等维度进行评测,产品的技术支持团队-火山语音团队提供了丰富的音库,经评测其音色MOS评分最高可达4.64分,处行业领先水平。作为我国质检系统在人工智能领域的首家、也是唯一的国家级语音及图像产品质量检验检测机构,AI 国检中心一直致力于推动智能

1.购买商品前,消费者会在社交媒体上搜索并浏览商品评价。因此,企业在社交平台上针对产品进行营销变得越来越重要。营销的目的是为了:促进产品的销售树立品牌形象提高品牌认知度吸引并留住客户最终提高企业的盈利能力大模型具备出色的理解和生成能力,可以通过浏览和分析用户数据为用户提供个性化内容推荐。《AIGC体验派》第四期中,两位嘉宾将深入探讨AIGC技术在提升「营销转化率」方面发挥的作用。直播时间:7月10日19:00-19:45直播主题:留住用户,AIGC如何通过个性化提升转化率?第四期节目邀请到两位重

长期以来,火山引擎为时下风靡的视频平台提供基于语音识别技术的智能视频字幕解决方案。简单来说,就是通过AI技术自动将视频中的语音和歌词转化成文字,辅助视频创作的功能。但伴随平台用户的快速增长以及对语言种类更加丰富多样的要求,传统采用的有监督学习技术日渐触及瓶颈,这让团队着实犯了难。众所周知,传统的有监督学习会对人工标注的有监督数据产生严重依赖,尤其在大语种的持续优化以及小语种的冷启动方面。以中文普通话和英语这样的大语种为例,尽管视频平台提供了充足的业务场景语音数据,但有监督数据达到一定规模之后,继

国庆期间,抖音上“一句方言证明你是地道家乡人”的活动在吸引了全国各地的网友热情参与,话题最高登上抖音挑战榜第一位,播放量已超过5000万。这场“各地方言大赏”能够在网络上迅速走红,离不开抖音新推出的地方方言自动翻译功能的功劳。创作者们在录制家乡话的短视频时,使用了“自动字幕”功能,并选择了“转为普通话字幕”,这样就能够自动识别视频中的方言语音,并将方言内容转化为普通话字幕,让其他地区的网友也能轻松听懂各种“加密型国语”。福建的网友亲自测试后表示,就连“十里不同音”的闽南地区是中国福建省的一个地域

健康+AI=?中老年脑健康营养解决方案、数智化营养健康服务、AIGC大健康社区方案……随着“健康+AI”生态创新大赛的展开,一个个蕴含技术能量、赋能健康产业的创新方案呼之欲出,“健康+AI=?”的答案正在慢慢浮现。12月26日,伊利集团与火山引擎联合主办的“健康+AI”生态创新大赛圆满收官,上海博斯腾网络科技有限公司、中科苏州智能计算技术研究院等6家优胜企业脱颖而出。在历时一个多月的角逐中,伊利携手优秀科创企业共同探索AI技术与健康产业的深度融合,将大赛期待值持续拉满。“健康+AI”生态创新大赛

本站8月22日消息,据火山引擎官方消息,火山引擎视频云宣布其自研的视频编解码芯片已成功出片,今日正式发布。官方表示,该芯片的视频压缩效率相比“行业主流硬件编码器”可提升30%以上,未来将服务于抖音、西瓜视频等视频业务,并将通过火山引擎视频云开放给企业客户。据悉,火山引擎基于抖音等视频业务的大规模实践和打磨,将自研的视频编解码技术融入到专用芯片中,压缩效率相比行业主流硬件编码器提升30%以上,可应用于视频点播、直播、图像压缩、XR等业务场景。▲图源火山引擎第三方数据显示,中国用户量排名TOP100


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Dreamweaver Mac version
Visual web development tools

Atom editor mac version download
The most popular open source editor

WebStorm Mac version
Useful JavaScript development tools

VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft

Notepad++7.3.1
Easy-to-use and free code editor
