I use alsa's arecord tool to record MP3 audio data from outside and save it in PCM format. However, when I play it after recording, it always plays much faster than the normal file. When I record, I u...
The forum has just opened a TI online class. I failed to register two days ago. I sneaked in this morning to take a look. Hey, I haven't attended a class for a long time...I added my personal informat...
Our company is recruiting several "network protocol engineers". Once hired, the treatment will be favorable. Contact information: HR_HONG@foxmail.com Interested friends, please send your resume to the...
1. I am working on extracting a specified frequency audio signal from noise recently. I want to use a phase-locked loop to do this. I wonder if it can be realized? 2. I am using a CD4046 phase-locked ...
This is a Huawei GRFU 900C multi-carrier base station device, responsible for sending and receiving BBU data through the RF antenna. This is a GSM-era device, which is rarely used now, so I had the op...
I am a junior in college, studying microelectronics. I am working with my teacher on the front-end chip of a Bluetooth receiver, including LNA and mixer. I want to find a few books about the impact of...
While
the solid-state battery
industry is still engaged in a long technological marathon for
the "ultimate solution" for
electric vehicles
, some companies have begun looking for mor...[Details]
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
Tesla and BYD, vying for dominance in the global electric vehicle market, are reportedly considering adopting Samsung's AMOLED (active-matrix organic light-emitting diode) technology for their next...[Details]
Nios II is a configurable 16-/32-bit RISC processor. Combined with a rich set of peripheral-specific instructions and hardware acceleration units, it provides a highly flexible and powerful SOPC sy...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
introduction
With the development of digital and network technologies, broadcasting technology has become increasingly diversified, with the most significant trend being the transition from an...[Details]
As the number of cars increases, environmental pressures are also increasing. At this time, some people are saying that new energy vehicles are energy-efficient and environmentally friendly, and ar...[Details]
Logic analyzers are widely used tools in digital design verification and debugging. They can verify the proper functioning of digital circuits and help users identify and troubleshoot faults. They ...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
A patent disclosed by Ford proposes replacing traditional segmented side curtain airbags with integrated full-width side curtain airbags that span the side of the vehicle and can be deployed simult...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[Details]
With the support and encouragement of national policies, some Internet car manufacturers have also joined the new energy vehicle manufacturing industry. From the perspective of new car manufacturer...[Details]
Consumer demand for premium listening experiences has driven rapid evolution in the wireless headphone market in recent years. Hybrid designs, which utilize two drivers per earbud to enhance sound ...[Details]
The fracture mechanism is stress concentration, which typically occurs at the capacitor lead pins or pad connection points, as shown in the figure. Under vibration, the capacitor lead pins and pad ...[Details]
Batteries are a core component of new energy vehicles, accounting for over 40% of the total cost. This is also the area where automakers are most willing to tamper with costs. Since 2021, domestic ...[Details]