This document has greater than 8-bit depth illustrator

Export artwork. Choose File > Export > Export As. Select a location for the file, and enter a filename. Select a file format Save As Type (Windows) or Format (macOS). If your document contains multiple …

This document has greater than 8-bit depth illustrator. This is referred to as 24 bits per pixel since each pixel is composed of three 8-bit color channels. The number of colors available for any X-bit image is just 2 X if X refers to the bits per pixel and 2 3X if X refers to the bits per channel. COMPARISON. The following table illustrates different image types in terms of bits (bit depth), total ...

1. Open the Appearance panel and click on the icon that looks like a gear. This will open the Bitmap panel. 2. In the Bitmap panel, you'll see a number of different icons. Click on the icon that looks like a 8-bit computer. 3. In the 8-bit computer window, you'll see a number of different icons. Click on the icon that looks like a 8-bit art. 4.

Step Four – Convert the Image to Grayscale. ... Step Five – Edit Your Photo However You Choose. ... Step Five Alternative – Color Indexing. ... Step Six – Sharpen Your Image. ... Step Seven – Convert and Export. I make a large portion of my laser cut documents utilizing Illustrator.An 8-bit image has 256 tonal levels per channel (2^8=256), whereas ... The image above has a very flat tonal range (done deliberately for illustration purposes).Here's a test I did now. The "-test.ai" is exactly the same content but copied into a new document. And by doing that the size goes down 8 times. I have removed unused Swatches, Brushes, Symbols and Graphic Styles in the original one and rasterized the background layer in 72 ppi. Everything is done in latest Illustrator 2017 by a colleague.May 24, 2023 · Like most file formats, PSD supports files up to 2 GB in size. For files larger than 2 GB, save in Large Document Format (PSB), Photoshop Raw (flattened image only), TIFF (up to 4 GB), or DICOM format. The standard bit depth for images is 8 bits per channel. To achieve greater dynamic range with 16- or 32-bit images, use the following formats: 12 Haz 2023 ... From the above, we can assume that a 16-bit image means 16 bits per channel in Photoshop. Well, it does, and it doesn't at the same time.Best overall. 1. Inkscape. A feature-packed editor that's a true substitute for Illustrator. Open source vector graphics package Inkscape is staggeringly powerful, and is the best free Adobe ...Anyone who has worked in any portion of the medical field has had to learn at least a little bit about CPT codes. These Current Procedural Terminology codes are used to document and report medical procedures. Take a look at this guide to le...

8 Bit (24 Bits per pixel) As we have have calculated earlier, 8 Bit images have more than 16.7 million color possibilities. The human eye can distinguish about 10 million different colors. Hence, an 8 Bit image has more color possibilities than what a human eye can distinguish. That’s why the maximum number of images we came across are 8 Bit ...Bit depth is critical to digital music. In fact, it pre-defines audio definition. Independent artists utilize digital audio recording technology in their home studios daily. Therefore understanding bit depth and audio resolution will level up your game in your home recording setup. Audio resolution is an important aspect of any audio product.It's because the depth of the document is different from something which you are trying to import in it. In simple language, you have to match the colour mode bit, Try changing the setting to lower and higher until you don't …Nov 15, 2022 · Simply put, the file size of an image increases with bit depth because more color information is stored per pixel in an image having higher bit depth. For example: An image with a bit depth of 1 has pixels with two possible values: black and white. An image with a bit depth of 8 has 2 8, or 256, possible values. Grayscale mode images with a bit ... image file size = pixel count × bit depth. image file size = 307,200 pixels × 24 bits/pixel. image file size = 7,372,800 bits. image file size = 7,372,800 bits × (1 byte / 8 bits) × (1 kilobyte / 1000 bytes) image file size = 921.6 KB (kilobytes) Please note that our calculated image file size is just an estimate of the actual file size of ...

Simply put, the file size of an image increases with bit depth because more color information is stored per pixel in an image having higher bit depth. For example: An image with a bit depth of 1 has pixels with two possible values: black and white. An image with a bit depth of 8 has 2 8, or 256, possible values. Grayscale mode images with a bit ...May 23, 2023 · To convert your bit preference, do any of the following: To convert between 8 Bits/Channel and 16 Bits/Channel, choose Image > Mode > 16 Bits/Channel or 8 Bits/Channel. To convert from 8 or 16 Bits/Channel to 32 Bits/Channel, choose Image > Mode > 32 Bits/Channel. This amount of memory us called the bit depth of the image. Greater bit depths are required to represent finer gradations of color. bit depth vs number of colors To store higly colored images, more bits are required. This also increases file size. 1 bit = 2 colors (black and white) "bit map" 2 bits = 4 colors 4 bits = 16 colors 8 bits = 256 colorsMay 23, 2023 · To convert your bit preference, do any of the following: To convert between 8 Bits/Channel and 16 Bits/Channel, choose Image > Mode > 16 Bits/Channel or 8 Bits/Channel. To convert from 8 or 16 Bits/Channel to 32 Bits/Channel, choose Image > Mode > 32 Bits/Channel. The lowest option in photoshop is 4-bit. My icons are 4-levels grayscale and must be saved as a 2-bit image. Is there a trick or a converter or something? I created these icons in both vector and pixel format using illustrator and photoshop, the tricky part now is giving the developers a 2-bit image file. Any suggestions are greatly appreciated.

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Oct 21, 2022 · I wanted to open / place / import a doucment I created in Photoshop and work on it with it's various layers in Illustrator. However, when I try to do this I get the message " This document has greater then 8-bit depth. It will be imported as an 8-bit flat composite." So the document shows up in Illustrator as just one layer and cannot be edited. The lowest option in photoshop is 4-bit. My icons are 4-levels grayscale and must be saved as a 2-bit image. Is there a trick or a converter or something? I created these icons in both vector and pixel format using illustrator and photoshop, the tricky part now is giving the developers a 2-bit image file. Any suggestions are greatly appreciated.Increasing the contrast of an image is similar to decreasing the bit depth. If we manipulate the photo hard enough, the smooth gradients will start to show banding or stepping. An 8-bit image can only contain a maximum of 256 grayscale, while 16-bit images can contain up to 65,536 grayscale.Jun 29, 2018. It means that one of your files was created with higher resolution than the other and its giving you a warning that you might lose data. So look at your image size were you can see your resolution and you will see what file was created with different resolution. 1 Upvote.New images in Acorn are created as 8 bit per component / 32 bit pixel images, which is suitable for most images used today. However, if you'd like to have a "deeper" image depth, navigate to the Image Image Depth menu item. You have the choice of selecting 8 or 16 bits per channel. If you open up a 64 or 48 bit image in Acorn, Acorn will place ...Jun 13, 2017. Anyone had problems with big file sizes in Illustrator documents? Can get a 105 mb file down to 19 mb just by copying all the content and pasting into a new …

The higher the bit depth, the more tonal information each pixel can store. In Affinity Designer, you need to choose a color format (mode) to work in when creating a new document. This sets the color model and the bit depth (8 or 16 bits) for the document you are working on. If you want to understand bit depth in greater detail, there is a ...You can see in both yours and my screenshots, below the 8 Bit, it says RGB. The RGB channels are: 8 BIT - RED. 8 BIT - GREEN. 8 BIT - BLUE. 8 BIT - X CHANNEL (used for transparency) 4 x 8 BIT Channels = 32 Bit RGB. So you do actually have 32 BIT RGB Colour. From your screenshot, your images appear fine to me. Simply put, the file size of an image increases with bit depth because more color information is stored per pixel in an image having higher bit depth. For example: An image with a bit depth of 1 has pixels with two possible values: black and white. An image with a bit depth of 8 has 2 8, or 256, possible values. Grayscale mode images with a bit ...06. Create a gradient. Next, we want to add a nice gradient with a textured, grainy feel. This will add depth, but with a retro style. The first thing to do is copy a segment of your illustration. 07. Apply the gradient. Now apply your gradient, preferably ensuring it fades from dark to white.Here’s how it works: 1. Open the Appearance panel and click on the icon that looks like a gear. This will open the Bitmap panel. 2. In the Bitmap panel, you’ll see a number of different icons. Click on the icon that looks like a 8-bit computer. 3. In the 8-bit computer window, you’ll see a number of different icons.You can convert any 16-bit image to an 8-bits image, but you can’t convert images the other way. A 16-bit image file can store a 16 bits amount of information. If you convert an eight bits image into the larger size, there’s no new information to add to the new file. Instead, the file is only half-used, with eight bits to hold the image and ..."best way" is a bit ambiguous. There may be one way which works for your style fantastically, but fails for other styles. Essentially you just need to understand light and shadow. Then it's a matter of creating highlights and shadows accordingly. There are several ways to do that. Effect > Stylize > Inner Glow can create a "sunken" lookClick Create New on the Home screen. Choose File > New. Press Command+N (macOS) or Ctrl+N (Windows). Illustrator automatically creates the artboard on the large canvas when dimensions are large. Notice the warning at the bottom of the New document dialog indicating that the specified dimensions are bigger than the default …Web-safe color. v. t. e. Color depth or colour depth (see spelling differences ), also known as bit depth, is either the number of bits used to indicate the color of a single pixel, or the number of bits used for each color component of a single pixel. When referring to a pixel, the concept can be defined as bits per pixel (bpp).

Raster files display a wider array of colors, permit greater color editing, and show finer light and shading than vectors — but they lose image quality when resized. An easy way to tell if an image is raster or vector is to increase its size. If the image becomes blurred or pixelated, it’s most likely a raster file.

Last updated on May 23, 2023. Learn how to create large-scale artwork for billboards, signage boards, apparel designs, wall art, and more on a large canvas area. Adobe Illustrator lets you create your large-scale artwork on a 100x canvas, which provides more working space (2270 x 2270 inches) and ability to scale.Raster files display a wider array of colors, permit greater color editing, and show finer light and shading than vectors — but they lose image quality when resized. An easy way to tell if an image is raster or vector is to increase its size. If the image becomes blurred or pixelated, it’s most likely a raster file.A sample is a snapshot of some waveform, whether it's a particular voltage, or a digital number having some bit depth like 2, or 3 or 8, or 24 bits, and we can use a DAC or ADC to get between one and the other. If the bit depth N is 2 bits, we can resolve 4 analogue levels, 8 bits resolves 256 levels and 24 bits more than 16 million.The size of your file can increase greatly when you create an Adobe Illustrator document. You can optimize your document and create smaller files by using one or a combination …September 18, 2018. “Bit depth” is one of those terms we’ve all run into, but very few photographers truly understand. Photoshop offers 8, 16, and 32-bit file formats. Sometimes we see files referred to as being 24 of 48-bit. And our cameras often offer 12 vs 14-bit files (though you might get 16-bit with a medium format camera).06. Create a gradient. Next, we want to add a nice gradient with a textured, grainy feel. This will add depth, but with a retro style. The first thing to do is copy a segment of your illustration. 07. Apply the gradient. Now apply your gradient, preferably ensuring it fades from dark to white.The examples below demonstrate the relationship between bit depth and image quality. We’ve taken a small detail of our favorite robot juggler illustration and exported it out at various color depths. The changes will be most obvious in the color gradations of the hat. 24-bit color: 2 24 = 16,777,216 colors, 45 KB. 8-bit color: 2 8 = 256 ...Running Time: 12 minutes. This Digital Fundamentals tutorial is on the difference between editing images in 8-bit color and 16-bit bit depth. While it should be obvious that 16-bit color is twice as good as the 8-bit color, it just doesn’t seem that way to the naked eye. This is because humans can only see less than 10 million colors.Sep 23, 2023 · To make a dotted line in Illustrator, follow these steps: Create or select a path in Illustrator. Open the Stroke menu. Check the “dashed line” box in the Stroke menu. Expand the menu by clicking on the hamburger menu if needed. Tick the “Dashed Line ” box. Reduce the dash value to 0. Check the “round cap” option. Nov 15, 2022 · Simply put, the file size of an image increases with bit depth because more color information is stored per pixel in an image having higher bit depth. For example: An image with a bit depth of 1 has pixels with two possible values: black and white. An image with a bit depth of 8 has 2 8, or 256, possible values. Grayscale mode images with a bit ...

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Anyone who has worked in any portion of the medical field has had to learn at least a little bit about CPT codes. These Current Procedural Terminology codes are used to document and report medical procedures. Take a look at this guide to le...Audio bit depth. An analog signal (in red) encoded to 4-bit PCM digital samples (in blue); the bit depth is four, so each sample's amplitude is one of 16 possible values. In digital audio using pulse-code modulation (PCM), bit depth is the number of bits of information in each sample, and it directly corresponds to the resolution of each sample.Like most file formats, PSD supports files up to 2 GB in size. For files larger than 2 GB, save in Large Document Format (PSB), Photoshop Raw (flattened image …Had the same problem, changed the image depth on the 8 bit image to 16 bit via Zukisox's method, then put the newly 16 bit image into the other 16 bit file. Worked great. Votes13 May 2014 ... The 20.6 megabytes shown above is based on the document using 8 bits per channel (bpc). Why Does a Photoshop Document Show Two Sizes? If you ...The procedure is completely “hand-tunable” using masks and layers, and is as close as you can get to non-destructive image editing using high bit depth GIMP 2.9/2.10. Power lines at noon, before and after tone mapping (aka “shadow recovery”) using high bit depth GIMP ’s floating point “Colors/Exposure”. (Click to view): You can convert any 16-bit image to an 8-bits image, but you can’t convert images the other way. A 16-bit image file can store a 16 bits amount of information. If you convert an eight bits image into the larger size, there’s no new information to add to the new file. Instead, the file is only half-used, with eight bits to hold the image and ...One-bit raster datasets have 8-bit pyramid layers when stored in a file system, but in a geodatabase, 1-bit raster datasets can only have 1-bit pyramid layers, which makes the display unpleasant. By converting the data to 8 bit in a geodatabase, the pyramid layers are built as 8 bit instead of 1 bit, resulting in a proper raster dataset in the ... ….

The New Document window in Photoshop has you set your Pixels Per Inch resolution in the beginning. ... I’m not sure you understand. Serving a 2000+ wide pixel image would indeed be bad, since it would undoubtedly be of bigger size than a 400px image. BUT, the DPI doesn’t matter when it comes to web images. ... The formula is a bit ...Nov 27, 2014 · i have "Googled" all over the web, but i cant find anything on changing color depth of a AI file to 16bit ... Stack Exchange Network Stack Exchange network consists of 183 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 13 May 2014 ... The 20.6 megabytes shown above is based on the document using 8 bits per channel (bpc). Why Does a Photoshop Document Show Two Sizes? If you ...Apr 14, 2023 · This document can help you optimize the file size of Adobe Illustrator documents that you save as native Illustrator (AI) files or as PDF files. Depending on the options you choose, you can significantly alter the document's file size. These options require special attention to optimize file size and performance. Oct 20, 2023 · Test Screen Name. That's exactly what the message is telling you. 8 bit and 16 bits are "depth". So if your depth is indeed not the same, a pro needs to know this because of a loss of quality. There are no 16 bit JPEGs, so if you try to bring a JPEG into a 16 bit image you can expect a warning. Choose a bit depth for your image in Photoshop. RGB images with 8‑bits per channel (Bits/Channel or bpc) are sometimes called 24‑bit images (8 bits x 3 channels = 24 bits of data for each pixel). In addition to 8 Bits/Channel images, Photoshop can also work with images that contain 16 or 32 Bits/Channel.. Images with 32 Bits/Channel are ...You can see in both yours and my screenshots, below the 8 Bit, it says RGB. The RGB channels are: 8 BIT - RED. 8 BIT - GREEN. 8 BIT - BLUE. 8 BIT - X CHANNEL (used for transparency) 4 x 8 BIT Channels = 32 Bit RGB. So you do actually have 32 BIT RGB Colour. From your screenshot, your images appear fine to me. Simply put, the file size of an image increases with bit depth because more color information is stored per pixel in an image having higher bit depth. For example: An image with a bit depth of 1 has pixels with two possible values: black and white. An image with a bit depth of 8 has 2 8, or 256, possible values. Grayscale mode images with a bit ...Photoshop can perform many operations on 16-bit and 32-bit images. However, these images require more memory, scratch space, and time to process than 8-bit images. To convert your image to 8 bits per channel, choose Image > Mode > 8 Bits/Channel. See Bit dept and preferences.Photoshop can perform many operations on 16-bit and 32-bit images. However, these images require more memory, scratch space, and time to process than 8-bit images. To convert your image to 8 bits per channel, choose Image > Mode > 8 Bits/Channel. See Bit dept and preferences. This document has greater than 8-bit depth illustrator, A 1-bit image would be like an ink blot. Each pixel would be totally black or totally white with no in between. An 8-bit B&W image allows for each pixel to be one of 256 shades including pure black, pure white and 254 shades of gray in between. Old newspaper photos used a primitive form of dithering to fool the eyes into thinking black dots on ..., We're helping a homeowner that wants to screen in a porch. The job doesn't have to be intimidating and we'll talk about why. And, hear from a listener who just bought a house with a painted cast iron tub. The paint is peeling and needs to b..., I wanted to open / place / import a doucment I created in Photoshop and work on it with it's various layers in Illustrator. However, when I try to do this I get the message " This document has greater then 8-bit depth. It will be imported as an 8-bit flat composite." So the document shows up in Illustrator as just one layer and cannot be edited., There is no color depth setting in illustrator. you can try to add some color grain or noise to the object. Interesting point. But you can not. In the end, Normally Illustrator, or most vector programs for that matter only works with 256 levels of values. Even when working CMYK values, that are represented on a 0-100 scale, are using 256 values ..., values less than 0 or greater than 1 are clipped to 0 and 1. 8. Color component transfer function: Note: Produces sRGB digital values with a range 0 to 1, which must then be multiplied by 2bit depth – 1 and quantized. If R L, G L, B L are less than or equal to 0.0031308 R = 12.92 R L G = 12.92 G L, The higher the bit depth, the more tonal information each pixel can store. In Affinity Designer, you need to choose a color format (mode) to work in when creating a new document. This sets the color model and the bit depth (8 or 16 bits) for the document you are working on. If you want to understand bit depth in greater detail, there is a ..., Nov 15, 2022 · Simply put, the file size of an image increases with bit depth because more color information is stored per pixel in an image having higher bit depth. For example: An image with a bit depth of 1 has pixels with two possible values: black and white. An image with a bit depth of 8 has 2 8, or 256, possible values. Grayscale mode images with a bit ... , Making 8-bit art in Illustrator can be a lot of fun. There are a few ways to go about it, but the most popular method is to use the Appearance panel and the Bitmap …, Simply put, the file size of an image increases with bit depth because more color information is stored per pixel in an image having higher bit depth. For example: An image with a bit depth of 1 has pixels with two possible values: black and white. An image with a bit depth of 8 has 2 8, or 256, possible values. Grayscale mode images with a bit ..., Mar 7, 2020 · I looked through all the settings and can't find something obvious here to set this to 16-bit by default. Here's an example of the canvas vs layer view in 8-bit mode. Switching it to 16-bit fixes it. The New Layer settings should be sticky so you can use the previous settings and amend the size for the next. , September 18, 2018. “Bit depth” is one of those terms we’ve all run into, but very few photographers truly understand. Photoshop offers 8, 16, and 32-bit file formats. Sometimes we see files referred to as being 24 of 48-bit. And our cameras often offer 12 vs 14-bit files (though you might get 16-bit with a medium format camera). , The primary way to reduce the file size of an image is by increasing the amount of compression. In most image editing applications this is done by the selections you make in the “Save As” or “Export As” dialog box when saving a PNG, JPG, or GIF. The more compression, the smaller the file will be and the faster it will load on a webpage., Last updated on May 23, 2023. Learn how to create large-scale artwork for billboards, signage boards, apparel designs, wall art, and more on a large canvas area. Adobe Illustrator lets you create your large-scale artwork on a 100x canvas, which provides more working space (2270 x 2270 inches) and ability to scale., PDFs are a great way to share documents, forms, and other files. They are easy to use, secure, and can be opened on any device. But if you don’t know how to download and install PDFs for free, it can be a bit of a challenge. Here’s a quick ..., Nov 15, 2022 · Simply put, the file size of an image increases with bit depth because more color information is stored per pixel in an image having higher bit depth. For example: An image with a bit depth of 1 has pixels with two possible values: black and white. An image with a bit depth of 8 has 2 8, or 256, possible values. Grayscale mode images with a bit ... , 10,000 is a difficult number; everything divisible by 72 is easy; if you could choose a size of 10,080, you could just Export it as 72" at 140 PPI or similar (72 x 140 = 36 x 280 = 18 x 560 = 10,080). Edit: You can create the artwork/Artboard at 25" and use a resolution of 400 PPI resulting in 25 x 400 = 10,000 px. Upvote., any source image with more than 8-bits per channel has to be processed as a 16-bits per channel mode image. Since most scanners are capable of capturing at least 12-bits per channel data, Understanding bit depth To understand what the bit depth numbers mean, it is best to begin with a grayscale image where there is just luminosity., Simply put, the file size of an image increases with bit depth because more color information is stored per pixel in an image having higher bit depth. For example: An image with a bit depth of 1 has pixels with two possible values: black and white. An image with a bit depth of 8 has 2 8, or 256, possible values. Grayscale mode images with a bit ..., This document can help you optimize the file size of Adobe Illustrator documents that you save as native Illustrator (AI) files or as PDF files. ... compression is appropriate for black-and-white images and any images scanned with an image depth of 1 bit. Group 4 is a general-purpose method that produces good compression for most …, image file size = pixel count × bit depth. image file size = 307,200 pixels × 24 bits/pixel. image file size = 7,372,800 bits. image file size = 7,372,800 bits × (1 byte / 8 bits) × (1 kilobyte / 1000 bytes) image file size = 921.6 KB (kilobytes) Please note that our calculated image file size is just an estimate of the actual file size of ..., On the one hand, you'll need to get pretty close to the subject, from an inch (2.5cm) to one or two feet (30-50cm) depending on the focal length you use. On the other hand, you'll be using a macro lens (50-60mm, 90-105mm, 150-200mm). Both settings will lead you to get a very shallow depth of field., 16 bit mode for Illustrator. When creating Illustrations with gradients, we can only use 8bits. When imported in Photoshop or After Effects 16bits projects, the gradients stick to this poor 8bits - resulting in banding. Especially when working on normal/displacement maps for 3d materials, 8bits is not enough., Apr 14, 2023 · If you use 4-bit ZIP compression with 4-bit images, or 8-bit ZIP compression with 4-bit or 8-bit images, the ZIP method is lossless. That is, data is not removed to reduce file size, so image quality is not affected. Using 4-bit ZIP compression with 8-bit data can affect the quality, however, because data is lost. , The advantage of 16 bits over 8 bits is when you edit the image. Then you will have bigger "playground" to apply different edits and not finish with negative effects as banding for example.. And yes, it depend on cameras. they can produce 10, 12, 14, 16 bits RAW images which can be converted in to 16 bits image files., Website. www .w3 .org /Graphics /GIF /spec-gif89a .txt. The Graphics Interchange Format ( GIF; / ɡɪf / GHIF or / dʒɪf / JIF, see pronunciation) is a bitmap image format that was developed by a team at the online services provider CompuServe led by American computer scientist Steve Wilhite and released on June 15, 1987. , Apr 14, 2023 · If you use 4-bit ZIP compression with 4-bit images, or 8-bit ZIP compression with 4-bit or 8-bit images, the ZIP method is lossless. That is, data is not removed to reduce file size, so image quality is not affected. Using 4-bit ZIP compression with 8-bit data can affect the quality, however, because data is lost. , How to Set DPI In Illustrator for New Document. To set DPI in Illustrator, go to the top menu, then select File > New. In the New Document dialog box, go to Advanced Options and select High (300 PPI) in the Raster Images drop-down menu. Click the Create button. Here are the detailed steps: Step 1: Open New Document Preset details, It's because the depth of the document is different from something which you are trying to import in it. In simple language, you have to match the colour mode bit, Try changing the setting to lower and higher until you don't …, Click Create New on the Home screen. Choose File > New. Press Command+N (macOS) or Ctrl+N (Windows). Illustrator automatically creates the artboard on the large canvas when dimensions are large. Notice the warning at the bottom of the New document dialog indicating that the specified dimensions are bigger than the default …, , A byte could be more than 8 bits, so an 8-bit word is more precisely called an octet. Also, there are two nibbles in a byte. A nibble is defined as a 4-bit word, which is half of a byte. Bit rate, or throughput, is measured in bits per second (bps), and it is associated with the speed of a signal through a given medium., 1 Answer. An 8-bit audio signal has a theoretical maximum SNR of 48.16 dB. On the face of it, an 8-bit digitization process would increase "noise" by 3 dB (as per Brian Drummond's comment). However, when you take into account the natural "crest factor" for audio, the "noise" problem is worse: -. Image from here., As long as you're aware of bit depths of the files and the implications of converting down to 8 bit - in other words, you know what you're doing - you can just ignore it. It's not a "warning", just information. They can't both be 8 bit if you get that message. You get this if you're pasting a 16 bit file into an 8 bit file or vice versa.