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The Audio is Very Choppy and Sounds like a Motorboat on ...
http://kc.flexradio.com/KnowledgebaseArticle50299.aspx#:~:text=If%20using%20the%20M-Audio%20Delta%2044%2C%20make%20sure,2048.%20This%20causes%20problems%20with%20the%20PowerSDR%20Console.
Audiophile 2496 , DMA BUFFER SIZE/Lat... - Recording Forum
https://www.homerecordingconnection.com/forum.php?action=view_thread&id=1789&frm=5
Posted on Mar 26, 2003 01:24 am Roughneck Member Since: Feb 22, 2003. I'm running the M-audio 2496 card and was wondering what DMA BUFFER SIZE/Latency Sample number should be used to record vocals.
What Buffer Size Should I Use on My Audio ... - Listen Inc
https://support.listeninc.com/hc/en-us/articles/208087496-What-Buffer-Size-Should-I-Use-On-My-Audio-Interface-
Choosing a buffer size is dependent on many factors. The CPU, RAM, connection type, interface in use, and simultaneous channels can all affect what buffer size is needed. Increasing the buffer size can help with audio dropouts, crackling, and other performance issues.
Which Buffer Size Setting Should I Use in My DAW? | …
https://www.sweetwater.com/sweetcare/articles/which-buffer-size-setting-should-i-use-in-my-daw/
You can usually raise the buffer size up to 256 samples without detecting much latency in the signal. High buffer size. If you will only be monitoring playback in the mixing stage, raising the buffer size to a higher setting is safe since you are no longer monitoring live signals.
UART FIFO with DMA on STM32 | Stratify Labs
https://blog.stratifylabs.dev/device/2021-12-30-UART-FIFO-with-DMA-on-STM32/
You configure the DMA to match the audio format (16/24/32-bit etc). You then choose a frame buffer size and configure the I2S in circular buffer mode. The STM32 interrupts when the frame buffer is half-full and full. When the DMA is filling the second half, you use the processor to access the first half and vice-versa. The Problem with UART DMA
The Audio is Very Choppy and Sounds like a Motorboat on ...
http://kc.flexradio.com/KnowledgebaseArticle50299.aspx
If using the M-Audio Delta 44, make sure that the DMA Buffer Size on the Hardware Settings Tab of the Delta Control Panel is set correctly to 512 as shown in the Delta 44 Quick Start Guide. Some programs like MixW have been known to change this value to a much higher value like 2048.
What is Direct Memory Access (DMA) and Why …
http://gauss.ececs.uc.edu/Courses/c4029/lectures/dma.pdf
DMA_BIDIRECTIONAL void* is the buffer virtual address, dma_addr_t is the Returned bus address for the device • Free the mapping with this: void dma_unmap_single(struct device*, dma_addr_t, size_t, enum dma_data_direction); Allocating a DMA Buffer
What do DMA buffer sizes mean? | Cakewalk Forums
http://forum.cakewalk.com/What-do-DMA-buffer-sizes-mean-m869738.aspx
I'm asking because after running Wave profiler, my SB16 sound card returns a range of 110 - 140, and on the UCA202 USB device, see my previous post), the DMA Buffer Sizes return a range of 240 - 1920.
I2S: dma_buf_count and dma_buf_len values for ... - ESP32
https://esp32.com/viewtopic.php?t=1988
size: size of the buffer pointed to by buf member length: number of valid data bytes stored into the buffer. For example, if you create a DMA descriptor with 1024 bytes size, and start receiving data using I2S with RX_EOF_NUM set to 128 (samples), then I2S will store only 128 (sampels) * 4 (bytes per sample) = 512 bytes into the DMA buffer, and set the length field …
Cakewalk - Knowledge Base - I'm getting a delay or …
https://www.cakewalk.com/Support/Knowledge-Base/2007013182/Im-getting-a-delay-or-latency-when-recording-or-performing-synths
Go to Edit > Preferences > Audio - Driver Settings (Options > Audio > General in legacy products) Locate the "Buffer Size" slider and adjust it towards the left to Fast; If the Buffer Size slider is grayed out an you cannot adjust it, it is because you are using ASIO drivers.
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