Draw the current audio route
List the streaming device, television, soundbar or receiver and their connections. Google says equipment must support a manually chosen format to avoid problems. An audio-format label in a menu is a choice to evaluate against the actual route, not proof that all connected equipment accepts it. Include the receiver input and television return connection separately when both are used.
For a hypothetical comparison, a player connected directly to a receiver may encounter a different path from one connected to the television and then returned to the receiver. Keep those diagrams distinct instead of describing both simply as HDMI sound.
Use the model’s documented controls
Google places supported-format selection under Display & Sound and Advanced sound settings. The Google TV Streamer-specific output controls have their own location. Read the current page and inspect the options actually offered; do not assume Chromecast with Google TV has every Streamer-only menu.
Record the original choice before testing a manual format. Use a permitted sample whose audio properties are known and keep the volume comfortable. Change one setting at a time so a silent or improved result can be tied to the adjustment.
Compare format and content separately
Verify where sound is heard and whether the connected equipment reports the intended mode. A successful output choice does not make every programme supply that format. Keep the programme’s selected language or accessibility track with the observation.
If asking for help, provide the exact model, settings path, original and changed selection, equipment chain and sample result. Do not select every manual format merely to make more logos appear. Preserve a working fallback while investigating the supported combination rather than turning a format preference into a universal compatibility promise.